HydroOperatingCAISO

Phoenix

Hydro power plant in Tuolumne County, California. 1.6 MW of nameplate capacity across 1 generator, operated by Pacific Gas & Electric Co..

Also known as EIA plant 264

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6 plants within 20 km, from EIA coordinates.

Key facts

Capacity
1.6 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
February 1940First generator online
Operator
Pacific Gas & Electric Co.EIA operator ID 14328
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
Tuolumne County, CA38.0321, −120.3265
EIA plant ID
264EIA plant page

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

How much power Phoenix produces

Free · EIA-923

Net generation, 2025

4.94 GWh

4,937 MWh, final

Capacity factor, 2025

35.2%

2024: 52.3%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

4.8–7.9

GWh a year. Low 2015, high 2016

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20009,115Not reported12 of 12
20019,984Not reported12 of 12
200211,680Not reported12 of 12
200312,527Not reported12 of 12
200410,498Not reported12 of 12
200510,833Not reported12 of 12
2006−27Not reported12 of 12
20074,524Not reported12 of 12
200810,412Not reported12 of 12
20099,416Not reported12 of 12
201010,07871.9%12 of 12
201111,20279.9%12 of 12
20128,48360.4%12 of 12
20139,55968.2%12 of 12
20145,09136.3%12 of 12
20154,84234.5%12 of 12
20167,87656.0%12 of 12
20176,46246.1%12 of 12
20185,66940.4%12 of 12
20196,43445.9%12 of 12
20206,06443.1%12 of 12
20215,34438.1%12 of 12
20226,55046.7%12 of 12
20236,67347.6%12 of 12
20247,35252.3%12 of 12
20254,93735.2%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 Hydroelectric1.6February 1940

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 Pacific Gas & Electric Co. 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 Phoenix

More plants operated by Pacific Gas & Electric Co.

Questions about Phoenix

How much power does Phoenix produce?

Phoenix reported 4,937 MWh (4.94 GWh) of net generation in 2025, a 35.2% capacity factor on 1.6 MW of nameplate capacity.

Where is Phoenix?

Phoenix is in Tuolumne County, California, at 38.0321, −120.3265. It is in the California Independent System Operator balancing area (CISO).

Who operates Phoenix?

EIA-860M for August 2026 lists Pacific Gas & Electric Co. as the operator (EIA operator ID 14328). The operator is not always the owner.

When did Phoenix start operating?

Its first generator began operating in February 1940, according to EIA-860M.

Does InfraMap have power prices for Phoenix?

Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Phoenix, 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

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