HydroOperatingCAISO

R C Kirkwood

Hydro power plant in Tuolumne County, California. 132.8 MW of nameplate capacity across 3 generators, operated by City & County of San Francisco - (CA).

Also known as Kirkwood Powerhouse · R.C. Kirkwood · RC Kirkwood · EIA plant 382

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MoccasinSierra Pacific SonoraPhoenixSpring GapR C Kirkwood20 km
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6 plants within 37 km, from EIA coordinates.

Key facts

Capacity
132.8 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
February 1967First generator online
Operator
City & County of San Francisco - (CA)EIA operator ID 16612
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
Tuolumne County, CA37.8777, −119.9532
EIA plant ID
382EIA plant page

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

How much power R C Kirkwood produces

Free · EIA-923

Net generation, 2025

400 GWh

400,304 MWh, final

Capacity factor, 2025

Not reported

2024: Not reported

January to July 2026

365 GWh

Provisional

Range, 2015 to 2025

264.7–567.5

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
2000589,076Not reported12 of 12
2001505,806Not reported12 of 12
2002547,929Not reported12 of 12
2003527,376Not reported12 of 12
2004569,793Not reported12 of 12
2005667,129Not reported12 of 12
2006638,206Not reported12 of 12
2007402,272Not reported12 of 12
2008465,352Not reported12 of 12
2009438,890Not reported12 of 12
2010557,200Not reported12 of 12
2011673,12766.5%12 of 12
2012396,62039.1%12 of 12
2013431,44742.6%12 of 12
2014312,93630.9%12 of 12
2015264,74426.2%12 of 12
2016567,48355.9%12 of 12
2017524,26651.8%12 of 12
2018437,41143.2%12 of 12
2019455,80245.0%12 of 12
2020377,75337.2%12 of 12
2021322,54131.9%12 of 12
2022394,52039.0%12 of 12
2023473,89546.8%12 of 12
2024442,001Not reported12 of 12
2025400,304Not reported12 of 12
2026 (provisional, partial year)365,39954.1%7 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 Hydroelectric45.4February 1967
2Conventional Hydroelectric45.4February 1967
3Conventional Hydroelectric42.0September 1987

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 City & County of San Francisco - (CA) as the operator, which is not always the owner.

Modeled data

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Power plants near R C Kirkwood

More plants operated by City & County of San Francisco - (CA)

Questions about R C Kirkwood

How much power does R C Kirkwood produce?

R C Kirkwood reported 400,304 MWh (400 GWh) of net generation in 2025. From January to July 2026 it reported 365 GWh, which is provisional.

Where is R C Kirkwood?

R C Kirkwood is in Tuolumne County, California, at 37.8777, −119.9532. It is in the California Independent System Operator balancing area (CISO).

Who operates R C Kirkwood?

EIA-860M for August 2026 lists City & County of San Francisco - (CA) as the operator (EIA operator ID 16612). The operator is not always the owner.

When did R C Kirkwood start operating?

Its first generator began operating in February 1967, according to EIA-860M.

Does InfraMap have power prices for R C Kirkwood?

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