Summer Falls Power Plant

29313 Pinto Ridge Road NE, Coulee City, WA 99115

Plant Summary Information

Summer Falls Power Plant is ranked #43 out of 131 power plants in Washington in terms of total annual net electricity generation.

Summer Falls Power Plant is comprised of 2 generators and generated 137.9 GWh during the 3-month period between July 2024 to October 2024.

Plant NameSummer Falls Power Plant
Utility NameColumbia Basin Hydropower
LocationGrant County, WA
Initial Operation DateJanuary 1985
Last Update Oct 2024
Annual Generation 398.2 GWh
Annual Consumption 1.4 M MMBtu
Ranked #1,557 out of 12,299 Power Plants Nationwide
Ranked #116 out of 1,323 Water Power Plants Nationwide
Ranked #43 out of 131 Washington Power Plants
Ranked #21 out of 68 Washington Water Power Plants
Fuel Types Water
Previous Operator Grand Coulee Project Hydroelectric Auth (2013 to 2014)
Columbia Basin Hydropower (2015 to 2024)

Map of Summer Falls Power Plant

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Monthly Net Generation for Summer Falls Power Plant

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Summer Falls Power Plant Details

Summary Information
Plant NameSummer Falls Power Plant (56695)
Plant Address29313 Pinto Ridge Road NE, Coulee City, WA 99115
UtilityColumbia Basin Hydropower (55939)
Latitude, Longitude47.5025, -119.2917
Generation Dates on FileJan 2007 to Oct 2024
Initial Operation DateJanuary 1985
Annual Generation 398.2 GWh
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 AuthorityAvista Corporation (AVA)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceIrrigation Canal
Ash Impoundment No
Transmission / Distribution OwnerAvista Corp (20169) WA
Grid Voltage 115.00 kV
Energy StorageNo

Generator 1 Details Operating January 1985

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipJointly Owned
Nameplate Capacity46 MW
Nameplate Power Factor0.95
Summer Capacity46 MW
Minimum Load14 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1985
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load1H

Generator 2 Details Operating January 1985

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipJointly Owned
Nameplate Capacity46 MW
Nameplate Power Factor0.95
Summer Capacity46 MW
Minimum Load14 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1985
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load1H

Summer Falls Power Plant Plant Owners

Owner NameAddressGeneratorOwnership
Quincy-Columbia Basin Irr Dist1720 Central Ave S, P.O. Box 188 Quincy, WA 98848Generator 133.34%
East Columbia Basin Irr Dist55 N 8th Ave, Othello, WA 99344Generator 133.33%
South Columbia Basin Irr Dist1135 E Hillsboro St # A, Pasco, WA 99301Generator 133.33%
Quincy-Columbia Basin Irr Dist1720 Central Ave S, P.O. Box 188 Quincy, WA 98848Generator 233.34%
East Columbia Basin Irr Dist55 N 8th Ave, Othello, WA 99344Generator 233.33%
South Columbia Basin Irr Dist1135 E Hillsboro St # A, Pasco, WA 99301Generator 233.33%

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Rocky ReachWenatchee, WA5.2 TWh46.9 mi
Russell D SmithOthello, WA13.4 GWh53.4 mi
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