Imperial Irrigation District (IID)
Imperial Irrigation District (IID) is a balancing authority on the North American grid. On the map it has 58 power plants with 2 GW of capacity, geothermal the largest share at 647 MW. Its peak load is 1,067 MW.
At a glance
- Peak load: 1,067 MW
Capacity by fuel
58 power plants with 2 GW of capacity, planned generators left out.
- Geothermal: 647 MW from 18 plants (32%)
- Natural gas: 535 MW from 5 plants (26%)
- Solar: 482 MW from 26 plants (24%)
- Battery storage: 287 MW from 1 plant (14%)
- Hydro: 65 MW from 7 plants (3%)
- Biomass: 16 MW from 1 plant (1%)
Largest plants
- El Centro Hybrid: Natural gas, 323 MW, California
- Vikings Energy Farm: Battery storage, 287 MW, California
- Niland Gas Turbine Plant: Natural gas, 86 MW, California
- Arrowleaf Solar and Storage: Solar, 77 MW, California
- Colgreen North Shore Solar Farm: Solar, 75 MW, California
- Coachella: Natural gas, 74 MW, California
- Heber Geothermal: Geothermal, 64 MW, California
- North Brawley Geothermal Plant: Geothermal, 54 MW, California
- Second Imperial Geothermal: Geothermal, 52 MW, California
- Midway Solar Farm 1: Solar, 50 MW, California
Planned and under construction
3 generators planned, under construction or testing, 362 MW in all, not counted above.
- Solar: 200 MW
- Natural gas: 112 MW
- Other: 50 MW
States and provinces
- California: 58 plants
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)
Balancing authorities: HIFLD Control Areas (position, peak load); EIA-930 reference tables (which BAs are active); EIA-861 (a feature's BA); Wattlas outlines for Canadian and Mexican BAs. License: Public domain