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347.7 MW Solar operating in Yuma, AZ
347.7 MW
Nameplate Capacity
3
Generators
units
Solar Photovoltaic
Technology
2012
Operating Since
Coordinates
32.9774, -113.4945
County
Yuma, AZ
Nearby Plants
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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 | Agua Caliente Solar | Agua Caliente Solar | — |
| Owner(s) | First Solar Project Development | Berkshire Hathaway | — |
| Status | Operating | operating | — |
The Agua Caliente Solar Project is a 290 megawatt (MWAC) photovoltaic power station, built in Yuma County, Arizona using 5.2 million cadmium telluride modules made by the U.S. thin-film manufacturer First Solar. It was the largest solar facility in the world when the project was commissioned in April 2014.
Read more on WikipediaThe Agua Caliente Solar Project is a 347.7 MW solar photovoltaic power plant located in Yuma County, Arizona. The plant began operating in 2012 and is owned by Berkshire Hathaway, with Agua Caliente Solar listed as the operator per EIA data. It consists of three generators utilizing fixed-tilt solar tracking technology. The plant 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, the plant generated 546,916 MWh of electricity, achieving a capacity factor of 17.9%. Agua Caliente Solar Project is ranked as the second-largest solar plant in Arizona out of 23, and 59th nationally out of 639. Financial data indicates a power purchase agreement (PPA) price of $233.85 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
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
500.0 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.
40.2K MWh
Latest Month
546.9K MWh
Annual Generation
17.9%
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 2014–2024
$7.8/MWh
Energy Value
$8.6/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
AGUCALG1_7_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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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