Castaic

37700 Templin Hwy, Castaic, CA 91384

Plant Summary Information

Castaic is ranked #72 out of 221 hydroelectric power plants in California in terms of total annual net electricity generation.

Castaic is comprised of 7 generators and generated 68.8 GWh during the 3-month period between October 2024 to January 2025.

Plant Name	Castaic
Utility Name	Los Angeles Department of Water & Power
Location	Los Angeles County, CA
Initial Operation Date	January 1972
Last Update	Jan 2025
Annual Generation	107.6 GWh
Annual Consumption	0 MMBtu
Ranked #3,161 out of 11,979 Power Plants Nationwide
Ranked #340 out of 1,369 Water Power Plants Nationwide
Ranked #353 out of 1,578 California Power Plants
Ranked #72 out of 221 California Water Power Plants
Fuel Types	Water

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Monthly Net Generation for Castaic

Castaic Details

Summary Information
Plant Name	Castaic (392)
Plant Address	37700 Templin Hwy, Castaic, CA 91384
Utility	Los Angeles Department of Water & Power (11208)
Latitude, Longitude	34.58724, -118.65664
Generation Dates on File	Jan 2001 to Jan 2025
Initial Operation Date	January 1972
Annual Generation	107.6 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	Los Angeles Department of Water and Power (LDWP)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Pyramid Lake California Aquedu
Ash Impoundment	No
Transmission / Distribution Owner	Los Angeles Department of Water & Power (11208) CA
Grid Voltage	230.00 kV
Energy Storage	Yes

* Data obtained from the 2023 EIA 860 Report

Generator 7 Details Operating January 1972

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	56 MW
Nameplate Power Factor	0.8
Summer Capacity	51.5 MW
Winter Capacity	51.5 MW
Minimum Load	2 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1972
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
Multiple Fuels	No

Generator 1 Details OA September 1973

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	OA
First Operation Date	September 1973
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
Multiple Fuels	No

Generator 2 Details Operating July 1974

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 1974
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
Multiple Fuels	No

Generator 3 Details Operating July 1976

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 1976
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
Multiple Fuels	No

Generator 5 Details OA December 1977

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	OA
First Operation Date	December 1977
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
Multiple Fuels	No

Generator 4 Details Operating June 1977

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	June 1977
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
Multiple Fuels	No

Generator 6 Details Operating August 1978

Technology	Hydroelectric Pumped Storage
Prime Mover	Pumped Storage
Ownership	Single Owner
RTO ISO LMP Node Designation	none
RTO ISO Location Designation For Reporting Wholesale Sales Data	none
Nameplate Capacity	271 MW
Nameplate Power Factor	0.943
Summer Capacity	270.5 MW
Winter Capacity	270.5 MW
Minimum Load	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1978
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
Multiple Fuels	No

Castaic Plant Owners

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

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#334	Allatoona	Cartersville, GA	111.5 GWh
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#336	Stark	Colton, NY	110.5 GWh
#337	Winfield	Winfield, WV	110.5 GWh
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#339	Saluda Lexington	Columbia, SC	109.5 GWh
#341	Lower Malad	Hagerman, ID	106.8 GWh
#342	Sam Rayburn Dam	Jasper, TX	106.5 GWh
#343	Friant Hydro Facility	Friant, CA	106.2 GWh
#344	Estes	Estes Park, CO	106.1 GWh
#345	Worumbo Hydro Station	Lisbon Falls, ME	104.8 GWh
#346	Snoqualmie 2	Snoqualmie, WA	104.4 GWh
#347	Gem State	Idaho Falls, ID	104.1 GWh
#348	Cabin Creek	Georgetown, CO	101.9 GWh
#349	Horse Mesa	Apache Junction, AZ	101.3 GWh
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Nearby Power Plants

Below are closest 20 power plants surrounding Castaic.

Plant Name	Plant Location	Annual Generation	Distance
Alamo	Pearblossom, CA	91.3 GWh	15.9 mi
Alpine Solar	Lancaster, CA	161.0 GWh	16.4 mi
Ameresco Chiquita Canyon	Castaic, CA	32.6 GWh	10.8 mi
AV Solar Ranch One	Lancaster, CA	569.2 GWh	18.8 mi
Berry Placerita Cogen	Santa Clarita, CA	29.9 GWh	16.8 mi
Castaic Lake Phase II	Santa Clara, CA	7.8 GWh	13.5 mi
Foothill Feeder	Castaic, CA	19.6 GWh	5.7 mi
Gaskell West 1 Solar Facility	Lancaster, CA	26.2 GWh	17.8 mi
RE Astoria 2	Rosamond, CA	154.6 GWh	19.9 mi
RE Garland	Rosamond, CA	383.7 GWh	18.1 mi
RE Garland A	Rosamond, CA	47.9 GWh	18.5 mi
RE Gaskell West 2 LLC	Rosamond, CA	97.6 GWh	18.1 mi
RE Gaskell West 3 LLC	Rosamond, CA	46.3 GWh	18.1 mi
RE Gaskell West 4 LLC	Rosamond, CA	44.3 GWh	17.4 mi
RE Gaskell West 5 LLC	Rosamond, CA	44.2 GWh	18.1 mi
San Francisquito 1	Saugus, CA	220.2 GWh	11.5 mi
San Francisquito 2	Saugus, CA	69.0 GWh	8.3 mi
Sunshine Gas Producers	Sylmar, CA	117.6 GWh	19.1 mi
Ventura Solar	Fillmore, CA	6.2 GWh	19.1 mi
W E Warne	Gorman, CA	216.9 GWh	10.1 mi