HydroOperatingCAISO

Rock Creek

Hydro power plant in Plumas County, California. 126 MW of nameplate capacity across 2 generators, operated by Pacific Gas & Electric Co..

Also known as EIA plant 275

Analyst: free account, 1 question a day.

Bucks CreekGrizzlyCrestaBeldenPoeRock Creek10 km
Open in the map
6 plants within 23 km, from EIA coordinates.

Key facts

Capacity
126 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
March 1950First generator online
Operator
Pacific Gas & Electric Co.EIA operator ID 14328
Grid
CAISOBalancing authority CISO
Price nodes
2 CAISO nodesResource nodes with prices
Location
Plumas County, CA39.9052, −121.3452
EIA plant ID
275EIA plant page

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

How much power Rock Creek produces

Free · EIA-923

Net generation, 2025

598 GWh

597,570 MWh, final

Capacity factor, 2025

54.1%

2024: 54.4%

January to July 2026

266 GWh

Provisional

Range, 2015 to 2025

193.0–645.1

GWh a year. Low 2015, high 2019

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000625,927Not reported12 of 12
2001337,813Not reported12 of 12
2002332,104Not reported12 of 12
2003581,010Not reported12 of 12
2004478,286Not reported12 of 12
2005536,805Not reported12 of 12
2006702,335Not reported12 of 12
2007290,661Not reported12 of 12
2008261,046Not reported12 of 12
2009294,344Not reported12 of 12
2010423,64138.8%12 of 12
2011453,51341.5%12 of 12
2012190,25317.4%12 of 12
2013312,976Not reported12 of 12
2014236,93421.6%12 of 12
2015192,982Not reported12 of 12
2016346,82931.3%12 of 12
2017543,46349.2%12 of 12
2018331,93230.1%12 of 12
2019645,13658.4%12 of 12
2020302,01827.3%12 of 12
2021228,17420.7%12 of 12
2022264,50124.0%12 of 12
2023478,92643.4%12 of 12
2024601,54754.4%12 of 12
2025597,57054.1%12 of 12
2026 (provisional, partial year)265,80341.5%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
H1Conventional Hydroelectric63.0March 1950
H2Conventional Hydroelectric63.0March 1950

Ownership and offtake

Pro
Pro

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

Pro

Pro adds modeled values for this plant. Everything above stays free.

Analyst and MCP

300 analyst questions a month, plus MCP

Query Rock Creek and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.

Power plants near Rock Creek

More plants operated by Pacific Gas & Electric Co.

Questions about Rock Creek

How much power does Rock Creek produce?

Rock Creek reported 597,570 MWh (598 GWh) of net generation in 2025, a 54.1% capacity factor on 126 MW of nameplate capacity. From January to July 2026 it reported 266 GWh, which is provisional.

Where is Rock Creek?

Rock Creek is in Plumas County, California, at 39.9052, −121.3452. It is in the California Independent System Operator balancing area (CISO).

Who operates Rock Creek?

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 Rock Creek start operating?

Its first generator began operating in March 1950, according to EIA-860M.

Does InfraMap have power prices for Rock Creek?

Yes. InfraMap has CAISO day-ahead and real-time prices at 2 price nodes linked to Rock Creek, 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