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42 MW Hydro operating in Amador, CA — California Independent System Operator
42 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1931
Operating Since
Coordinates
38.4980, -120.2181
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 | — |
| Owner(s) | Pacific Gas & Electric Co. | PG&E | — |
| Status | Operating | pre-construction | — |
Salt Springs is a 42 MW conventional hydroelectric power plant located in Amador County, California. The plant, which began operating in 1931, has two generators and is owned and operated by Pacific Gas & Electric (PG&E). Salt Springs utilizes water (WAT) as its primary fuel source. The plant 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, Salt Springs generated 107,749 MWh of electricity, achieving a capacity factor of 29.1%. The plant is ranked 69th out of 247 power plants in California and 338th nationally out of 1464 plants. Financial data indicates an installed cost of $1290.11 per kW.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
6.1K MWh
Latest Month
107.7K MWh
Annual Generation
29.1%
Capacity Factor
Hydro with storage · PACIFIC GAS AND ELECTRIC COMPANY · Data from 2015–2024
$1,348/kW
Installed Cost
$50.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
CAISO
LMP Node
SALTSP_7_UNITS-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about Salt SpringsCalifornia Independent System Operator (CISO)
Grid Voltage
60.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility