Ralston

9600 Blacksmith Flat Rd., Foresthill, CA 95631

Plant Summary Information

Ralston is ranked #35 out of 187 hydroelectric power plants in California in terms of total annual net electricity generation.

Ralston is comprised of 1 generator and generated 18.8 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Ralston
Utility Name	Placer County Water Agency
Location	Placer County, CA
Initial Operation Date	October 1966
Last Update	Dec 2024
Annual Generation	328.1 GWh
Annual Consumption	1.2 M MMBtu
Ranked #1,877 out of 12,332 Power Plants Nationwide
Ranked #146 out of 1,256 Water Power Plants Nationwide
Ranked #159 out of 1,530 California Power Plants
Ranked #35 out of 187 California Water Power Plants
Fuel Types	Water

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Ralston.

Summary Information
Plant Name	Ralston (427)
Plant Address	9600 Blacksmith Flat Rd., Foresthill, CA 95631
Utility	Placer County Water Agency (15127)
Latitude, Longitude	39.001, -120.72505
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	October 1966
Annual Generation	328.1 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	WECC
Balancing Authority	California Independent System Operator (CISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Rubicon River
Ash Impoundment
Transmission / Distribution Owner	Pacific Gas & Electric Co (14328) CA
Grid Voltage	230.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	79.2 MW
Nameplate Power Factor	0.9
Summer Capacity	86 MW
Winter Capacity	86 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	October 1966
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M

Owner Name	Address	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#136	Cordell Hull	Carthage, TN	344.8 GWh
#137	Pine Flat	Piedra, CA	344.0 GWh
#138	S C Moore	Littleton, NH	341.5 GWh
#139	Cherokee Dam	Rudledge, TN	341.4 GWh
#140	Cresta	Storrie, CA	338.1 GWh
#141	Wyman Hydro	Bingham, ME	337.1 GWh
#142	Pit 3	Burney, CA	332.8 GWh
#143	Snettisham	Juneau, AK	332.7 GWh
#144	Bliss (ID)	Bliss, ID	332.6 GWh
#145	Rainbow (MT)	Great Falls, MT	329.0 GWh
#147	Chelan	Wenatchee, WA	328.0 GWh
#148	Lower Baker	Concrete, WA	326.7 GWh
#149	Curtis Palmer Hydroelectric	Corinth, NY	326.5 GWh
#150	Camino	Camino, CA	325.1 GWh
#151	Thermalito	Oroville, CA	318.7 GWh
#152	Upper Baker	Concrete, WA	317.8 GWh
#153	Stanislaus	Vallecito, CA	315.8 GWh
#154	Ozark	Ozark, AR	314.7 GWh
#155	Morrow Point	Montrose, CO	309.8 GWh
#156	Martin Dam	Dadeville, AL	305.9 GWh

Below are closest 20 power plants surrounding Ralston.

Plant Name	Plant Location	Annual Generation	Distance
Alta Powerhouse	Alta, CA	1.4 GWh	15.4 mi
Camino	Camino, CA	325.1 GWh	15.6 mi
Chicago Park	Colfax, CA	59.8 GWh	15.1 mi
Chili Bar	Placerville, CA	32.8 GWh	16.5 mi
Combie South	Auburn, CA	3.7 GWh	17.9 mi
Deer Creek PH	Nevada City, CA	12.1 GWh	21.5 mi
Drum 1	Alta, CA	46.4 GWh	17.8 mi
Drum 2	Alta, CA	148.6 GWh	17.9 mi
Dutch Flat	Alta, CA	27.1 GWh	16.1 mi
Dutch Flat 2	Dutch Flat, CA	14.5 GWh	16.1 mi
El Dorado	Pollock Pines, CA	80.9 GWh	15.4 mi
French Meadows	Foresthill, CA	50.8 GWh	17.9 mi
Halsey	Auburn, CA	7.6 GWh	17.3 mi
Jaybird	Camino, CA	505.2 GWh	15.5 mi
Jones Fork	Fresh Pond, CA	8.6 GWh	21.2 mi
Middle Fork	Foresthill, CA	411.3 GWh	7.1 mi
Rollins	Colfax, CA	38.6 GWh	15.3 mi
Union Valley	Fresh Pond, CA	76.5 GWh	17.8 mi
White Rock/Slab Creek	Placerville, CA	490.1 GWh	16.6 mi
Wise	Auburn, CA	31.5 GWh	21.5 mi