Castaic

37700 Templin Hwy, Castaic, CA 91384

Plant Summary Information

Castaic is ranked #62 out of 206 hydroelectric power plants in California in terms of total annual net electricity generation.

Castaic is comprised of 7 generators and generated 24.4 GWh during the 3-month period between December 2024 to March 2025.

Plant Name	Castaic
Utility Name	Los Angeles Department of Water & Power
Location	Los Angeles County, CA
Initial Operation Date	January 1972
Last Update	Mar 2025
Annual Generation	123.1 GWh
Annual Consumption	0 MMBtu
Ranked #3,016 out of 12,288 Power Plants Nationwide
Ranked #302 out of 1,323 Water Power Plants Nationwide
Ranked #329 out of 1,564 California Power Plants
Ranked #62 out of 206 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 Mar 2025
Initial Operation Date	January 1972
Annual Generation	123.1 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	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 2024 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 Operating 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	Operating
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 Operating 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	Operating
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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Power plants with a similar annual net generation from Water.

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#293	Anderson Ranch	Mountain Home, ID	130.0 GWh
#294	Ellis Hydro	Van Buren, AR	128.8 GWh
#295	Forbestown	Forbestown, CA	128.5 GWh
#296	Oliver Dam	Columbus, GA	128.4 GWh
#297	Black Eagle	Great Falls, MT	127.5 GWh
#298	Falls Hydro	Badin, NC	126.5 GWh
#299	Tyee Lake Hydroelectric Facility	Wrangell, AK	126.0 GWh
#300	Nine Mile	Nine Mile, WA	125.7 GWh
#301	Melton Hill	Lenoir City, TN	125.1 GWh
#303	Allatoona	Cartersville, GA	122.5 GWh
#304	RC Thomas Hydroelectric Project	Livingston, TX	122.0 GWh
#305	Swan Falls	Kuna, ID	121.9 GWh
#306	Jim Falls	Jim Falls, WI	121.9 GWh
#307	South Holston	Bristol, TN	120.8 GWh
#308	Blewett	Lilesville, NC	120.6 GWh
#309	Eklutna Hydro Project	Palmer, AK	120.4 GWh
#310	Cushman 1	Shelton, WA	120.0 GWh
#311	Faraday	Estacada, OR	119.9 GWh
#312	Hills Creek	Oakridge, OR	119.8 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Castaic.

Plant Name	Plant Location	Annual Generation	Distance
Alamo	Pearblossom, CA	55.9 GWh	15.9 mi
Alpine Solar	Lancaster, CA	118.8 GWh	16.4 mi
Ameresco Chiquita Canyon	Castaic, CA	2.1 GWh	10.8 mi
AV Solar Ranch One	Lancaster, CA	569.0 GWh	18.8 mi
Berry Placerita Cogen	Santa Clarita, CA	30.3 GWh	16.8 mi
Foothill Feeder	Castaic, CA	19.6 GWh	5.7 mi
Gaskell West 1 Solar Facility	Lancaster, CA	52.6 GWh	17.8 mi
RE Astoria 2	Rosamond, CA	156.3 GWh	19.9 mi
RE Garland	Rosamond, CA	483.5 GWh	18.1 mi
RE Garland A	Rosamond, CA	58.2 GWh	18.5 mi
RE Gaskell West 2 LLC	Rosamond, CA	101.2 GWh	18.1 mi
RE Gaskell West 3 LLC	Rosamond, CA	49.3 GWh	18.1 mi
RE Gaskell West 4 LLC	Rosamond, CA	50.0 GWh	17.4 mi
RE Gaskell West 5 LLC	Rosamond, CA	49.3 GWh	18.1 mi
San Francisquito 1	Saugus, CA	177.7 GWh	11.5 mi
San Francisquito 2	Saugus, CA	44.7 GWh	8.3 mi
SCV Water - Gladbach Water Treatment Plant Phases I and II	Santa Clara, CA	5.0 GWh	13.5 mi
Sunshine Gas Producers	Sylmar, CA	120.2 GWh	19.1 mi
Ventura Solar	Fillmore, CA	6.2 GWh	19.1 mi
W E Warne	Gorman, CA	171.5 GWh	10.1 mi