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 | West Line Solar, 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
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
13.6K MWh
Latest Month
258.6K MWh
Annual Generation
29.5%
Capacity Factor
$23.6/MWh
LCOE (Levelized Cost)
$19.8/MWh
PPA Price
$12.0/MWh
Energy Value
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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