MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/2204
EIA plant 2204

Hardin · Big Horn · MT

Yellowtail

Operated by U S Bureau of Reclamation

Annual generation798,419 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextWestern Area Power Administration UGP WestBalancing authority or NERC region

Published location

Where is Yellowtail?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

45.307406, -107.957515

Open the interactive map ↗

Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
172,121 MWh
263,099 MWh
364,377 MWh
497,009 MWh
591,873 MWh
687,910 MWh
768,055 MWh
852,957 MWh
951,288 MWh
1050,540 MWh
1150,847 MWh
1248,343 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT71.9OP
3Conventional HydroelectricWAT71.9OP
4Conventional HydroelectricWAT71.9OP
2Conventional HydroelectricWAT62.5OP

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Identity, technology and limitations
EIA plant ID
2204
Sector
Electric Utility
Water source
Bighorn River
Data edition
2024-final