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100 MW Solar operating in Pinal, AZ — Salt River Project
100 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
32.8299, -111.5930
County
Pinal, 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 | Foster Clean Power A LLC | AES | — |
| Owner(s) | West Line Solar, LLC | AES | — |
| Status | Operating | operating | — |
West Line Solar, LLC is a 100 MW solar photovoltaic power plant located in Pinal County, Arizona. The plant began operating in 2022 and has one generator. It is owned and operated by West Line Solar, LLC, a subsidiary of AES. The plant utilizes single-axis solar tracking technology. It is interconnected to the Salt River Project balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, West Line Solar generated 258,633 MWh of electricity, achieving a capacity factor of 29.5%. West Line Solar is ranked as the 19th largest solar plant in Arizona out of 23, and 608th nationally out of 639. The plant has a reported power purchase agreement (PPA) price of $19.77 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
13.6K MWh
Latest Month
258.6K MWh
Annual Generation
29.5%
Capacity Factor
Data from 2022–2024
$12.0/MWh
Energy Value
$23.7/MWh
Capacity Value
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-14
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ask pi about West Line Solar, LLCSalt River Project (SRP)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
—
Sector
IPP Non-CHP