Northwestern Energy (Nwmt) (NWMT)
Northwestern Energy (Nwmt) (NWMT) is a balancing authority on the North American grid. On the map it has 52 power plants with 3.8 GW of capacity, coal the largest share at 1.6 GW. Its peak load is 1,843 MW.
At a glance
- Peak load: 1,843 MW
Capacity by fuel
52 power plants with 3.8 GW of capacity, planned generators left out.
- Coal: 1.6 GW from 4 plants (43%)
- Wind: 831 MW from 16 plants (22%)
- Hydro: 723 MW from 15 plants (19%)
- Natural gas: 359 MW from 5 plants (10%)
- Solar: 181 MW from 9 plants (5%)
- Oil: 57 MW from 3 plants (2%)
Largest plants
- Colstrip: Coal, 1.5 GW, Montana
- Selis Ksanka Qlispe: Hydro, 228 MW, Montana
- Clearwater Wind East: Wind, 208 MW, Montana
- Yellowstone County Generating Station: Natural gas, 166 MW, Montana
- Judith Gap Wind Energy Center: Wind, 135 MW, Montana
- Dave Gates Generating Station: Natural gas, 132 MW, Montana
- Hardin Generator Project: Coal, 107 MW, Montana
- Clearwater Wind II: Wind, 103 MW, Montana
- Thompson Falls: Hydro, 94 MW, Montana
- Apex Solar: Solar, 80 MW, Montana
Planned and under construction
5 generators planned, under construction or testing, 1.2 GW in all, not counted above.
- Wind: 710 MW
- Solar: 400 MW
- Battery storage: 50 MW
- Hydro: 7 MW
States and provinces
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