MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/3887
EIA plant 3887

Mattawa · Grant · WA

Priest Rapids

Operated by PUD No 2 of Grant County

Annual generation3,837,773 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextBonneville Power AdministrationBalancing authority or NERC region

Published location

Where is Priest Rapids?

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

46.645100, -119.908000

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
1320,657 MWh
2265,248 MWh
3323,742 MWh
4253,477 MWh
5327,172 MWh
6385,159 MWh
7377,191 MWh
8344,167 MWh
9249,275 MWh
10248,643 MWh
11330,525 MWh
12412,517 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT95OP
10Conventional HydroelectricWAT95OP
2Conventional HydroelectricWAT95OP
3Conventional HydroelectricWAT95OP
4Conventional HydroelectricWAT95OP
5Conventional HydroelectricWAT95OP
6Conventional HydroelectricWAT95OP
7Conventional HydroelectricWAT95OP
8Conventional HydroelectricWAT95OP
9Conventional HydroelectricWAT95OP

Continue exploring

Similar-capacity plants in the same state

WA

Wells

WA

Little Goose

WA

Lower Monumental

WA

Lower Granite

WA

Boundary

WA

Transalta Centralia Generation

Identity, technology and limitations
EIA plant ID
3887
Sector
Electric Utility
Water source
Columbia River
Data edition
2024-final