102.5 MW Hydro operating in Amador, CA — California Independent System Operator
102.5 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1948
Operating Since
Coordinates
38.3310, -120.6699
County
Amador, 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 | Pacific Gas & Electric Co. | Pacific Gas and Electric Co [100%] | — |
| Owner(s) | Pacific Gas & Electric Co. | PG&E | — |
| Status | Operating | operating | — |
The Electra hydroelectric plant is located in Amador County, California. The plant, which began operating in 1948, has a total capacity of 102.5 MW across three generators. It is owned and operated by Pacific Gas & Electric (PG&E). The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology.
In the most recent year of reported generation, Electra produced 291,434 MWh of electricity, resulting in a capacity factor of 32.4%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Electra ranks as the 41st largest of 42 hydroelectric plants in California, and 185th out of 194 nationally. Financial data indicates an installed cost of $746.67 per kW.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
30.2K MWh
Latest Month
291.4K MWh
Annual Generation
32.4%
Capacity Factor
$754/kW
Installed Cost
$18.1/MWh
Operating Cost
PACIFIC GAS AND ELECTRIC COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Electra Substation · 230 kV
Substation Distance
< 10 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
ELECTR_7_PL1X3-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
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Last updated 2026-03-26
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