Oneta Energy Center
Oneta Energy Center is a 1 GW natural gas power plant in Wagoner County, Oklahoma, operated by Oneta Power LLC. EIA-860M lists 6 generating units here, inside SPP. Its units entered service between 2002 and 2003.
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
- 1,214 MW
- 1,086.4 MW net summer
- Generating units
- 6
- In service
- 2002–2003
- EIA plant ID
- 55225
Where it is
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- County
- Wagoner County, Oklahoma
- Coordinates
- 36.0119, -95.6967
- Balancing authority
- SWPP
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Oneta Power LLC
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combined Cycle
- Status
- Operating
Oneta Energy Center: FAQ
- Where is Oneta Energy Center?
- In Wagoner County, Oklahoma (OK). 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 Oneta Energy Center?
- 1 GW of nameplate capacity across 6 units, as of the EIA-860M release for 2026-07.
- Who owns Oneta Energy Center?
- EIA-860M names Oneta Power 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 Oneta Energy Center LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Oneta Power 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 "Oneta Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Oneta Energy Center still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.