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148.7 MW Solar operating in Imperial, CA
148.7 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Coordinates
32.7722, -115.7793
County
Imperial, CA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | CSOLAR IV West LLC | First Solar | — |
| Owner(s) | CD Global II CSOLAR, LLC, Tenaska CSOLAR West Holdings, LLC, Tenaska CSOLAR West, LLC | Tenaska Energy | — |
| Status | Operating | operating | — |
The Tenaska Imperial Solar Energy Center West is a 150 megawatt (MW) photovoltaic power plant built in Imperial County, California. Construction began in 2014 and full commercial operation was achieved in September 2016. Power is sold to San Diego Gas & Electric on a 25-year agreement.
Read more on WikipediaImperial Solar Energy Center West is a 148.7 MW solar photovoltaic power plant located in Imperial County, California. The plant, which began operating in 2016, utilizes single-axis tracking technology. It is owned by Tenaska Energy and operated by CSOLAR IV West LLC. The plant connects to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, Imperial Solar Energy Center West generated 373,638 MWh of electricity, achieving a capacity factor of 28.6%. The plant ranks 35th out of 59 solar plants in California and 419th nationally out of 639 plants. Financial data indicates a power purchase agreement (PPA) price of $105.99 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
20.1K MWh
Latest Month
373.6K MWh
Annual Generation
28.6%
Capacity Factor
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Data from 2016–2024
$11.1/MWh
Energy Value
$7.7/MWh
Capacity Value
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Market Position
ISO/RTO Market
CAISO
LMP Node
IVWEST_2_SOLAR1-APND
Pricing Hub
TH_SP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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