Rock Creek — Plant Summary
- EIA Plant ID
- 275
- Capacity
- 126 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Plumas, CA
- Operating Since
- 1950
- Generators
- 2
- Operator
- Pacific Gas & Electric Co.
- Parent Company
- PG&E
- Annual Generation
- 597,570 MWh
- Capacity Factor
- 54.3%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Rock Creek
OperatingHydro
Ranked #31 of 247 Hydro plants in CA#154 of 1454 nationally
126 MW Hydro operating in Plumas, CA — California Independent System Operator
EIAGEMWD
126 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1950
Operating Since
Location
Coordinates
39.9052, -121.3452
County
Plumas, CA
Nearby Plants
- Bucks CreekHydro66 MW · 1.6 km
- GrizzlyHydro22 MW · 5.9 km
- CrestaHydro73.8 MW · 10.4 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Pacific Gas & Electric Co. | Pacific Gas and Electric | — |
| Owner(s) | Pacific Gas & Electric Co. | PG&E | — |
| Status | Operating | operating | — |
Ownership Chain
About
Rock Creek is a 126 MW hydroelectric power plant located in Plumas County, California. The plant, which began operating in 1950, utilizes conventional hydroelectric technology and consists of two generators. It is owned and operated by Pacific Gas & Electric (PG&E).
In the most recent year with available data, Rock Creek generated 597,570 MWh of electricity, resulting in a capacity factor of 54.3%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. According to available data, the installed cost of the plant was $1,549.5 per kW. Rock Creek ranks as the 31st largest power plant out of 42 in California, and 154th out of 194 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
50.9K MWh
Latest Month
597.6K MWh
Annual Generation
54.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,567/kW
Installed Cost
$11.5/MWh
Operating Cost
PACIFIC GAS AND ELECTRIC COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Rock Creek Switchyard
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
ROCKCK1_7_B1
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
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