# Arlington Valley Energy Facility

CAISO asset profile · https://askthegrid.com/assets/facilities/arlington-valley-energy-facility

## Current generation inventory

EIA plant 55282 · Inventory reporting month: 2026-08.

- natural gas: 713 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T22:49:53.020309+00:00
- Filed coordinate (longitude, latitude): -112.8897, 33.3417
- OSM extract: 2026-10-09T20:21:04Z
- OSM mapped edit: 2024-06-26 20:32:50+00:00
- Map prepared: 2026-10-10T23:05:26.670945+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Arlington Valley Energy Facility is a 713 MW natural gas fired combined cycle plant in Maricopa County. Arlington Valley is a natural gas-fired combined cycle facility west of Phoenix, Arizona, about 50 miles southwest of the city and interconnected at the Palo Verde Hub. It entered commercial operation in June 2002 with two GE 7FA combustion turbines and a GE D11 steam turbine. Capital Power acquired it in 2018 from Oaktree funds for US$300 million and describes it as a 600 MW facility.

## Reviewed metrics

- **Nameplate capacity:** 713 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 55282 — plant-55282

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** Capital Power
- **Operating status:** Operating

## Related parties

- **Owner:** Arlington Valley, LLC — owner ([source](https://www.capitalpower.com))
- **Former owner / seller:** Oaktree Capital Management — former_owner ([source](https://www.oaktreecapital.com))
- **Equipment supplier:** GE — equipment_supplier ([source](https://www.ge.com))

## Sources

- [capitalpower.com](https://www.capitalpower.com/media/media_releases/capital-power-to-acquire-well-positioned-580-megawatt-contracted-natural-gas-facility-in-arizona/) — capitalpower.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/arlington-valley-energy-facility
Website: [Capital Power](https://www.capitalpower.com)

Source: Ask the Grid — https://askthegrid.com/