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126 MW Solar operating in San Bernardino, CA — California Independent System Operator
126 MW
Nameplate Capacity
1
Generators
unit
Solar Thermal without Energy Storage
Technology
2013
Operating Since
Coordinates
35.5361, -115.4516
County
San Bernardino, 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 | NRG Energy Services | NRG Energy | — |
| Owner(s) | Solar Partners II LLC | BrightSource Energy Inc | — |
| Status | Operating | operating | — |
Ivanpah 1 is a 126 MW solar thermal power plant located in San Bernardino County, California. The plant, which began operating in 2013, is owned and operated by NRG Energy Services. It utilizes solar thermal technology without energy storage, employing dual-axis solar tracking to maximize sunlight capture. Ivanpah 1 is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region.
The plant consists of one generator and primarily uses the sun as its fuel source. In its most recent year of operation, Ivanpah 1 generated 208,047 MWh of electricity, achieving a capacity factor of 18.8%. In terms of size, Ivanpah 1 ranks as the 45th largest power plant in California out of 59, and 472nd nationally out of 639 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
15.8K MWh
Latest Month
208.0K MWh
Annual Generation
18.8%
Capacity Factor
CO₂ Intensity
229 lb/MWh
NOx
0.021 lb/MWh
SO₂
2013
$3,757/kW
Est. Construction Cost
Total estimated cost: $473.3M
Point of Interconnection
Nearest Substation
Ivanpah Substation · 230 kV
Substation Distance
0 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
TOT180_7_N001
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Ivanpah 1California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
IPP Non-CHP
0.001 lb/MWh
CH₄
0.004 lb/MWh
N₂O
0.000 lb/MWh
Capacity Factor
20.7%
Annual Net Gen
229 GWh
CO₂eq
229 lb/MWh
Subregion
WECC California