347.7 MW Solar operating in Yuma, AZ — California Independent System Operator
347.7 MW
Nameplate Capacity
3
Generators
units
Solar Photovoltaic
Technology
2012
Operating Since
Coordinates
32.9774, -113.4945
County
Yuma, AZ
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 | 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
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
40.2K MWh
Latest Month
546.9K MWh
Annual Generation
17.9%
Capacity Factor
$108.4/MWh
LCOE (Levelized Cost)
$233.8/MWh
PPA Price
$7.8/MWh
Energy Value
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
Last updated 2026-03-26
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