Ralston

9600 Blacksmith Flat Rd., Foresthill, CA 95631

Plant Summary Information

Ralston is ranked #20 out of 221 hydroelectric power plants in California in terms of total annual net electricity generation.

Ralston is comprised of 1 generator and generated 32.8 GWh during the 3-month period between September 2023 to December 2023.

Plant NameRalston
Utility NamePlacer County Water Agency
LocationPlacer County, CA
Initial Operation DateOctober 1966
Last Update Dec 2023
Annual Generation 459.9 GWh
Annual Consumption 1.6 M MMBtu
Ranked #1,370 out of 11,866 Power Plants Nationwide
Ranked #94 out of 1,369 Water Power Plants Nationwide
Ranked #96 out of 1,571 California Power Plants
Ranked #20 out of 221 California Water Power Plants
Fuel Types Water

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Monthly Net Generation for Ralston

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Ralston Details

Summary Information
Plant NameRalston (427)
Plant Address9600 Blacksmith Flat Rd., Foresthill, CA 95631
UtilityPlacer County Water Agency (15127)
Latitude, Longitude39.001, -120.72505
Generation Dates on FileJan 2001 to Dec 2023
Initial Operation DateOctober 1966
Annual Generation 459.9 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 AuthorityCalifornia Independent System Operator (CISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceRubicon River
Ash Impoundment
Transmission / Distribution OwnerPacific Gas & Electric Co (14328) CA
Grid Voltage 230.00 kV
Energy StorageNo

Generator 1 Details Operating October 1966

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity79.2 MW
Nameplate Power Factor0.9
Summer Capacity86 MW
Winter Capacity86 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 1966
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M

Ralston Plant Owners

Owner NameAddressOwnership
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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#84Pine FlatPiedra, CA485.0 GWh
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#87Don PedroLa Grange, CA472.9 GWh
#88White Rock/Slab CreekPlacerville, CA471.9 GWh
#89MerwinAriel, WA471.6 GWh
#90Wolf CreekJamestown, KY470.5 GWh
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#92Narrows (NC)Badin, NC462.5 GWh
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#95Lay DamClanton, AL454.7 GWh
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#98Summer Falls Power PlantCoulee City, WA447.2 GWh
#99JaybirdCamino, CA442.8 GWh
#100Fairfield Pumped StorageJenkinsville, SC442.5 GWh
#101ApalachiaReliance, TN435.9 GWh
#102R C KirkwoodGroveland, CA435.4 GWh
#103Hawks Nest HydroGauley Bridge, WV435.2 GWh
#104Walter F GeorgeFt. Gaines, GA426.4 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Ralston.

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Chili BarPlacerville, CA43.5 GWh16.5 mi
Combie SouthAuburn, CA6.8 GWh17.9 mi
Drum 1Alta, CA88.2 GWh17.8 mi
Drum 2Alta, CA271.0 GWh17.9 mi
Dutch FlatAlta, CA112.1 GWh16.1 mi
Dutch Flat 2Dutch Flat, CA46.7 GWh16.1 mi
El DoradoPollock Pines, CA101.0 GWh15.4 mi
French MeadowsForesthill, CA67.4 GWh17.9 mi
HalseyAuburn, CA7.3 GWh17.3 mi
JaybirdCamino, CA442.8 GWh15.5 mi
Middle ForkForesthill, CA475.9 GWh7.1 mi
Oxbow (CA)Foresthill, CA13.8 GWh1.2 mi
Robbs PeakFresh Pond, CA69.1 GWh20 mi
Rock Creek LPPlacerville, CA1.0 GWh15.3 mi
RollinsColfax, CA73.1 GWh15.3 mi
Union ValleyFresh Pond, CA168.2 GWh17.8 mi
White Rock/Slab CreekPlacerville, CA471.9 GWh16.6 mi