Arlington Valley Solar Energy I
Arlington Valley Solar Energy I is a 127 MW solar farm in Maricopa County, Arizona, operated by RWE Clean Energy. EIA-860M lists 1 generating unit here. Its unit entered service in 2026.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 127 MW
- 125 MW net summer
- Generating units
- 1
- In service
- 2026
- EIA plant ID
- 57679
Where it is
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- County
- Maricopa County, Arizona
- Coordinates
- 33.3217, -112.8806
- Balancing authority
- AZPS
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- RWE Clean Energy
- Primary energy source
- Solar
- Technologies
- Solar Photovoltaic
- Status
- Operating
Arlington Valley Solar Energy I: FAQ
- Where is Arlington Valley Solar Energy I?
- In Maricopa County, Arizona (AZ). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Arlington Valley Solar Energy I?
- 127 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Arlington Valley Solar Energy I?
- EIA-860M names RWE Clean Energy as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Arlington Valley Solar Energy I LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — RWE Clean Energy here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Arlington Valley Solar Energy I LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Arlington Valley Solar Energy I still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.