Priest Rapids

29086 Highway 243 South, Mattawa, WA 99349

Plant Summary Information

Priest Rapids is ranked #9 out of 1,311 hydroelectric power plants nationwide in terms of total annual net electricity generation.

Priest Rapids is comprised of 10 generators and generated 1.4 TWh during the 3-month period between February 2026 to May 2026.

Plant NamePriest Rapids
Utility NamePUD No 2 of Grant County - (WA)
LocationGrant County, WA
Initial Operation DateOctober 1959
Last Update May 2026
Annual Generation 4.9 TWh
Annual Consumption 17.9 M MMBtu
Ranked #228 out of 13,081 Power Plants Nationwide
Ranked #9 out of 1,311 Water Power Plants Nationwide
Ranked #6 out of 131 Washington Power Plants
Ranked #5 out of 70 Washington Water Power Plants
Fuel Types Water
Previous Operator PUD No 2 of Grant County (2013 to 2024)
PUD No 2 of Grant County - (WA) (2025 to 2025)

Map of Priest Rapids

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Monthly Net Generation for Priest Rapids

Monthly Plant Fuel Consumption for Priest Rapids

Priest Rapids Details

Summary Information
Plant NamePriest Rapids (3887)
Plant Address29086 Highway 243 South, Mattawa, WA 99349
UtilityPUD No 2 of Grant County - (WA) (14624)
Latitude, Longitude46.6451, -119.908
Generation Dates on FileJan 2001 to May 2026
Initial Operation DateOctober 1959
Annual Generation 4.9 TWh
Fuel Types Water
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionWECC
Balancing AuthorityBonneville Power Administration (BPAT)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceColumbia River
Ash Impoundment No
Transmission / Distribution OwnerBonneville Power Administration (1738) WA
Grid Voltage 230.00 kV
Energy StorageNo

Generator 9 Details Operating October 1959

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 1959
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 10 Details Operating November 1959

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateNovember 1959
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateSeptember 2030
Multiple FuelsNo

Generator 8 Details Operating December 1959

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1959
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 7 Details Operating January 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 6 Details Operating February 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateFebruary 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2027
Multiple FuelsNo

Generator 5 Details Operating April 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateApril 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 3 Details Operating September 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateSeptember 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMarch 2029
Multiple FuelsNo

Generator 4 Details Operating September 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateSeptember 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 2 Details Operating May 1961

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 1961
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Multiple FuelsNo

Generator 1 Details Operating July 1961

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor0.95
Summer Capacity95 MW
Winter Capacity95 MW
Minimum Load50 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 1961
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Planned Net Summer Capacity Uprate10 MW
Planned Net Winter Capacity Uprate10 MW
Planned UprateMay 2026
Other Planned ModificationsNo
Multiple FuelsNo

Priest Rapids Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Water.

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#1Grand CouleeGrand Coulee, WA18.3 TWh
#2Robert Moses NiagaraLewiston, NY14.1 TWh
#3Chief JosephBridgeport, WA11.5 TWh
#4John DayRufus, OR8.1 TWh
#5Robert Moses Power DamMassena, NY6.7 TWh
#6The DallesThe Dalles, OR6.5 TWh
#7Rocky ReachWenatchee, WA6.2 TWh
#8WanapumBeverly, WA5.3 TWh
#10WellsChelan, WA4.3 TWh
#11BonnevilleCascade Locks, OR4.1 TWh
#12McNaryUmatilla, OR4.0 TWh
#13BoundaryMetaline, WA3.8 TWh
#14Rock IslandWenatchee, WA2.6 TWh
#15Glen Canyon DamPage, AZ2.4 TWh
#16BrownleeCambridge, ID2.3 TWh
#17ShastaRedding, CA2.0 TWh
#18Hells CanyonOxbow, OR2.0 TWh
#19OahePierre, SD2.0 TWh
#20GarrisonRiverside, ND2.0 TWh
#21Edward C HyattOroville, CA2.0 TWh

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Quincy ChuteQuincy, WA32.6 GWh38.6 mi
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