{"state":"va","name":"Herndon, Virginia","updated":"2026-10-25","checked":"2026-10-15","bounds":[-77.42666,38.922193,-77.322595,39.00244],"stats":{"reviewed_records":2,"status_confirmed":2,"status_unknown":0,"mapped_records":2},"coverage":{"scope":"Records retain this city or place label in the Atlas sources. The map keeps each record's own location limits. A shared city label does not establish a municipal boundary, parcel jurisdiction or a complete list of operating buildings.","meaning":"Exact subset of compiled source records with the retained city label. No citywide review or physical census is inferred."},"status_labels":{"operating":"Operating","building":"Under construction","approved":"Approved","proposed":"Proposed","paused":"Paused","stopped":"Denied, withdrawn or closed","unknown":"Status unclear","unconfirmed":"Unconfirmed lead"},"precision_labels":{"exact":"Mapped to the published site","address":"Matched to the published street address","approximate":"Approximate location, not the exact parcel","county":"Exact site not published; shown at county level"},"records":[{"id":"h5-herndon-springpark-va","state":"va","kind":"facility","name":"H5 Herndon Springpark campus","group":"operating","status":"Operating phase","crypto":false,"type":"Colocation (operator description)","counties":["Fairfax"],"city":"Herndon","address":"480 Springpark Pl, Herndon, VA 20170","who":"H5 Data Centers","mw":null,"power":"","power_note":"","investment":"","jobs":"","acres":null,"utility":"","water":"","incentives":"","note":"H5 Herndon campus at 470 and 480 Springpark Place; DEQ registration references 470. The two street numbers describe a campus, not evidence for two separate sites. The 15 critical MW accommodation claim is not a metered reading or confirmation that all potential capacity is installed.","date":"","events":[],"timeline":[],"opened":"","tier":"","sources":[{"url":"https://h5datacenters.com/herndon-data-center.html","host":"h5datacenters.com","published":"","date":"","checked":"2026-10-15","label":"Reviewed operator source"},{"url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000","host":"gisdata.deq.virginia.gov","published":"","date":"","checked":"2026-10-15","label":"Virginia DEQ air-site registry"}],"loc":{"lat":38.96244,"lng":-77.37666,"precision":"approximate","basis":"Virginia DEQ air-site map point for the general area; no parcel or building center was independently verified","source_url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000"},"manual_source_reviewed":true,"whole_record_certified":false,"field_evidence_present":true,"inventory_label_retained":false,"precision_label":"Approximate location, not the exact parcel","summary":"Fairfax County · Virginia DEQ registration 73170","reviewed_evidence":[{"overlay":"S2-Virginia-DEQ-20261015","scope":"H5 Herndon campus at 470 and 480 Springpark Place; DEQ registration references 470.","fields":{"agency_registration_number":"73170","agency_air_operational_status":"Operating","agency_registered_address":"470 Spring Park Pl Ste 1000, Herndon, VA, 20170","agency_principal_product":"Internet Web Hosting","published_address":"480 Springpark Pl, Herndon, VA 20170","current_status":"partly operating","operator_advertised_accommodation_critical_mw":15},"notes":["The two street numbers describe a campus, not evidence for two separate sites. The 15 critical MW accommodation claim is not a metered reading or confirmation that all potential capacity is installed.","The DEQ dataset warns of source errors, collection-scale and currency limits. A registration operational classification is separate from an issued permit, whole-campus completion and parcel precision."],"sources":[{"url":"https://h5datacenters.com/herndon-data-center.html","host":"h5datacenters.com","published":"","date":"","checked":"2026-10-15","label":"Reviewed operator source"},{"url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000","host":"gisdata.deq.virginia.gov","published":"","date":"","checked":"2026-10-15","label":"Virginia DEQ air-site registry"}],"checked":"2026-10-15","whole_record_certified":false},{"overlay":"Company role source check56, October24,2026","scope":"H5 Data Centers identifies this named Herndon site or retained campus in the main body of its own location page. The relationship records the H5 Data Centers provider brand only. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Existing status, location, address, county, quantities, dates and component identity remain exact. Advertised capacity, utility availability, prices, renewable supply, certification, performance, security and environmental marketing are not independently verified measurements, legal title or environmental outcomes. Public cloud connectivity does not identify every tenant or a different operator. Customer testimonials and their names are not retained as research claims. The source publication date is unknown. The main body identifies a campus at470and480SpringparkPlace while the contact block uses480. The existing combined campus record remains combined; no roof or building is selected and the advertised campus power is not per building.","fields":{"company_association":{"name":"H5 Data Centers","role":"operator","identity_scope":"provider_brand_only","scope":"H5 Data Centers identifies this named Herndon site or retained campus in the main body of its own location page. The relationship records the H5 Data Centers provider brand only. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Existing status, location, address, county, quantities, dates and component identity remain exact. Advertised capacity, utility availability, prices, renewable supply, certification, performance, security and environmental marketing are not independently verified measurements, legal title or environmental outcomes. Public cloud connectivity does not identify every tenant or a different operator. Customer testimonials and their names are not retained as research claims. The source publication date is unknown. The main body identifies a campus at470and480SpringparkPlace while the contact block uses480. The existing combined campus record remains combined; no roof or building is selected and the advertised campus power is not per building."},"provider_role":"operator"},"notes":["H5 Data Centers identifies this named Herndon site or retained campus in the main body of its own location page. The relationship records the H5 Data Centers provider brand only. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Existing status, location, address, county, quantities, dates and component identity remain exact. Advertised capacity, utility availability, prices, renewable supply, certification, performance, security and environmental marketing are not independently verified measurements, legal title or environmental outcomes. Public cloud connectivity does not identify every tenant or a different operator. Customer testimonials and their names are not retained as research claims. The source publication date is unknown. The main body identifies a campus at470and480SpringparkPlace while the contact block uses480. The existing combined campus record remains combined; no roof or building is selected and the advertised campus power is not per building."],"sources":[{"url":"https://h5datacenters.com/herndon-data-center.html","host":"h5datacenters.com","published":"","date":"","checked":"2026-10-24","label":"Reviewed operator source"}],"checked":"2026-10-24","whole_record_certified":false}],"raw_status":"partly operating","status_field":"current_status","status_scope":"H5 Herndon campus at 470 and 480 Springpark Place; DEQ registration references 470."},{"id":"smithsonian-herndon-va","state":"va","kind":"facility","name":"Smithsonian Herndon data center","group":"operating","status":"Agency-listed operating","crypto":false,"type":"Data center (agency classification)","counties":["Fairfax"],"city":"Herndon","address":"380 Herndon Pky, Herndon, VA, 20170","who":"","mw":null,"power":"","power_note":"","investment":"","jobs":"","acres":null,"utility":"","water":"","incentives":"","note":"Agency-designated Smithsonian Herndon data-center air registration. DEQ labels both principal product and source description Data Center and reports the air site as Operating. This is an agency-listed research record; no operator survey, legal ownership, capacity or parcel confirmation is asserted.","date":"","events":[],"timeline":[],"opened":"","tier":"","sources":[{"url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000","host":"gisdata.deq.virginia.gov","published":"","date":"","checked":"2026-10-15","label":"Virginia DEQ air-site registry"},{"url":"https://echodata.epa.gov/echo/echo_rest_services.get_facilities?p_ncs=518210&output=JSON&responseset=1000&tablelist=Y&maplist=N&summarylist=Y&qcolumns=1%2C2%2C3%2C4%2C5%2C6%2C7%2C17%2C15%2C19%2C20%2C21%2C23%2C24%2C32%2C97%2C88%2C89%2C90%2C93%2C144%2C106%2C108%2C100","host":"echodata.epa.gov","published":"","date":"","checked":"2026-10-15","label":"Reviewed government record"}],"loc":{"lat":38.962193,"lng":-77.372595,"precision":"approximate","basis":"Virginia DEQ air-site map point for the general area; no parcel or building center was independently verified","source_url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000"},"manual_source_reviewed":true,"whole_record_certified":false,"field_evidence_present":true,"inventory_label_retained":false,"precision_label":"Approximate location, not the exact parcel","summary":"Fairfax County · Virginia DEQ registration 74039","reviewed_evidence":[{"overlay":"S2-Virginia-DEQ-20261015","scope":"Agency-designated Smithsonian Herndon data-center air registration.","fields":{"agency_registration_number":"74039","agency_air_operational_status":"Operating","agency_registered_address":"380 Herndon Pky, Herndon, VA, 20170","agency_principal_product":"Data Center","current_status":"operating","epa_frs_registry_id":"110055610101","identity_link_basis":"Exact federal air-system identifier matches DEQ registration: VA0000005105901122"},"notes":["DEQ labels both principal product and source description Data Center and reports the air site as Operating. This is an agency-listed research record; no operator survey, legal ownership, capacity or parcel confirmation is asserted.","The DEQ dataset warns of source errors, collection-scale and currency limits. A registration operational classification is separate from an issued permit, whole-campus completion and parcel precision."],"sources":[{"url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000","host":"gisdata.deq.virginia.gov","published":"","date":"","checked":"2026-10-15","label":"Virginia DEQ air-site registry"},{"url":"https://echodata.epa.gov/echo/echo_rest_services.get_facilities?p_ncs=518210&output=JSON&responseset=1000&tablelist=Y&maplist=N&summarylist=Y&qcolumns=1%2C2%2C3%2C4%2C5%2C6%2C7%2C17%2C15%2C19%2C20%2C21%2C23%2C24%2C32%2C97%2C88%2C89%2C90%2C93%2C144%2C106%2C108%2C100","host":"echodata.epa.gov","published":"","date":"","checked":"2026-10-15","label":"Reviewed government record"}],"checked":"2026-10-15","whole_record_certified":false}],"raw_status":"operating","status_field":"current_status"}],"county_rules":{},"attribution":{"inventory":{"name":"Compute Atlas","creator":"Edward Kubiak","url":"https://www.compute-atlas.com/api","license":"CC BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","snapshot_url":"https://www.compute-atlas.com/api/facilities","retrieved":"2026-10-14","sha256":"79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37","changes":"Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally."},"counties":"U.S. Census Bureau county boundaries (public domain)","research":"Field-specific source context. See the linked source and limits on each record."},"geography":{"vintage":"2025-01-01","source":"https://tigerweb.geo.census.gov/arcgis/rest/services/Generalized_ACS2025/State_County/MapServer/12","source_capture_sha256":"cda691cfd3505bf7a39c1be4e7df197f80f2b53a2b9701cff8a486b004b43abe","scale":"1:5,000,000","meaning":"Generalized 1:5,000,000 display boundaries, not parcel or cadastral geometry","records":{"h5-herndon-springpark-va":{"fips":["51059"],"method":"point_disambiguation","point_context_conflict":false,"legacy_area_unmatched":false,"note":"County and independent-city names overlap. The mapped point provides area context only; the exact jurisdiction still needs source review."},"smithsonian-herndon-va":{"fips":["51059"],"method":"point_disambiguation","point_context_conflict":false,"legacy_area_unmatched":false,"note":"County and independent-city names overlap. The mapped point provides area context only; the exact jurisdiction still needs source review."}}},"geography_areas":[{"name":"Fairfax County","base_name":"Fairfax","fips":"51059","kind":"County"}],"state_legislation":{"review_scope":"partial_primary_review","latest_scoped_check":"2026-10-15","coverage_note":"Selected bill histories and enacted texts reviewed; this is not a complete state legislative inventory or a review of site compliance.","bill_records":5,"enacted_measures":4,"enacted_policy_groups":3,"failed_proposals":1,"bills":[{"id":"legislation:va:20261:hb153","state":"va","bill_id":"HB153","session":"2026 Regular Session","topics":["siting","noise","water","utility_disclosure"],"status":"enacted","effective_on":"2026-07-01","title":"High-energy facility site assessments","summary":"For new high-energy-use facilities anticipating at least 100 MW of retail utility power, covered local siting approvals require an applicant sound assessment for residences and schools within 500 feet of the property boundary, subject to the act’s practicability and timing provisions. The serving utility must provide specified substation and transmission-voltage information to the extent known and practicable.","applicability":"The threshold concerns utility power, not IT capacity. Localities may request additional water and other resource assessment. Local zoning and State Corporation Commission authority remain distinct. An exception covers specified previously approved expansions; read the enacted text and approval history before applying it to a project.","policy_group_id":"va:20261:site-assessments","policy_type":"siting_assessment_requirement","companion_bill_ids":["SB94"],"enacted_on":"2026-04-13","disposition_on":"2026-04-13","reviewed_on":"2026-10-15","chapter":"567","review_scope":"partial_primary_review","bill_url":"https://lis.virginia.gov/bill-details/20261/HB153","text_url":"https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567","report_due_on":null,"field_sources":{"state":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"bill_id":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"session":["https://lis.virginia.gov/bill-details/20261/HB153"],"topics":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"status":["https://lis.virginia.gov/bill-details/20261/HB153"],"effective_on":["https://lis.virginia.gov/bill-details/20261/HB153"],"title":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"summary":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"applicability":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"policy_group_id":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"policy_type":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"companion_bill_ids":["https://lis.virginia.gov/bill-details/20261/HB153"],"enacted_on":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"disposition_on":["https://lis.virginia.gov/bill-details/20261/HB153"],"reviewed_on":["https://lis.virginia.gov/bill-details/20261/HB153"],"chapter":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"review_scope":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"bill_url":["https://lis.virginia.gov/bill-details/20261/HB153"],"text_url":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"],"report_due_on":["https://lis.virginia.gov/bill-details/20261/HB153/text/CHAP0567"]},"field_confidence":{"state":"primary_record","bill_id":"primary_record","session":"primary_record","topics":"inference","status":"primary_record","effective_on":"primary_record","title":"primary_record","summary":"primary_record","applicability":"inference","policy_group_id":"inference","policy_type":"inference","companion_bill_ids":"primary_record","enacted_on":"primary_record","disposition_on":"primary_record","reviewed_on":"primary_record","chapter":"primary_record","review_scope":"inference","bill_url":"primary_record","text_url":"primary_record","report_due_on":"primary_record"}},{"id":"legislation:va:20261:hb323","state":"va","bill_id":"HB323","session":"2026 Regular Session","topics":["waste_heat","study","reporting"],"status":"enacted","effective_on":"2026-07-01","title":"Waste-heat reuse study and work group","summary":"Directs the Department of Energy to identify opportunities for data-center waste-heat reuse, assess practices and infrastructure costs, develop recommendations, and convene a work group. A report to the named legislative committee chairs was due September 1, 2026.","applicability":"This is an agency research and reporting directive. It does not require every data center to deliver reused heat. Report completion has not been verified; an elapsed deadline alone does not establish a missed report or project noncompliance.","policy_group_id":"va:20261:waste-heat-study","policy_type":"agency_study_directive","companion_bill_ids":[],"enacted_on":"2026-04-13","disposition_on":"2026-04-13","reviewed_on":"2026-10-15","chapter":"591","review_scope":"partial_primary_review","bill_url":"https://lis.virginia.gov/bill-details/20261/HB323","text_url":"https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591","report_due_on":"2026-09-01","field_sources":{"state":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"bill_id":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"session":["https://lis.virginia.gov/bill-details/20261/HB323"],"topics":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"status":["https://lis.virginia.gov/bill-details/20261/HB323"],"effective_on":["https://lis.virginia.gov/bill-details/20261/HB323"],"title":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"summary":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"applicability":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"policy_group_id":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"policy_type":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"companion_bill_ids":["https://lis.virginia.gov/bill-details/20261/HB323"],"enacted_on":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"disposition_on":["https://lis.virginia.gov/bill-details/20261/HB323"],"reviewed_on":["https://lis.virginia.gov/bill-details/20261/HB323"],"chapter":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"review_scope":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"bill_url":["https://lis.virginia.gov/bill-details/20261/HB323"],"text_url":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"],"report_due_on":["https://lis.virginia.gov/bill-details/20261/HB323/text/CHAP0591"]},"field_confidence":{"state":"primary_record","bill_id":"primary_record","session":"primary_record","topics":"inference","status":"primary_record","effective_on":"primary_record","title":"primary_record","summary":"primary_record","applicability":"inference","policy_group_id":"inference","policy_type":"inference","companion_bill_ids":"primary_record","enacted_on":"primary_record","disposition_on":"primary_record","reviewed_on":"primary_record","chapter":"primary_record","review_scope":"inference","bill_url":"primary_record","text_url":"primary_record","report_due_on":"primary_record"}},{"id":"legislation:va:20261:hb507","state":"va","bill_id":"HB507","session":"2026 Regular Session","topics":["air_permits","backup_generation","emissions"],"status":"enacted","effective_on":"2026-07-01","title":"Generator-emissions limits for new permit applications","summary":"For covered data-center air-permit applications submitted on or after July 1, 2026, including general-permit coverage, DEQ may issue the permit only if each gen-set’s permit emission limit is no greater than emissions achieved by the act’s defined Tier 4 equivalent.","applicability":"Application submission date matters. Tier 4 equivalent has specified pollution-control definitions; the act preserves other applicable standards and more stringent limits. This is not evidence that an existing site retrofitted its generators or that a particular permit satisfies the rule.","policy_group_id":"va:20261:generator-emissions","policy_type":"emissions_permit_requirement","companion_bill_ids":[],"enacted_on":"2026-04-08","disposition_on":"2026-04-08","reviewed_on":"2026-10-15","chapter":"397","review_scope":"partial_primary_review","bill_url":"https://lis.virginia.gov/bill-details/20261/HB507","text_url":"https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397","report_due_on":null,"field_sources":{"state":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"bill_id":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"session":["https://lis.virginia.gov/bill-details/20261/HB507"],"topics":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"status":["https://lis.virginia.gov/bill-details/20261/HB507"],"effective_on":["https://lis.virginia.gov/bill-details/20261/HB507"],"title":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"summary":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"applicability":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"policy_group_id":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"policy_type":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"companion_bill_ids":["https://lis.virginia.gov/bill-details/20261/HB507"],"enacted_on":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"disposition_on":["https://lis.virginia.gov/bill-details/20261/HB507"],"reviewed_on":["https://lis.virginia.gov/bill-details/20261/HB507"],"chapter":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"review_scope":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"bill_url":["https://lis.virginia.gov/bill-details/20261/HB507"],"text_url":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"],"report_due_on":["https://lis.virginia.gov/bill-details/20261/HB507/text/CHAP0397"]},"field_confidence":{"state":"primary_record","bill_id":"primary_record","session":"primary_record","topics":"inference","status":"primary_record","effective_on":"primary_record","title":"primary_record","summary":"primary_record","applicability":"inference","policy_group_id":"inference","policy_type":"inference","companion_bill_ids":"primary_record","enacted_on":"primary_record","disposition_on":"primary_record","reviewed_on":"primary_record","chapter":"primary_record","review_scope":"inference","bill_url":"primary_record","text_url":"primary_record","report_due_on":"primary_record"}},{"id":"legislation:va:20261:hb658","state":"va","bill_id":"HB658","session":"2026 Regular Session","topics":["electricity_costs","cost_allocation"],"status":"failed","effective_on":null,"title":"Electric utility cost-allocation proceedings","summary":"Proposed SCC proceedings to examine whether other customer classes subsidize data-center transmission costs for Dominion Energy and Appalachian Power, plus generation and distribution costs for Dominion. The official history marks the bill failed after it was left in House Labor and Commerce on February 18, 2026.","applicability":"This proposal was not enacted and supplies no effective date or new requirement. Its failure does not determine what other laws, tariffs or SCC proceedings require.","policy_group_id":"va:20261:cost-allocation-proposal","policy_type":"cost_allocation_proposal","companion_bill_ids":[],"enacted_on":null,"disposition_on":"2026-02-18","reviewed_on":"2026-10-15","chapter":null,"review_scope":"partial_primary_review","bill_url":"https://lis.virginia.gov/bill-details/20261/HB658","text_url":null,"report_due_on":null,"field_sources":{"state":["https://lis.virginia.gov/bill-details/20261/HB658"],"bill_id":["https://lis.virginia.gov/bill-details/20261/HB658"],"session":["https://lis.virginia.gov/bill-details/20261/HB658"],"topics":["https://lis.virginia.gov/bill-details/20261/HB658"],"status":["https://lis.virginia.gov/bill-details/20261/HB658"],"effective_on":["https://lis.virginia.gov/bill-details/20261/HB658"],"title":["https://lis.virginia.gov/bill-details/20261/HB658"],"summary":["https://lis.virginia.gov/bill-details/20261/HB658"],"applicability":["https://lis.virginia.gov/bill-details/20261/HB658"],"policy_group_id":["https://lis.virginia.gov/bill-details/20261/HB658"],"policy_type":["https://lis.virginia.gov/bill-details/20261/HB658"],"companion_bill_ids":["https://lis.virginia.gov/bill-details/20261/HB658"],"enacted_on":["https://lis.virginia.gov/bill-details/20261/HB658"],"disposition_on":["https://lis.virginia.gov/bill-details/20261/HB658"],"reviewed_on":["https://lis.virginia.gov/bill-details/20261/HB658"],"chapter":["https://lis.virginia.gov/bill-details/20261/HB658"],"review_scope":["https://lis.virginia.gov/bill-details/20261/HB658"],"bill_url":["https://lis.virginia.gov/bill-details/20261/HB658"],"text_url":["https://lis.virginia.gov/bill-details/20261/HB658"],"report_due_on":["https://lis.virginia.gov/bill-details/20261/HB658"]},"field_confidence":{"state":"primary_record","bill_id":"primary_record","session":"primary_record","topics":"inference","status":"primary_record","effective_on":"primary_record","title":"primary_record","summary":"primary_record","applicability":"inference","policy_group_id":"inference","policy_type":"inference","companion_bill_ids":"primary_record","enacted_on":"primary_record","disposition_on":"primary_record","reviewed_on":"primary_record","chapter":"primary_record","review_scope":"inference","bill_url":"primary_record","text_url":"primary_record","report_due_on":"primary_record"}},{"id":"legislation:va:20261:sb94","state":"va","bill_id":"SB94","session":"2026 Regular Session","topics":["siting","noise","water","utility_disclosure"],"status":"enacted","effective_on":"2026-07-01","title":"High-energy facility site assessments","summary":"For new high-energy-use facilities anticipating at least 100 MW of retail utility power, covered local siting approvals require an applicant sound assessment for residences and schools within 500 feet of the property boundary, subject to the act’s practicability and timing provisions. The serving utility must provide specified substation and transmission-voltage information to the extent known and practicable.","applicability":"The threshold concerns utility power, not IT capacity. Localities may request additional water and other resource assessment. Local zoning and State Corporation Commission authority remain distinct. An exception covers specified previously approved expansions; read the enacted text and approval history before applying it to a project.","policy_group_id":"va:20261:site-assessments","policy_type":"siting_assessment_requirement","companion_bill_ids":["HB153"],"enacted_on":"2026-04-13","disposition_on":"2026-04-13","reviewed_on":"2026-10-15","chapter":"568","review_scope":"partial_primary_review","bill_url":"https://lis.virginia.gov/bill-details/20261/SB94","text_url":"https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568","report_due_on":null,"field_sources":{"state":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"bill_id":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"session":["https://lis.virginia.gov/bill-details/20261/SB94"],"topics":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"status":["https://lis.virginia.gov/bill-details/20261/SB94"],"effective_on":["https://lis.virginia.gov/bill-details/20261/SB94"],"title":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"summary":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"applicability":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"policy_group_id":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"policy_type":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"companion_bill_ids":["https://lis.virginia.gov/bill-details/20261/SB94"],"enacted_on":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"disposition_on":["https://lis.virginia.gov/bill-details/20261/SB94"],"reviewed_on":["https://lis.virginia.gov/bill-details/20261/SB94"],"chapter":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"review_scope":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"bill_url":["https://lis.virginia.gov/bill-details/20261/SB94"],"text_url":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"],"report_due_on":["https://lis.virginia.gov/bill-details/20261/SB94/text/CHAP0568"]},"field_confidence":{"state":"primary_record","bill_id":"primary_record","session":"primary_record","topics":"inference","status":"primary_record","effective_on":"primary_record","title":"primary_record","summary":"primary_record","applicability":"inference","policy_group_id":"inference","policy_type":"inference","companion_bill_ids":"primary_record","enacted_on":"primary_record","disposition_on":"primary_record","reviewed_on":"primary_record","chapter":"primary_record","review_scope":"inference","bill_url":"primary_record","text_url":"primary_record","report_due_on":"primary_record"}}]},"county_rule_reviews":[{"id":"local-rule:county-review:20261017:51059","jurisdiction":{"state":"VA","county_fips":"51059","municipality":null},"rule_type":"county_research_review","status":"policy_context_found","effective_on":null,"expires_on":null,"legacy_rule":null,"rule_reference":"Fairfax County","adopted_on":null,"conditions":["The county reports adoption of its data-center zoning amendment on September 10, 2024. Its overview describes noise, screening, design and setback standards, with by-right use in I-5 and I-6 only when the applicable standards are met, and special-exception review in other cases.","Fairfax County is separate from the independent City of Fairfax. General overviews do not establish a particular parcel permission or compliance. Later substation standards are a separate subject. Conflicting state bill numbers on the overview are not adopted as state legislation here."],"scope":"Bounded source review, not an enacted legal instrument. County association does not establish the governing parcel jurisdiction. This review has no legal effective or expiry date; dates of underlying actions are described separately.","label":"Policy context found","checked_on":"2026-10-17","sources":[{"url":"https://www.fairfaxcounty.gov/topics/data-centers","publisher":"Fairfax County government","source_type":"government_record","published_on":null,"retrieved_on":"2026-10-17","archive_sha256":"044f9e4e23f8c71ab7942d28cff168e10669fd6b043ce1a1d519ef824710f474","capture_format":"raw_response_bytes"},{"url":"https://www.fairfaxcounty.gov/board-supervisors-approves-new-data-center-zoning-ordinance-amendment","publisher":"Fairfax County government","source_type":"government_record","published_on":null,"retrieved_on":"2026-10-17","archive_sha256":"bd619e8ba4b85b5dedab62234183297142fc7732b0831e5262698e55a0f71654","capture_format":"raw_response_bytes"},{"url":"https://www.fairfaxcounty.gov/planning-development/data-centers","publisher":"Fairfax County government","source_type":"government_record","published_on":null,"retrieved_on":"2026-10-17","archive_sha256":"b47b8ce35ce63a25d797cd6f7d100d207f11e06174684bfb5f0d0a124b43574b","capture_format":"raw_response_bytes"}]}],"stage_timelines":{},"location_display_policy":{"id":"reviewed-map-references-2026-10-23","counts":{"withheld_unreviewed_point":77,"retained_reviewed_reference":39,"no_site_point":6,"county_display":83},"scope":"Reviewed location references are mapped as site dots. 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A shared city label does not establish a municipal boundary, parcel jurisdiction or a complete list of operating buildings.","page_created_on":"2026-10-23","city_timeline":[{"id":"event:status:va-deq-20261015-74039","subject_id":"site:smithsonian-herndon-va","event_type":"status_observation","occurred_on":null,"observed_on":"2026-10-15","qualifies_status":true,"status_group":"operating","status_label":"Agency-listed operating","scope":"Agency-designated Smithsonian Herndon data-center air registration.","display_category":"source_check","display_date":"2026-10-15","sources":[{"url":"https://gisdata.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_DATA_CENTER_YN%3D%27Y%27&f=json&outFields=%2A&outSR=4326&returnGeometry=true&orderByFields=OBJECTID&resultRecordCount=1000","publisher":"Virginia Department of Environmental Quality","source_type":"government_record","retrieved_on":"2026-10-15"}],"field_sources":{"subject_id":["source:2ec755e733e97719edf7d693"],"event_type":["source:2ec755e733e97719edf7d693"],"occurred_on":["source:2ec755e733e97719edf7d693"],"observed_on":["source:2ec755e733e97719edf7d693"],"qualifies_status":["source:2ec755e733e97719edf7d693"],"status_group":["source:2ec755e733e97719edf7d693"],"status_label":["source:2ec755e733e97719edf7d693"],"scope":["source:2ec755e733e97719edf7d693"]},"field_confidence":{"subject_id":"primary_record","event_type":"primary_record","occurred_on":"primary_record","observed_on":"primary_record","qualifies_status":"primary_record","status_group":"primary_record","status_label":"primary_record","scope":"primary_record"}},{"id":"event:status:va-deq-20261015-73170","subject_id":"site:h5-herndon-springpark-va","event_type":"status_observation","occurred_on":null,"observed_on":"2026-10-15","qualifies_status":true,"status_group":"operating","status_label":"Operating phase","scope":"H5 Herndon campus at 470 and 480 Springpark Place; DEQ registration references 470.","display_category":"source_check","display_date":"2026-10-15","sources":[{"url":"https://h5datacenters.com/herndon-data-center.html","publisher":"h5datacenters.com","source_type":"company_page","retrieved_on":"2026-10-15"}],"field_sources":{"subject_id":["source:6bca0c760ead9993fbd32a42"],"event_type":["source:6bca0c760ead9993fbd32a42"],"occurred_on":["source:6bca0c760ead9993fbd32a42"],"observed_on":["source:6bca0c760ead9993fbd32a42"],"qualifies_status":["source:6bca0c760ead9993fbd32a42"],"status_group":["source:6bca0c760ead9993fbd32a42"],"status_label":["source:6bca0c760ead9993fbd32a42"],"scope":["source:6bca0c760ead9993fbd32a42"]},"field_confidence":{"subject_id":"primary_record","event_type":"primary_record","occurred_on":"primary_record","observed_on":"primary_record","qualifies_status":"primary_record","status_group":"primary_record","status_label":"primary_record","scope":"primary_record"}}],"city_companies":[{"path":"/company/h5-data-centers/","name":"H5 Data Centers"}],"map_settings":{"bounds":[-77.42666,38.922193,-77.322595,39.00244],"hub":[-77.3746275,38.9623165],"hub_basis":"Illustrative view midpoint. 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