McClain Energy Facility — Plant Summary
- EIA Plant ID
- 55457
- Capacity
- 551.3 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- McClain, OK
- Operating Since
- 2001
- Generators
- 3
- Operator
- Oklahoma Gas & Electric Co
- Parent Company
- —
- Annual Generation
- 1,375,816 MWh
- Capacity Factor
- 28.3%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
McClain Energy Facility
OperatingNatural Gas
Ranked #13 of 38 Natural Gas plants in OK#446 of 2009 nationally
551.3 MW Natural Gas operating in McClain, OK — Southwest Power Pool
EIAWD
551.3 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2001
Operating Since
Location
Coordinates
35.2977, -97.5898
County
McClain, OK
Nearby Plants
- University of OklahomaNatural Gas18.6 MW · 16.6 km
- Kingman Municipal Power and Light PlantNatural Gas19.1 MW · 16.7 km
- FrontierNatural Gas131.4 MW · 16.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Oklahoma Gas & Electric Co | — | — |
| Owner(s) | Oklahoma Gas & Electric Co, Oklahoma Municipal Power Authority | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The McClain Energy Facility is a 551.3 MW natural gas-fired combined cycle power plant located in McClain County, Oklahoma. It began operating in 2001 and is owned and operated by Oklahoma Gas & Electric Co. The facility consists of 3 generators. It operates within the Southwest Power Pool (SPP) balancing authority and the MRO NERC region.
In the most recent year of record, the McClain Energy Facility generated 1,375,816 MWh of electricity, achieving a capacity factor of 28.3%. According to available data, the plant ranks 13th out of 26 power plants in Oklahoma and 451st out of 945 plants nationally. Financial data indicates an installed cost of $687.92 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
143.4K MWh
Latest Month
1.4M MWh
Annual Generation
28.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$761/kW
Installed Cost
$26.5/MWh
Operating Cost
Oklahoma Gas and Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
McClain Substation · 138 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
OKGEMCC
Pricing Hub
SPP South Hub
Node Source
EIA-860 direct report
News & Articles (2)Beta
Hazards·wildfire
Red Flag Warning: Grant; Kay; Garfield; Noble; Blaine; Kingfisher; Logan; Payne; Caddo; Canadian; Oklahoma; Lincoln; G
Red Flag Warning issued March 21 at 12:09PM CDT until March 22 at 9:00PM CDT by NWS Norman OK
NWS Norman OK·5 days ago
Regulatory·state puc
Supreme Court rules against OGE in battle with Corporation Commission
The Oklahoma Supreme Court ruled in support of an Oklahoma Corporation Commission ruling against OG&E's attempt in 2018 to provide electrical services outside...
OG&E (other)Oklahoma Corporation Commission (regulator)
Oklahoma Energy Today·1 years ago
Last updated 2026-03-21
View all articles