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88.4 MW Hydro operating in Fresno, CA — California Independent System Operator
88.4 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1913
Operating Since
Coordinates
37.2042, -119.2396
County
Fresno, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southern California Edison Co | Southern California Edison | — |
| Owner(s) | Southern California Edison Co | Edison International | — |
| Status | Operating | operating | — |
Big Creek 1 is a hydroelectric power plant located in Fresno County, California. The plant has a total capacity of 88.4 MW across four generators and began operating in 1913. It is owned by Edison International and operated by Southern California Edison Co. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Big Creek 1 operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Big Creek 1 generated 405,290 MWh of electricity, achieving a capacity factor of 52.1%. The plant's installed cost was $1,301.25 per kW. Big Creek 1 ranks as the 46th largest power plant in California out of 247 and 211th nationally out of 1464. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
40.1K MWh
Latest Month
405.3K MWh
Annual Generation
52.1%
Capacity Factor
Energy storage · Southern California Edison Company · Data from 2015–2024
$1,406/kW
Installed Cost
$9.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
CAISO
LMP Node
BCRK1-1_7_B1
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Big Creek 1California Independent System Operator (CISO)
Grid Voltage
220.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility