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45 MW Solar operating in Pinal, AZ
45 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2015
Operating Since
Coordinates
33.0356, -111.4303
County
Pinal, AZ
Nearby Plants
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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 | AES Distributed Energy | AES Distributed Energy | — |
| Owner(s) | AES Distributed Energy | Sustainable Power Group LLC | — |
| Status | Operating | operating | — |
Sandstone Solar is a 45 MW solar photovoltaic power plant located in Pinal County, Arizona. The plant, which began operating in 2015, utilizes single-axis tracking technology. It is owned and operated by AES Distributed Energy. Sandstone Solar is ranked 30th out of 93 solar plants in Arizona and 1211th nationally out of 7108 plants. The plant operates within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In its latest year of reported generation, Sandstone Solar produced 117,222 MWh of electricity, achieving a capacity factor of 29.6%. Financial data indicates that the plant has a power purchase agreement (PPA) price of $53.99 per MWh.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Salt River Project (SRP)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
5.8K MWh
Latest Month
117.2K MWh
Annual Generation
29.6%
Capacity Factor
Data from 2015–2024
$14.6/MWh
Energy Value
$24.8/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 2026-03-26
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