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140 MW Hydro operating in Trinity, CA — Balancing Authority of Northern California
140 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Coordinates
40.7973, -122.7626
County
Trinity, CA
Nearby Plants
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 | U S Bureau of Reclamation | US Bureau of Reclamation | — |
| Owner(s) | U S Bureau of Reclamation | US Bureau of Reclamation | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Bureau of Reclamation
This entity is not yet in the GEM ownership database — chain unavailable.
Trinity Dam is an earthfill dam on the Trinity River located about 7 miles (11 km) northeast of Weaverville, California in the United States. The dam was completed in the early 1960s as part of the federal Central Valley Project to provide irrigation water to the arid San Joaquin Valley.
Read more on WikipediaThe Trinity hydroelectric plant is located in Trinity County, California. It has a total capacity of 140 MW across two generators. The plant began operating in 1964 and is owned and operated by the U.S. Bureau of Reclamation. Trinity utilizes conventional hydroelectric technology and its primary fuel source is water (WAT).
In the most recent year with available data, Trinity generated 551,428 MWh, achieving a capacity factor of 45.1%. The plant operates within the Balancing Authority of Northern California and is part of the Western Electricity Coordinating Council (WECC) NERC region. Trinity ranks as the 27th largest power plant out of 42 in California, and 138th out of 194 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
California (non-ISO)
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
22.0K MWh
Latest Month
551.4K MWh
Annual Generation
45.1%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $321.2M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all 6 articlesNo ask pi reports yet for this entity.
ask pi about TrinityBalancing Authority of Northern California (BANC)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility