Priest Rapids

29086 Highway 243 South, Mattawa, WA 99349

Plant Summary Information

Priest Rapids is ranked #9 out of 1,332 hydroelectric power plants nationwide in terms of total annual net electricity generation.

Priest Rapids is comprised of 10 generators and generated 909.5 GWh during the 3-month period between June 2025 to September 2025.

Plant NamePriest Rapids
Utility NamePUD No 2 of Grant County
LocationGrant County, WA
Initial Operation DateOctober 1959
Last Update Sep 2025
Annual Generation 4.0 TWh
Annual Consumption 14.6 M MMBtu
Ranked #289 out of 12,539 Power Plants Nationwide
Ranked #9 out of 1,332 Water Power Plants Nationwide
Ranked #6 out of 133 Washington Power Plants
Ranked #5 out of 70 Washington Water Power Plants
Fuel Types Water

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Monthly Net Generation 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 (14624)
Latitude, Longitude46.6451, -119.908
Generation Dates on FileJan 2001 to Sep 2025
Initial Operation DateOctober 1959
Annual Generation 4.0 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
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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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
Time From Cold Shutdown To Full Load10M

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.

RankPlant NamePlant LocationAnnual Generation
#1Grand CouleeGrand Coulee, WA16.1 TWh
#2Robert Moses NiagaraLewiston, NY14.5 TWh
#3Chief JosephBridgeport, WA9.6 TWh
#4John DayRufus, OR7.2 TWh
#5Robert Moses Power DamMassena, NY6.8 TWh
#6The DallesThe Dalles, OR5.7 TWh
#7Rocky ReachWenatchee, WA5.1 TWh
#8WanapumBeverly, WA4.3 TWh
#10McNaryUmatilla, OR3.7 TWh
#11WellsChelan, WA3.6 TWh
#12BonnevilleCascade Locks, OR3.6 TWh
#13Glen Canyon DamPage, AZ2.8 TWh
#14BoundaryMetaline, WA2.8 TWh
#15Wilson DamMuscle Shoals, AL2.6 TWh
#16ShastaRedding, CA2.4 TWh
#17BrownleeCambridge, ID2.2 TWh
#18OahePierre, SD2.2 TWh
#19Rock IslandWenatchee, WA2.2 TWh
#20GarrisonRiverside, ND2.1 TWh
#21Hoover Dam (NV)Boulder City, NV2.0 TWh

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Rock IslandWenatchee, WA2.2 TWh49.2 mi
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