PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/10237
EIA plant 10237
Harrisville · Lewis · NY
Diana Hydroelectric
Operated by EONY Generation Limited
Published location
Where is Diana Hydroelectric?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.151944, -75.321725
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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 | 987 MWh |
| 2 | 750 MWh |
| 3 | 1,111 MWh |
| 4 | 826 MWh |
| 5 | 417 MWh |
| 6 | 438 MWh |
| 7 | 839 MWh |
| 8 | 812 MWh |
| 9 | 155 MWh |
| 10 | 135 MWh |
| 11 | 411 MWh |
| 12 | 840 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 1.8 | OP |
Continue exploring
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Identity, technology and limitations
EIA plant ID
10237
Sector
IPP Non-CHP
Water source
West Branch Oswegatchie River
Data edition
2024-final