Power plants and the grid in Idaho
Idaho has 154 power plants with 6.6 GW of capacity, hydro the largest share at 2.7 GW. The map shows 12 data centers in Idaho. Its interconnection queue holds 64 active requests for 12.2 GW.
Capacity by fuel
154 power plants with 6.6 GW of capacity, planned generators left out.
- Hydro: 2.7 GW from 74 plants (41%)
- Natural gas: 1.1 GW from 9 plants (17%)
- Wind: 1.1 GW from 33 plants (17%)
- Solar: 827 MW from 14 plants (13%)
- Battery storage: 659 MW from 10 plants (10%)
- Biomass: 88 MW from 11 plants (1%)
- Other: 15 MW from 1 plant (under 1%)
- Geothermal: 11 MW from 1 plant (under 1%)
- Oil: 5 MW from 1 plant (under 1%)
Largest plants
- Brownlee: Hydro, 702 MW
- Dworshak: Hydro, 465 MW
- Langley Gulch Power Plant: Natural gas, 303 MW
- Evander Andrews Power Complex: Natural gas, 272 MW
- Cabinet Gorge: Hydro, 255 MW
- Rathdrum Power LLC: Natural gas, 210 MW
- Matrix Pleasant Valley: Solar, 200 MW
- Bennett Mountain: Natural gas, 185 MW
- Palisades Dam: Hydro, 176 MW
- Hemmingway BESS: Battery storage, 166 MW
Largest plants near Boise
- Matrix Pleasant Valley: Solar, 200 MW, 39 km away
- Hemmingway BESS: Battery storage, 166 MW, 45 km away
- Boise Bench BESS: Battery storage, 150 MW, 8 km away
- Kuna BESS: Battery storage, 150 MW, 20 km away
- Pleasant Valley Solar 2 Project: Solar, 125 MW, 37 km away
Planned and under construction
3 generators planned, under construction or testing, 959 MW in all, not counted above.
- Solar: 600 MW
- Wind: 359 MW
Grid operators
- Idaho Power (IPCO): 110 plants
- PacifiCorp East (PACE): 24 plants
- Bonneville Power Administration (BPAT): 13 plants
- Avista Corporation (AVA): 7 plants
Data centers
12 data center sites on the map.
- Ada County: 10 sites
- Operators with the most sites: CenturyLink (2), Involta (2), Meta (2), Deep Atomic (1), Diode Ventures (1), Fiberpipe (1), SolutionPro (1), The Benaroya Company (1)
Interconnection queue
64 active requests to connect 12.2 GW of new generation and storage, and 19 suspended requests, from Lawrence Berkeley National Laboratory's Queued Up data.
- Solar: 5.9 GW in 29 requests
- Battery storage: 2.3 GW in 13 requests
- Natural gas: 1.9 GW in 8 requests
- Wind: 1.7 GW in 7 requests
- Hydro: 353 MW in 6 requests
- Nuclear: 45 MW in 1 request
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Places gazetteer (cities, airports, regions): Natural Earth populated places; OurAirports; Natural Earth admin-1; Wattlas curated places. License: Public domain
Data centers: Epoch AI (CC BY); OpenStreetMap via the public Overpass API (ODbL, © OpenStreetMap contributors); Ringmast4r Global-Data-Center-Map (custom permissive license, attribution required); location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; generation within 20 km from the previous publish's plants; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: CC BY; ODbL; custom permissive; WRI Aqueduct CC BY 4.0; USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain; Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH; the U.S. Drought Monitor courtesy of NDMC
Interconnection queue requests: Lawrence Berkeley National Laboratory and GridTracker, "Queued Up". License: CC BY 4.0
States and provinces (simplified polygons): Natural Earth 10m admin-1. License: Public domain