PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/10817
EIA plant 10817
Port Leyden · Lewis · NY
Port Leyden Hydroelectric Project
Operated by Lyonsdale Hydroelectric Co., Inc.
Published location
Where is Port Leyden Hydroelectric Project?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.583611, -75.339167
Open the interactive map ↗Map data © OpenStreetMap contributors
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 | 578 MWh |
| 2 | 443 MWh |
| 3 | 607 MWh |
| 4 | 485 MWh |
| 5 | 362 MWh |
| 6 | 329 MWh |
| 7 | 335 MWh |
| 8 | 422 MWh |
| 9 | 230 MWh |
| 10 | 254 MWh |
| 11 | 321 MWh |
| 12 | 368 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 0.5 | OP |
| GEN2 | Conventional Hydroelectric | WAT | 0.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
10817
Sector
IPP Non-CHP
Water source
Black River
Data edition
2024-final