HydroOperatingCAISO

Etiwanda

Hydro power plant in San Bernardino County, California. 23.9 MW of nameplate capacity across 1 generator, operated by Metropolitan Water District of S CA.

Also known as Etiwanda Power Plant · EIA plant 745

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Separator (Etiwanda) BESSGrapeland HybridSunE RochesterFoundation IEEtiwanda1 km
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5 plants within 2.5 km, from EIA coordinates.

Key facts

Capacity
23.9 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
December 1994First generator online
Operator
Metropolitan Water District of S CAEIA operator ID 12397
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
San Bernardino County, CA34.1035, −117.5257
EIA plant ID
745EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Etiwanda produces

Free · EIA-923

Net generation, 2025

1.02 GWh

1,015 MWh, final

Capacity factor, 2025

0.5%

2024: 2.1%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

0.0–82.4

GWh a year. Low 2016, high 2017

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20000Not reported12 of 12
200160,437Not reported12 of 12
200277,607Not reported12 of 12
2003100,290Not reported12 of 12
200499,155Not reported12 of 12
200596,011Not reported12 of 12
2006142,845Not reported12 of 12
2007127,703Not reported12 of 12
200861,039Not reported12 of 12
200930,426Not reported12 of 12
201030,14214.4%12 of 12
201158,43227.9%12 of 12
201244,58521.2%12 of 12
201327,59813.2%12 of 12
201400.0%12 of 12
2015280.0%12 of 12
201600.0%12 of 12
201782,42039.4%12 of 12
201856,03826.8%12 of 12
201966,13231.6%12 of 12
20209,0454.3%12 of 12
202100.0%12 of 12
202200.0%12 of 12
202316,7288.0%12 of 12
20244,3382.1%12 of 12
20251,0150.5%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · CAISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Conventional Hydroelectric23.9December 1994

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Metropolitan Water District of S CA as the operator, which is not always the owner.

Modeled data

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Analyst and MCP

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Power plants near Etiwanda

More plants operated by Metropolitan Water District of S CA

Questions about Etiwanda

How much power does Etiwanda produce?

Etiwanda reported 1,015 MWh (1.02 GWh) of net generation in 2025, a 0.5% capacity factor on 23.9 MW of nameplate capacity.

Where is Etiwanda?

Etiwanda is in San Bernardino County, California, at 34.1035, −117.5257. It is in the California Independent System Operator balancing area (CISO).

Who operates Etiwanda?

EIA-860M for August 2026 lists Metropolitan Water District of S CA as the operator (EIA operator ID 12397). The operator is not always the owner.

When did Etiwanda start operating?

Its first generator began operating in December 1994, according to EIA-860M.

Does InfraMap have power prices for Etiwanda?

Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Etiwanda, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page