Arlington Valley Energy Facility
Arlington Valley Energy Facility is a 713 MW natural gas power plant in Maricopa County, Arizona, operated by Arlington Valley LLC. EIA-860M lists 3 generating units here. Its units entered service in 2002.
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
- 713 MW
- 580 MW net summer
- Generating units
- 3
- In service
- 2002
- EIA plant ID
- 55282
Where it is
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- County
- Maricopa County, Arizona
- Coordinates
- 33.3417, -112.8897
- Balancing authority
- DEAA
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Arlington Valley LLC
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combined Cycle
- Status
- Operating
Arlington Valley Energy Facility: FAQ
- Where is Arlington Valley Energy Facility?
- 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 Energy Facility?
- 713 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
- Who owns Arlington Valley Energy Facility?
- EIA-860M names Arlington Valley LLC 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 Energy Facility LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Arlington Valley LLC 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 Energy Facility 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 Energy Facility still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.