Sandstone Solar — Plant Summary
- EIA Plant ID
- 59634
- Capacity
- 45 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Pinal, AZ
- Operating Since
- 2015
- Generators
- 1
- Operator
- AES Distributed Energy
- Parent Company
- —
- Annual Generation
- 117,222 MWh
- Capacity Factor
- 29.6%
- Balancing Authority
- Salt River Project
- ISO/RTO
- —
- NERC Region
- WECC
Sandstone Solar
OperatingSolar
Ranked #40 of 104 Solar plants in AZ#1402 of 7447 nationally
45 MW Solar operating in Pinal, AZ — Salt River Project
EIAGEMWD
45 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2015
Operating Since
Location
Coordinates
33.0356, -111.4303
County
Pinal, AZ
Nearby Plants
- Bonnybrooke PVSolar50 MW · 8.6 km
- Brittlebush SolarSolar200 MW · 13.4 km
- Copper Crossing Energy and Research CentSolar154.2 MW · 14.2 km
Ownership & Operator
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 | AES Distributed Energy | AES Distributed Energy | — |
| Owner(s) | AES Distributed Energy | Sustainable Power Group LLC [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
OperationalSolar45 MWWest
Generation
5.8K MWh
Latest Month
117.2K MWh
Annual Generation
29.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$51.2/MWh
LCOE (Levelized Cost)
$54.0/MWh
PPA Price
$14.6/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Industry·corporate
sPower Breaks Ground on 45-megawatt Sandstone Solar Facility in Florence, AZ
sPower, a leading renewable energy provider, announced that construction has begun on its 45-megawatt (MW) Sandstone Solar project in...
sPower (developer)
SanTanValley.com·8 months ago
Industry·other
International - U.S. Energy Information Administration (EIA)
Table 1. Guyana's energy overview, 2022. Crude oil and other petroleum liquids, Natural gas, Coal, Nuclear, Hydro, Other renewables, Total...
U.S. Energy Information Administration (other)
U.S. Energy Information Administration (EIA) (.gov)·1 years ago
Industry·other
Architecture students' award-winning designs will help Hopi Tribe expand solar-powered housing, education
Jedidiah Perea, a fourth-year student in the University of Arizona College of Architecture, Planning and Landscape Architecture,...
University of Arizona College of Architecture, Planning and Landscape Architecture (other)Jedidiah Perea (other)
University of Arizona News·1 years ago
Industry·corporate
How to create a carbon-neutral Arizona
As climate risks from ongoing drought and rising urban heat continue to grow, Arizona will need to find innovative ways to significantly...
Arizona State University (ASU)·4 years ago
Last updated 2026-03-14
View all 10 articles