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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
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
20.1K MWh
Latest Month
373.6K MWh
Annual Generation
28.6%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
Data from 2016–2024
$11.1/MWh
Energy Value
$7.7/MWh
Capacity Value
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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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
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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