Skeleton Creek Energy Center Hybrid
Skeleton Creek Energy Center Hybrid is a battery storage plant in Garfield County, Oklahoma, operated by Skeleton Creek Energy Center. Among the 605 battery storage plants in the country it is the second-largest. It is the biggest of Oklahoma’s 5 battery storage plants. Of its current capacity, 502 MW came online between 2023 and 2025. Its units draw on three kinds of energy: battery storage, solar and wind.
Nameplate capacity, 2025
752 MW
752 MW net summer capacity
3 operable units
- Battery252 MW34%
- Onshore wind250 MW33%
- Solar photovoltaic250 MW33%
Unit by unit, 2020 to 2025
operating in 2025bar height follows unit size
Unit SKC Onshore wind, 250 MW, 2020
Unit SCBAT Battery, 252 MW, 2025
Unit SCSOL Solar photovoltaic, 250 MW, 2025
Among Oklahoma’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Muskogee1,716 MW
- 2Seminole (OK)1,701 MW
- 3Northeastern1,478 MW
- 11Traverse Wind Project, LLC999 MW
- 12Green Country Power Station904 MW
- 13Skeleton Creek Energy Center Hybridthis plant
- 14Southwestern658 MW
- 15Wagon Wheel Wind598 MW
Other rankings
- All US power plants
- 442nd of 14,286
- Power plants in Oklahoma
- 13th of 143
- Plants in the Southwest Power Pool balancing area
- 28th of 713
- Biggest single unit, among Oklahoma’s plants
- 25th of 143
Operable units
By the year its oldest working unit started, it is the oldest of Oklahoma’s battery storage plants.
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| SKC | Onshore wind | 250 MW | 250 MW | 2020 | Operating |
| SCBAT | Battery | 252 MW | 252 MW | 2025 | Operating |
| SCSOL | Solar photovoltaic | 250 MW | 250 MW | 2025 | Operating |
Grid and site
- Balancing area
- Southwest Power Pool
- Reliability region
- Midwest Reliability Organization
- Highest grid connection voltage
- 345 kV
- Nearest town on record
- Carrier
- Operator type
- Independent producer
- Coordinates
- 36.521°N, 98.034°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Maverick Wind Project, LLC | Wind | 288 MW | 17.3 mi southwest |
| Breckinridge Energy Storage | Battery storage | 65 MW | 19.6 mi east |
| Breckinridge Wind Project LLC | Wind | 98.8 MW | 19.6 mi east |
| Chisholm View Wind Project | Wind | 300 MW | 20.4 mi east |
| Covington Solar Farm | Solar | 10 MW | 28.6 mi southeast |
| Armadillo Flats Wind Project, LLC | Wind | 247 MW | 30.1 mi southeast |
| King Plains Wind Project | Wind | 248 MW | 32.1 mi east |
| Grant Wind, LLC | Wind | 152 MW | 33.7 mi northeast |