MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/3888
EIA plant 3888

Beverly · Grant · WA

Wanapum

Operated by PUD No 2 of Grant County

Annual generation4,052,946 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextPublic Utility District No. 2 of Grant County, WashingtonBalancing authority or NERC region

Published location

Where is Wanapum?

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

46.873100, -119.970300

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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
1312,074 MWh
2257,269 MWh
3328,269 MWh
4278,077 MWh
5350,999 MWh
6430,810 MWh
7424,030 MWh
8373,848 MWh
9251,490 MWh
10251,541 MWh
11372,288 MWh
12422,251 MWh

Operating generators

IDTechnologyFuelMWStatus
10AConventional HydroelectricWAT122OP
1AConventional HydroelectricWAT122OP
2AConventional HydroelectricWAT122OP
3AConventional HydroelectricWAT122OP
4AConventional HydroelectricWAT122OP
5AConventional HydroelectricWAT122OP
6AConventional HydroelectricWAT122OP
7AConventional HydroelectricWAT122OP
8AConventional HydroelectricWAT122OP
9AConventional HydroelectricWAT122OP

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Identity, technology and limitations
EIA plant ID
3888
Sector
Electric Utility
Water source
Columbia River
Data edition
2024-final