Horseshoe Lake — Plant Summary
- EIA Plant ID
- 2951
- Capacity
- 1232 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine
- Status
- Operating
- Location
- Oklahoma, OK
- Operating Since
- 1963
- Generators
- 6
- Operator
- Oklahoma Gas & Electric Co
- Parent Company
- —
- Annual Generation
- 614,944 MWh
- Capacity Factor
- 5.7%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Horseshoe Lake
OperatingNatural GasHybrid
Ranked #7 of 38 Natural Gas plants in OK#99 of 2009 nationally
1232 MW Natural Gas Fired Combustion Turbine (569 MW) + Natural Gas Steam Turbine (663 MW) operating in Oklahoma, OK — Southwest Power Pool
EIAWD
1,232 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1963
Operating Since
Location
Coordinates
35.5087, -97.1797
County
Oklahoma, OK
Nearby Plants
- Redbud Power PlantNatural Gas1433.6 MW · 20.1 km
- TinkerNatural Gas178.2 MW · 20.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Oklahoma Gas & Electric Co | — | — |
| Owner(s) | Oklahoma Gas & Electric Co | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Horseshoe Lake is a 1232 MW hybrid power plant located in Oklahoma County, Oklahoma. The plant, which began operating in 1963, is owned and operated by Oklahoma Gas & Electric Co. It utilizes both natural gas-fired combustion turbine and natural gas steam turbine technologies. Horseshoe Lake ranks as the 7th largest power plant in Oklahoma out of 26, and 104th nationally out of 945 plants.
The plant's latest annual generation was 614,944 MWh, resulting in a capacity factor of 5.7%. Horseshoe Lake connects to the Southwest Power Pool (SPP) balancing authority and is within the MRO NERC region. Financial data indicates an installed cost of $192.59 per kW, based on FERC filings. The plant consists of 6 generators.
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
11.1K MWh
Latest Month
614.9K MWh
Annual Generation
5.7%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$313/kW
Installed Cost
$44.2/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 confidenceMarket Position
ISO/RTO Market
SPP
LMP Node
OKGEHL8
Pricing Hub
SPP South Hub
Node Source
EIA-860 direct report
News & Articles (10)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 (other)
NWS Norman OK·5 days ago
Regulatory·rate case
Oklahoma commissioners reject OG&E rate increase for data center power plants
Oklahoma Corporation Commissioners voted 2-1 to deny OG&E's request for a rate hike to fund new power plants for data centers, prompting an...
Oklahoma Corporation Commissioners (regulator)OG&E (operator)
The Journal Record·1 weeks ago
Regulatory·rate case
OGE leverages new law for CWIP use at power plant
Oklahoma Gas and Electric Company says it should be allowed to charge customers immediately while work is underway on the massive expansion...
Oklahoma Gas and Electric Company (operator)
Oklahoma Energy Today·2 months ago
Regulatory·state puc
Hiett calls company comments 'absurd,' but multiple OG&E projects moving forward despite concerns
The Oklahoma Corporation Commission denied a motion to reverse its decision on several OG&E projects Thursday, Dec. 11, 2025.
Oklahoma Corporation Commission (regulator)OG&E (operator)
NonDoc·3 months ago
Last updated 2026-03-21
View all 10 articles