Power plant · California, United States

Castaic

Castaic is a power plant in California, United States, with 1,682 MW of capacity, owned by Los Angeles Department of Water & Power.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Location	California	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Status	Operating	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year	1972	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	Los Angeles Department of Water & Power	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Operator	Los Angeles Department of Water & Power	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity	1,682 MW	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Technology	Hydroelectric Pumped Storage	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates	34.5872, -118.6566	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026

Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.

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How it compares

Castaic is the 4th-largest of 47 power plants in California and the 119th-largest of 800 in the United States by capacity; its 1,682 MW is 0.2% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.

Within	Rank	Total	Share
California	4th of 47	38,918 MW	4.3%
United States	119th of 800	839,036 MW	0.2%
All power plants in our data	127th of 12,032	1,190,447 MW	0.14%

Nearby

Within 50 km of this power plant: 5 water rights (3 active), 3 mines and 1 data center, measured from the coordinates in the facts above. The table shows the nearest 7, up to 3 per kind.

Name	Kind	Size	Status	Distance
Castaic Creek municipal and irrigation right A026058	Water right	85,000 acre-ft/year	Permitted	8.8 km
Piru Creek power right A027264	Water right	80,362 acre-ft/year	Active	17 km
Piru Creek municipal and irrigation right A012092A	Water right	191,430 acre-ft/year	Active	23 km
Canyon Rock Plant	Mine	—	Operating	29 km
Arcosa Frazier Park Plant# 1603	Mine	—	Operating	41 km
Acton Clay Quarries	Mine	—	Operating	49 km
AT&T	Data center	—	—	50 km

Owner, operator and place

Other power plants in California

Diablo Canyon2,323 MW
Dynegy Moss Landing Power Plant Hybrid1,848 MW
Haynes1,739 MW
Ormond Beach1,612 MW
Geysers Unit 5-201,236 MW
La Paloma Generating Plant1,156 MW
AES Alamitos LLC1,115 MW
Helms Pumped Storage1,053 MW

All 100 power plants in California, United States

Data on this page

Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
eWRIMS Water Rights List. eWRIMS Water Rights List, Public domain.
JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.