Ask the Grid

Overview

This is the utility-scale solar slice of the EIA-860 generator inventory, listing every operating solar generating unit along with its plant, location, owner, nameplate and net capacity, and in-service dates. It adds solar-specific attributes such as panel tracking type (fixed, single-axis, or dual-axis) and tilt angle. Researchers and analysts can use it to map where solar capacity sits on the grid, gauge how design choices shape generation profiles, and track the buildout of utility-scale solar over time. The source is the EIA-860 annual survey, with the inventory refreshed monthly between full annual snapshots.

Use with MCP

This table is available through the signed-in, read-only Ask the Grid MCP server. Connect a market below, then use search_data or describe_data to load its query contract before calling query_data.

Schema36

Column
Type
event_timeDateTime64(6, 'UTC')
plant_idInt64
plant_nameNullable(String)
generator_idLowCardinality(String)
unit_codeNullable(String)
entity_idNullable(Int64)
entity_nameNullable(String)
sectorNullable(String)
sector_nameNullable(String)
stateNullable(String)
state_nameNullable(String)
countyNullable(String)
latitudeNullable(Float64)
longitudeNullable(Float64)
balancing_authority_codeNullable(String)
balancing_authority_nameNullable(String)
nameplate_capacity_mwNullable(Float64)
net_summer_capacity_mwNullable(Float64)
net_winter_capacity_mwNullable(Float64)
technologyNullable(String)
energy_source_codeNullable(String)
energy_source_descNullable(String)
prime_mover_codeNullable(String)
statusNullable(String)
status_descriptionNullable(String)
operating_year_monthNullable(String)
planned_retirement_year_monthNullable(String)
planned_derate_year_monthNullable(String)
planned_derate_summer_cap_mwNullable(Float64)
planned_uprate_year_monthNullable(String)
planned_uprate_summer_cap_mwNullable(Float64)
source_timeNullable(DateTime64(6, 'UTC'))
single_axis_trackingNullable(Bool)
dual_axis_trackingNullable(Bool)
tilt_angle_degreesNullable(Float64)
ingested_atDateTime64(6, 'UTC')

Sample rows

event_timeplant_idplant_namegenerator_idunit_codeentity_identity_namesectorsector_namestatestate_namecountylatitudelongitudebalancing_authority_codebalancing_authority_namenameplate_capacity_mwnet_summer_capacity_mwnet_winter_capacity_mwtechnologyenergy_source_codeenergy_source_descprime_mover_codestatusstatus_descriptionoperating_year_monthplanned_retirement_year_monthplanned_derate_year_monthplanned_derate_summer_cap_mwplanned_uprate_year_monthplanned_uprate_summer_cap_mwsource_timesingle_axis_trackingdual_axis_trackingtilt_angle_degreesingested_at
2026-04-01 00:00:00.00000070096Riverside Community CollegeRCCPV67207TotalEnergies Renewables USA LLCcommercial-non-chpCommercial Non-CHPCACaliforniaRiverside33.971659-117.380658CISOCalifornia Independent System Operator2.12.11.6Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070074Hopewell Solar, LLCHPWLL67852ipp-non-chpIPP Non-CHPILIllinoisMarshall41.036889-89.383556PJMPJM Interconnection, LLC1.61.61.6Solar PhotovoltaicSUNSolarPVOPOperating2023-112026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070073Galesburg 650 Solar 1, LLCGB65067852ipp-non-chpIPP Non-CHPILIllinoisKnox40.928617-90.319573PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-102026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070072Cameron Solar, LLC - (IL)CAMRN67852ipp-non-chpIPP Non-CHPILIllinoisPeoria40.68729-89.72642PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-112026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070071Schmidt Huser Solar, LLCSCHMT67851ipp-non-chpIPP Non-CHPILIllinoisTazewell40.558885-89.529502PJMPJM Interconnection, LLC1.51.51.5Solar PhotovoltaicSUNSolarPVOPOperating2023-032026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070070Marine Solar 2, LLCMARN267851ipp-non-chpIPP Non-CHPILIllinoisMadison38.793181-89.789689PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-092026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070069Marine Solar 1, LLCMARN167851ipp-non-chpIPP Non-CHPILIllinoisMadison38.7952-89.789286PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-092026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070068Clark Solar 2, LLCGCLK167851ipp-non-chpIPP Non-CHPILIllinoisMason40.306858-89.610644PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-042026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070067Pearl St Solar 1, LLCPEARL67850ipp-non-chpIPP Non-CHPILIllinoisTazewell40.533028-89.517186PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-032026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070066Highland Solar 1, LLCHIGH167850ipp-non-chpIPP Non-CHPILIllinoisMadison38.736731-89.700903PJMPJM Interconnection, LLC222Solar PhotovoltaicSUNSolarPVOPOperating2023-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070054DG CS NY TownlineSP60365043Madison Energy Investments LLCipp-non-chpIPP Non-CHPNYNew YorkErie42.103226-78.831987NYISNew York Independent System Operator555Solar PhotovoltaicSUNSolarPVOPOperating2024-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070041Bowling Green Renewable Energy CenterBGREC19436Union Electric Co - (MO)electric-utilityElectric UtilityMOMissouriPike39.36-91.23MISOMidcontinent Independent Transmission System Operator, Inc..505050Solar PhotovoltaicSUNSolarPVOPOperating2025-042026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070039Wonderful Citrus - DelanoHALOS63689Wonderful Renewable Energy, LLC.industrial-non-chpIndustrial Non-CHPCACaliforniaKern35.737307-119.238392CISOCalifornia Independent System Operator2.82.82.8Solar PhotovoltaicSUNSolarPVOPOperating2014-052026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070038WingmasterWINGM63689Wonderful Renewable Energy, LLC.industrial-non-chpIndustrial Non-CHPCACaliforniaKern35.695196-119.489734CISOCalifornia Independent System Operator1.51.51.5Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070037LAX Rental Car Center Solar Power PlantTOTAL10810LAX Airportipp-non-chpIPP Non-CHPCACaliforniaLos Angeles33.949726-118.373993LDWPLos Angeles Department of Water and Power4.84.84.2Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070017IL - ForeFront CS (Huntley)HNTLY67832ipp-non-chpIPP Non-CHPILIllinoisMcHenry42.195252-88.409025PJMPJM Interconnection, LLC2.92.92.9Solar PhotovoltaicSUNSolarPVOPOperating2025-112026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000070016IL - ForeFront CS (Brimfield 2)BRMF267831ipp-non-chpIPP Non-CHPILIllinoisPeoria40.830018-89.911274MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-112026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069985CortlandvillePV167823ipp-non-chpIPP Non-CHPNYNew YorkCortland42.554142-76.190359NYISNew York Independent System Operator555Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069962Illinois PV Peoria 2BPV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisPeoria40.685052-89.743652MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069961Illinois PV Peoria 2APV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisPeoria40.685052-89.743652MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069960Illinois PV Adams 2BPV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisAdams39.98374-91.369609MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069959Illinois PV Adams 2APV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisAdams39.98374-91.369609MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069958Illinois PV Adams 1BPV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisAdams39.963878-91.341369MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069957Illinois PV Adams 1APV60520SoCore Energy LLCipp-non-chpIPP Non-CHPILIllinoisAdams39.963878-91.341369MISOMidcontinent Independent Transmission System Operator, Inc..222Solar PhotovoltaicSUNSolarPVOPOperating2025-122026-07-12 06:41:10.6265712026-07-12 06:41:16.581803
2026-04-01 00:00:00.00000069955Kearsarge St JohnsvilleSJOHN67801ipp-non-chpIPP Non-CHPNYNew YorkMontgomery42.999235-74.696099ISNEISO New England Inc.555Solar PhotovoltaicSUNSolarPVOPOperating2025-102026-07-12 06:41:10.6265712026-07-12 06:41:16.581803

Coverage

3.3% complete6,446 gap days220 days with data
Show coverage history ▾
Coverage: 3.3%Days with data: 220Gaps: 6,446
2026
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