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41.9 MW Hydro operating in Butte, CA
41.9 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1963
Operating Since
Coordinates
39.5510, -121.2787
County
Butte, CA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Feather Water and Power Agency | — | — |
| Owner(s) | South Feather Water and Power Agency | — | — |
| Status | Operating | — | — |
The Forbestown hydroelectric plant is located in Butte County, California. It has a total capacity of 41.9 MW and began operating in 1963. The plant is owned and operated by the South Feather Water and Power Agency. It utilizes conventional hydroelectric technology with water (WAT) as its primary fuel source. The facility consists of a single generator.
Forbestown operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, it is ranked 70th out of 247 power plants in California and 340th out of 1464 plants nationally. The plant's latest annual generation was 128,541 MWh, achieving a capacity factor of 35.1%.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
12.8K MWh
Latest Month
128.5K MWh
Annual Generation
35.1%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $96.1M
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Point of Interconnection
Nearest Substation
Forbestown
Substation Distance
0.001 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
FORBSTWN_7_B1
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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