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122.4 MW Hydro operating in Placer, CA — California Independent System Operator
122.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1966
Operating Since
Coordinates
39.0248, -120.5964
County
Placer, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Placer County Water Agency - (CA) | Placer County Water Agency | — |
| Owner(s) | Placer County Water Agency | Placer County Water Agency | — |
| Status | Operating | operating | — |
GEM identifies the owner as Placer County Water Agency
This entity is not yet in the GEM ownership database — chain unavailable.
Middle Fork is a hydroelectric power plant located in Placer County, California. The plant has a total capacity of 122.4 MW and is operated by the Placer County Water Agency. Commissioned in 1966, the facility utilizes conventional hydroelectric technology and consists of two generators. Middle Fork is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region.
In the most recent year of available data, Middle Fork generated 423,606 MWh of electricity, achieving a capacity factor of 39.7%. The plant is fueled by water (WAT) and ranks 32nd out of 42 power plants in California and 157th out of 194 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
42.3K MWh
Latest Month
423.6K MWh
Annual Generation
39.7%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $280.8M
Market Position
ISO/RTO Market
CAISO
LMP Node
MDFKRL_2_PROJCT-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Middle ForkCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility