Sulphur Springs — Plant Summary
- EIA Plant ID
- 60381
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Cochise, AZ
- Operating Since
- 2016
- Generators
- 1
- Operator
- MN8 Energy LLC
- Parent Company
- —
- Annual Generation
- 51,499 MWh
- Capacity Factor
- 29.3%
- Balancing Authority
- Western Area Power Administration - Desert Southwest Region
- ISO/RTO
- —
- NERC Region
- WECC
Sulphur Springs
OperatingSolar
Ranked #47 of 104 Solar plants in AZ#1743 of 7447 nationally
20 MW Solar operating in Cochise, AZ — Western Area Power Administration - Desert Southwest Region
EIAGEMWD
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Location
Coordinates
32.0666, -109.9213
County
Cochise, AZ
Nearby Plants
- Roadrunner Solar and BESSBESS470 MW · 2.5 km
- Apache StationNatural Gas826.3 MW · 2.7 km
- Apache Solar IBESS40 MW · 2.9 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 | MN8 Energy LLC | SunPower | — |
| Owner(s) | MN8 Energy LLC | SunPower Corp [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as SunPower Corp [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Sulphur Springs is a 20 MW solar photovoltaic power plant located in Cochise County, Arizona. The plant, which began operating in 2016, has a single generator and utilizes single-axis tracking technology to maximize solar energy capture. It is owned and operated by MN8 Energy LLC. Sulphur Springs is connected to the Western Area Power Administration - Desert Southwest Region balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's latest annual generation was 51,499 MWh, resulting in a capacity factor of 29.3%. Sulphur Springs ranks as the 35th largest solar plant in Arizona out of 93, and 1426th nationally out of 7108. Financial data is available for the plant from LBNL, though specific figures are not provided in this dataset.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Western Area Power Administration - Desert Southwest Region
Grid Voltage
24.9 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue2 projectsBeta
WithdrawnSolar20 MWWestLBNL
Generation
3.1K MWh
Latest Month
51.5K MWh
Annual Generation
29.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$46.7/MWh
LCOE (Levelized Cost)
$12.1/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
Arizona launches $1M geothermal resource study
Governor's Office of Resiliency funds University of Arizona research on using underground resources to help power the state's energy future.
Governor's Office of Resiliency (other)University of Arizona (other)
The University of Arizona·2 days ago
General
Arizona, other states sue EPA over repeal of greenhouse gas finding central to climate regulations
WASHINGTON — Two dozen states, along with more than a dozen cities and counties, sued the Environmental Protection Agency on Thursday,...
12News·6 days ago
General
Arizona’s water is drying up. That’s not stopping the data center rush.
Though tech companies are secretive about water usage, Arizona's 150-plus data centers and chip factories use a tiny fraction of its supply.
Grist·3 weeks ago
General
MN8 Energy inks PPA with Meta for 80 MW of solar in Pennsylvania
US independent power producer MN8 Energy LLC said on Tuesday it has signed a long-term power purchase agreement (PPA) with Meta Platforms...
Renewables Now·4 weeks ago
Last updated 2026-03-14
View all 10 articles