{"schema_version":1,"layer":"air","reviewed_on":"2026-10-28","coverage_note":"Generator counts documented in selected permits, not a complete state or national count. A construction or operation permit does not prove equipment installation, operating hours, measured emissions or a data center opening.","items":[{"id":"air-la-exemption-routes-20261025","kind":"permit_context","state_codes":["la"],"subject":"Louisiana separate air exemption routes and potential emissions","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed.","fields":{"la_air_exemption_routes_basis":{"value":"Agency guidance separates Act547 facility potential exclusion from small source exemption application; exact threshold comparisons differ.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"status":{"value":"program","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"act547_gate":{"value":"Agency Act547description requires facilitywide potential strictly less than5TPY each regulated pollutant, strictly less than15TPY combined and less than MER each toxic pollutant, with federal permit exception. Not measured emissions.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"small_source_gate":{"value":"Separate nonmajor small source route may be applied for at no more than5TPY each regulated pollutant, less than toxic MER, no enforceable conditions necessary and no required public notice. Exactly5 differs from strict Act547gate; application is not approved exemption.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"remaining_duties":{"value":"Agency explains other standards and emissions documentation may remain even where permit not required. No blanket exemption from all air rules.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"portable_aggregation":{"value":"Act547potential for portable sources based on total expected emissions from all sites, not separate emissions evaluation at each site.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"increase_boundary":{"value":"Before increasing facility potential above Act547limits, agency says apply for air permit or appropriate small source exemption. No installation or operation inferred.","source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed."},"issued_permit":{"value":null,"source_ids":["la-air-permit-applicability-20261025"],"locator":"Act547 and Small Source Exemptions sections","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed.","unknown_reason":"No individual permit or exemption determination reviewed."}}},{"id":"air-egrid-state-2023-la","subject":"Louisiana historical2023 electricity-generation emissions","kind":"emissions_context","state_codes":["la"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","fields":{"status":{"value":"historical","source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 Data Year column"},"egrid_report_year":{"value":"2023","source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 YEAR column"},"egrid_state_fips":{"value":"22","source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 FIPSST column"},"egrid_state_basis":{"value":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 labels,codes,units and review scope"},"egrid_annual_net_generation":{"value":97434806.41,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STNGENAN (State annual net generation (MWh))","unit":"MWh","measurement_role":"reported_egrid_annual_net_generation","source_token":"97434806.409999996"},"egrid_annual_nox_emissions":{"value":32219.461,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STNOXAN (State annual NOx emissions (tons))","unit":"tons","measurement_role":"reported_egrid_annual_nox_emissions","source_token":"32219.460999999999"},"egrid_annual_so2_emissions":{"value":9345.947,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STSO2AN (State annual SO2 emissions (tons))","unit":"tons","measurement_role":"reported_egrid_annual_so2_emissions","source_token":"9345.9470000000001"},"egrid_annual_co2_emissions":{"value":37093620.722,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STCO2AN (State annual CO2 emissions (tons))","unit":"tons","measurement_role":"reported_egrid_annual_co2_emissions","source_token":"37093620.722000003"},"egrid_nox_total_output_rate":{"value":0.661,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STNOXRTA (State annual NOx total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_nox_total_output_rate","source_token":"0.66100000000000003"},"egrid_so2_total_output_rate":{"value":0.192,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STSO2RTA (State annual SO2 total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_so2_total_output_rate","source_token":"0.192"},"egrid_co2_total_output_rate":{"value":761.404,"source_ids":["epa-egrid2023-states-rev2"],"scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.","locator":"ST23 LA row 21, STCO2RTA (State annual CO2 total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_co2_total_output_rate","source_token":"761.404"},"egrid_annual_ch4_emissions_lb":{"value":2541730.612,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STCH4AN (State annual CH4 emissions (lbs))","unit":"lbs","measurement_role":"reported_egrid_annual_ch4_emissions","source_token":"2541730.6120000002"},"egrid_annual_co2e_emissions":{"value":37174685.678,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STCO2EQA (State annual CO2 equivalent emissions (tons))","unit":"tons","measurement_role":"reported_egrid_annual_co2e_emissions","source_token":"37174685.678000003"},"egrid_annual_n2o_emissions_lb":{"value":343250.774,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STN2OAN (State annual N2O emissions (lbs))","unit":"lbs","measurement_role":"reported_egrid_annual_n2o_emissions","source_token":"343250.77399999998"},"egrid_ozone_season_nox_total_output_rate":{"value":0.667,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STNOXRTO (State ozone season NOx total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_ozone_season_nox_total_output_rate","source_token":"0.66700000000000004"},"egrid_extended_basis":{"value":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 field labels,report year and annual-versus-ozone-season units"},"egrid_ozone_season_nox_emissions":{"value":15668.926,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STNOXOZ (State ozone season NOx emissions (tons))","unit":"tons","measurement_role":"reported_egrid_ozone_season_nox_emissions","source_token":"15668.925999999999"},"egrid_co2e_total_output_rate":{"value":763.068,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STC2ERTA (State annual CO2 equivalent total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_co2e_total_output_rate","source_token":"763.06799999999998"},"egrid_ch4_total_output_rate":{"value":0.026,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STCH4RTA (State annual CH4 total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_ch4_total_output_rate","source_token":"2.5999999999999999E-2"},"egrid_n2o_total_output_rate":{"value":0.004,"source_ids":["epa-egrid2023-states-rev2"],"scope":"Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.","locator":"ST23 LA row 21, STN2ORTA (State annual N2O total output emission rate (lb/MWh))","unit":"lb per MWh","measurement_role":"reported_egrid_n2o_total_output_rate","source_token":"4.0000000000000001E-3"}}},{"id":"air-eia-state-emissions-2025-la","kind":"emissions_context","subject":"Louisiana historical power and useful thermal emissions2025 and2024","state_codes":["la"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","fields":{"status":{"value":"historical","source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 years2025 and2024"},"eia_emissions_basis":{"value":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 header and methodological notes"},"eia_emissions_co2_2025":{"value":43543.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;co2;Year 2025","source_token":"43,543","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"},"eia_emissions_co2_2024":{"value":41958.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;co2;Year 2024","source_token":"41,958","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"},"eia_emissions_so2_2025":{"value":26.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;so2;Year 2025","source_token":"26","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"},"eia_emissions_so2_2024":{"value":23.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;so2;Year 2024","source_token":"23","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"},"eia_emissions_nox_2025":{"value":51.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;nox;Year 2025","source_token":"51","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"},"eia_emissions_nox_2024":{"value":57.0,"source_ids":["eia-epa2025-state-emissions"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.","locator":"Table9.5 Louisiana row;nox;Year 2024","source_token":"57","unit":"thousand metric tons","measurement_role":"agency_estimated_generation_and_useful_thermal_emissions"}}}],"sources":{"la-air-permit-applicability-20261025":{"url":"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit","title":"Louisiana air permit applicability and exemption routes","publisher":"Louisiana Department of Environmental Quality","published_on":null,"date_note":"Original page date unverified; historical2008Act dates in body separate from check date.","scope":"Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed.","checked_at":"2026-10-25T09:44:16.083772+00:00","sha256":"b3aad0214fc2e3074480914bce302be3c28d0e2a1c5f879e214ad04da061e237","tier":"A","establishes_status":["program"]},"epa-egrid2023-states-rev2":{"url":"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx","title":"EPA eGRID2023 revision2 original workbook ST23 state emissions,generation and total output rates","publisher":"U.S. Environmental Protection Agency","published_on":null,"date_note":"Exact workbook publication day not established;2025-06 path is a storage folder,not an exact publication date.2023 is report year,not retrieval year.","checked_at":"2026-10-27T21:05:24.064631+00:00","sha256":"895cd81dd8662406189ad8adf5a2578dcb362cdb5cff7cca81b10ee6bd2447c6","raw_path":"/Users/shaunwilson/Documents/Data Centers Atlas/build/cache/layers-20261023/epa-egrid2023-data-rev2.bin","tier":"A","scope":"EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Download index identifies eGRID2023 revision2;only workbook metadata/shared strings/ST23 entries read,no whole-archive extraction.","establishes_status":["historical"]},"eia-epa2025-state-emissions":{"url":"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html","publisher":"U.S. Energy Information Administration","title":"Electric Power Annual Table9.5 state power and CHP emissions2025 and2024","published_on":"2026-10-21","checked_at":"2026-10-28T02:40:42.051795+00:00","sha256":"36e6dbf2164041a56f6985a5fcac8357791d95eb82545bfc542aea095c38d5dd","raw_path":"/Users/shaunwilson/Documents/Data Centers Atlas/build/cache/layers-20261023/eia-epa2025-state-emissions-20261028.html","tier":"A","establishes_status":["historical"],"scope":"EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins."}},"details":[{"id":"air-la-exemption-routes-20261025","html":"<article><h3>Louisiana separate air exemption routes and potential emissions</h3><p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed.</p><dl class=\"layer-fields\"><dt>La air exemption routes basis</dt><dd>Agency guidance separates Act547 facility potential exclusion from small source exemption application; exact threshold comparisons differ.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Status</dt><dd>program<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Act547 gate</dt><dd>Agency Act547description requires facilitywide potential strictly less than5TPY each regulated pollutant, strictly less than15TPY combined and less than MER each toxic pollutant, with federal permit exception. Not measured emissions.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Small source gate</dt><dd>Separate nonmajor small source route may be applied for at no more than5TPY each regulated pollutant, less than toxic MER, no enforceable conditions necessary and no required public notice. Exactly5 differs from strict Act547gate; application is not approved exemption.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Remaining duties</dt><dd>Agency explains other standards and emissions documentation may remain even where permit not required. No blanket exemption from all air rules.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Portable aggregation</dt><dd>Act547potential for portable sources based on total expected emissions from all sites, not separate emissions evaluation at each site.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Increase boundary</dt><dd>Before increasing facility potential above Act547limits, agency says apply for air permit or appropriate small source exemption. No installation or operation inferred.<span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd><dt>Issued permit</dt><dd><span class=\"layer-empty\">Not established</span><span class=\"layer-source\"><a href=\"https://www.deq.louisiana.gov/page/do-i-need-an-air-permit\">Louisiana Department of Environmental Quality</a>. Source: Publication date not stated. Checked: October 25, 2026.</span> <p class=\"layer-scope\">Whole substantive agency applicability page reviewed; linked current rules, toxic MER table, case specific insignificant procedure and individual permits not independently reviewed. Locator: Act547 and Small Source Exemptions sections.</p></dd></dl></article>"},{"id":"air-egrid-state-2023-la","html":"<article><h3>Louisiana historical2023 electricity-generation emissions</h3><p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.</p><dl class=\"layer-fields\"><dt>Status</dt><dd>historical<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 Data Year column.</p></dd><dt>Egrid report year</dt><dd>2023<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 YEAR column.</p></dd><dt>Egrid state fips</dt><dd>22<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 FIPSST column.</p></dd><dt>Egrid state basis</dt><dd>EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence.<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 labels,codes,units and review scope.</p></dd><dt>Egrid annual net generation</dt><dd>97434806.41 MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STNGENAN (State annual net generation (MWh)).</p></dd><dt>Egrid annual nox emissions</dt><dd>32219.46 tons<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STNOXAN (State annual NOx emissions (tons)).</p></dd><dt>Egrid annual so2 emissions</dt><dd>9345.95 tons<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STSO2AN (State annual SO2 emissions (tons)).</p></dd><dt>Egrid annual co2 emissions</dt><dd>37093620.72 tons<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STCO2AN (State annual CO2 emissions (tons)).</p></dd><dt>Egrid nox total output rate</dt><dd>0.66 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STNOXRTA (State annual NOx total output emission rate (lb/MWh)).</p></dd><dt>Egrid so2 total output rate</dt><dd>0.19 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STSO2RTA (State annual SO2 total output emission rate (lb/MWh)).</p></dd><dt>Egrid co2 total output rate</dt><dd>761.40 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">EPA eGRID2023 revision2 state electricity-generation emissions context,ST23 worksheet. Historical2023,not current2026 conditions or data center facility emissions. Annual NOx,SO2 andCO2 totals in source tons are distinct from source-reported total output rates in lb/MWh;CO2 is not CO2 equivalent. Annual net generation is MWh,not installed capacity or customer use. Rates are not marginal emissions,ambient concentrations,health effects or emissions factors allocated to a data center. No tons-to-tonnes conversion,rate recomputation,facility join or causal data center inference. State generation context does not establish the mix delivered to consumers. Puerto Rico source row is outside this51state/DC review,not absence. Locator: ST23 LA row 21, STCO2RTA (State annual CO2 total output emission rate (lb/MWh)).</p></dd><dt>Egrid annual ch4 emissions lb</dt><dd>2541730.61 lbs<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STCH4AN (State annual CH4 emissions (lbs)).</p></dd><dt>Egrid annual co2e emissions</dt><dd>37174685.68 tons<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STCO2EQA (State annual CO2 equivalent emissions (tons)).</p></dd><dt>Egrid annual n2o emissions lb</dt><dd>343250.77 lbs<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STN2OAN (State annual N2O emissions (lbs)).</p></dd><dt>Egrid ozone season nox total output rate</dt><dd>0.67 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STNOXRTO (State ozone season NOx total output emission rate (lb/MWh)).</p></dd><dt>Egrid extended basis</dt><dd>Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference.<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 field labels,report year and annual-versus-ozone-season units.</p></dd><dt>Egrid ozone season nox emissions</dt><dd>15668.93 tons<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STNOXOZ (State ozone season NOx emissions (tons)).</p></dd><dt>Egrid co2e total output rate</dt><dd>763.07 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STC2ERTA (State annual CO2 equivalent total output emission rate (lb/MWh)).</p></dd><dt>Egrid ch4 total output rate</dt><dd>0.03 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STCH4RTA (State annual CH4 total output emission rate (lb/MWh)).</p></dd><dt>Egrid n2o total output rate</dt><dd>0.00 lb per MWh<span class=\"layer-source\"><a href=\"https://www.epa.gov/system/files/documents/2025-06/egrid2023_data_rev2.xlsx\">U.S. Environmental Protection Agency</a>. Source: Publication date not stated. Checked: October 27, 2026.</span> <p class=\"layer-scope\">Historical2023 EPA eGRID ST23 source-reported CH4,N2O,CO2 equivalent and ozone-season NOx context. Annual CH4/N2O totals are source lbs;CO2 equivalent total is source tons;total output rates are lb/MWh. CO2 equivalent differs from raw CO2; no global-warming-potential factor assumed or recomputed,no pounds/tons/metric-tonne conversion. Source-defined ozone-season NOx is not full-year NOx or an ambient ozone concentration. Annual and seasonal rates and totals remain separate,not summed across scopes. No marginal,facility,health-risk or attributable data center emissions inference. Locator: ST23 LA row 21, STN2ORTA (State annual N2O total output emission rate (lb/MWh)).</p></dd></dl></article>"},{"id":"air-eia-state-emissions-2025-la","html":"<article><h3>Louisiana historical power and useful thermal emissions2025 and2024</h3><p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.</p><dl class=\"layer-fields\"><dt>Status</dt><dd>historical<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 years2025 and2024.</p></dd><dt>Eia emissions basis</dt><dd>EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins.<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 header and methodological notes.</p></dd><dt>Eia emissions co2 2025</dt><dd>43543.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;co2;Year 2025.</p></dd><dt>Eia emissions co2 2024</dt><dd>41958.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;co2;Year 2024.</p></dd><dt>Eia emissions so2 2025</dt><dd>26.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;so2;Year 2025.</p></dd><dt>Eia emissions so2 2024</dt><dd>23.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;so2;Year 2024.</p></dd><dt>Eia emissions nox 2025</dt><dd>51.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;nox;Year 2025.</p></dd><dt>Eia emissions nox 2024</dt><dd>57.00 thousand metric tons<span class=\"layer-source\"><a href=\"https://www.eia.gov/electricity/annual/table.php?t=epa_09_05.html\">U.S. Energy Information Administration</a>. Source: October 21, 2026. Checked: October 28, 2026.</span> <p class=\"layer-scope\">EIA Table9.5 historical state2025 and2024 emissions estimates from energy consumption at conventional power and combined-heat-and-power plants. Includes electricity generation AND production of useful thermal output,not electricity-only emissions. Source unit is thousand metric tons,not eGRID source tons,pounds,CO2equivalent or emission intensity. Source CO2,SO2 and NOx are distinct pollutants,not summed as one climate measure. Displayed zero values may represent small values rounded to zero;no absence or zero-emissions certification. Retain displayed HTML precision;source says Excel cells provide additional precision,not adopted here. No direct eGRID trend or data center allocation,marginal emissions,ambient concentration,health risk,permit compliance,current2026 activity or Native facility joins. Locator: Table9.5 Louisiana row;nox;Year 2024.</p></dd></dl></article>"}]}