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23.9 MW Hydro operating in San Bernardino, CA — California Independent System Operator
23.9 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1994
Operating Since
Coordinates
34.1034, -117.5257
County
San Bernardino, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Metropolitan Water District of S CA | — | — |
| Owner(s) | Metropolitan Water District of S CA | — | — |
| Status | Operating | — | — |
The Etiwanda hydroelectric plant is located in San Bernardino County, California. It is owned and operated by the Metropolitan Water District of S CA. The plant has a total capacity of 23.9 MW from a single generator utilizing conventional hydroelectric technology. Etiwanda began operating in 1994 and is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Etiwanda generated 4,338 MWh of electricity, resulting in a capacity factor of 2.0%. The plant's primary fuel source is water (WAT). Etiwanda ranks as the 88th largest power plant in California out of 247 facilities and 451st nationally out of 1464 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
0 MWh
Latest Month
4.3K MWh
Annual Generation
2.0%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $54.8M
Market Position
ISO/RTO Market
CAISO
LMP Node
ETIWANDA_6_N008
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about EtiwandaCalifornia Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
RE — Regulated
Entity Type
State
Sector
Electric Utility