PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/2980
EIA plant 2980
Locust Grove · Mayes · OK
Markham
Operated by Grand River Dam Authority
Published location
Where is Markham?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
36.231700, -95.182200
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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 17,324 MWh |
| 2 | 20,559 MWh |
| 3 | 9,952 MWh |
| 4 | 16,962 MWh |
| 5 | 55,605 MWh |
| 6 | 28,905 MWh |
| 7 | 6,502 MWh |
| 8 | 4,123 MWh |
| 9 | 1,328 MWh |
| 10 | 983 MWh |
| 11 | 21,243 MWh |
| 12 | 4,678 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 32.1 | OP |
| 2 | Conventional Hydroelectric | WAT | 32.1 | OP |
| 3 | Conventional Hydroelectric | WAT | 32.1 | OP |
| 4 | Conventional Hydroelectric | WAT | 32.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
2980
Sector
Electric Utility
Water source
Grand Neosho
Data edition
2024-final