How big is Devil Canyon?

Devil Canyon has a reported capacity of 276.2 MW. Source: EIA Form 860M.

What kind of plant is Devil Canyon?

Devil Canyon is a Conventional Hydroelectric facility in San Bernardino County, CA, participating in the CAISO market.

Where is Devil Canyon located?

Devil Canyon is in San Bernardino County, CA, inside the CAISO balancing area.

Who operates Devil Canyon?

Devil Canyon is operated by California Dept. of Water Resources according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Devil Canyon generate?

Devil Canyon reported 854.9 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Devil Canyon compare to other plants?

By capacity, Devil Canyon ranks #51 of 1,349 operating plants of the same technology nationally. It ranks #5 of 210 in CA.

Devil Canyon — 276 MW hydro plant, San Bernardino County, CA

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Devil Canyon — 276 MW hydro plant, San Bernardino County, CA · Ask the Grid

Overview

Nameplate capacity: 276.2 MW
Canonical EIA plant baseline.
Registry anchor: Plant 436
plant-436

Structured profile

Technology: Conventional Hydroelectric
Operator: California Department of Water Resources

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Colgate

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Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
1	59.8 MW 57 MW summer	Conventional Hydroelectric Water · HY	Dec 1972	Operating
2	59.8 MW 57 MW summer	Conventional Hydroelectric Water · HY	Jul 1976	Operating
3	78.3 MW 74 MW summer	Conventional Hydroelectric Water · HY	Jul 1994	Operating
4	78.3 MW 74 MW summer

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 276.2 MW
National rank: #51
CA rank: #5

Monthly generation

Download CSV

Latest 12 months

854.9 GWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

32.6%

Using current reported nameplate capacity

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

DEVIL CANYON

IN SERVICE · 115 kV

0.1 km

SHANDIN

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Regulatory License Issued

Jan 14, 1972

FERC issued a 50-year license to the California Department of Water Resources and Los Angeles Department of Water and Power for South SWP Hydropower, which includes the East Branch Devil Canyon development.

Federal Energy Regulatory Commission · California Department of Water Resources · Los Angeles Department of Water and Power

water.ca.gov

Unit Operational

1972

FERC MBR/EIA record indicates Devil Canyon Unit 1 (59.8 MW) entered service in 1972.

California Department of Water Resources

mbrweb.ferc.gov

Unit Operational

1976

FERC MBR/EIA record indicates Devil Canyon Unit 2 (59.8 MW) entered service in 1976.

California Department of Water Resources

mbrweb.ferc.gov

Unit Operational

1994

FERC MBR/EIA record indicates Devil Canyon Unit 3 (78.3 MW) entered service in 1994.

California Department of Water Resources

mbrweb.ferc.gov

Regulatory License Expired

Jan 31, 2022

The original South SWP Hydropower license (FERC Project No. 2426) expired on this date. DWR pursued a separate new license for the Devil Canyon Project.

Federal Energy Regulatory Commission · California Department of Water Resources

water.ca.gov

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorMarket / regulator

Parties and identifiers

OrganizationRoleBasis

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

1972
1972
Devil Canyon Unit 1 operationalmbrweb.ferc...
FERC MBR/EIA record indicates Devil Canyon Unit 1 (59.8 MW) entered service in 1972.
Jan 14, 1972
Jan 14, 1972
Original FERC license issued for South SWP Hydropower (Project 2426)

Reporting portfolio

EIA reporting entity

California Dept. of Water Resources

Entity 3255

Operating portfolio

8 plants

1 states

Reported capacity

1,589.3 MW

Conventional Hydroelectric · Hydroelectric Pumped Storage

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Edward C Hyatt	644.1 MW	CA
W R Gianelli	424 MW	CA
Devil CanyonCurrent	276.2 MW	CA
Thermalito	115.1 MW	CA
W E Warne	74.2 MW	CA
Mojave Siphon	32.7 MW	CA
Alamo	19.6 MW	CA
Thermalito Diverson Dam	3.4 MW	CA

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Devil Canyon

Devil Canyon

Overview

Structured profile

Related assets

Collierville Powerhouse

Colgate

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Mammoth Pool

Big Creek 3

Pine Flat

Dion R Holm

Reporting portfolio

Sources

Common questions about Devil Canyon

How big is Devil Canyon?

What kind of plant is Devil Canyon?

Where is Devil Canyon located?

Who operates Devil Canyon?

How much electricity does Devil Canyon generate?

How does Devil Canyon compare to other plants?

Co-located assets