Somersworth Lower Great Dam
82 Buffumsville Road, Somersworth, NH 3878Plant Summary Information
Somersworth Lower Great Dam is ranked #48 out of 56 power plants in New Hampshire in terms of total annual net electricity generation.
Somersworth Lower Great Dam is comprised of 1 generator and generated 636.0 MWh during the 3-month period between March 2024 to June 2024.
| Plant Name | Somersworth Lower Great Dam |
|---|---|
| Utility Name | Green Mountain Power Corp |
| Location | Strafford County, NH |
| Initial Operation Date | July 1985 |
| Last Update | Jun 2024 |
| Annual Generation | 3.3 GWh |
| Annual Consumption | 12.3 k MMBtu |
| Ranked #9,104 out of 12,299 Power Plants Nationwide | |
| Ranked #1,212 out of 1,323 Water Power Plants Nationwide | |
| Ranked #48 out of 56 New Hampshire Power Plants | |
| Ranked #27 out of 32 New Hampshire Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
Somersworth Hydro Company, Inc. (2013 to 2017) Green Mountain Power Corp (2018 to 2024) |
Map of Somersworth Lower Great Dam
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Somersworth Lower Great Dam.
Monthly Net Generation for Somersworth Lower Great Dam
Somersworth Lower Great Dam Details
| Summary Information | |
|---|---|
| Plant Name | Somersworth Lower Great Dam (50704) |
| Plant Address | 82 Buffumsville Road, Somersworth, NH 3878 |
| Utility | Green Mountain Power Corp (7601) |
| Latitude, Longitude | 43.25111, -70.84083 |
| Generation Dates on File | Jan 2001 to Jun 2024 |
| Initial Operation Date | July 1985 |
| Annual Generation | 3.3 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 01-21-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Salmon Falls River |
| Ash Impoundment | |
| Transmission / Distribution Owner | Public Service Co of NH (15472) NH |
| Grid Voltage | 41.60 kV |
| Energy Storage | No |
Generator GEN1 Details Operating July 1985
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.3 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.2 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1985 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
Somersworth Lower Great Dam Plant Owners
| Owner Name | Address | Ownership | |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1202 | GeoBon II | Shoshone, ID | 3.5 GWh |
| #1203 | Constantine | Constantine, MI | 3.5 GWh |
| #1204 | Pittsfield Hydro | Burnham, ME | 3.5 GWh |
| #1205 | Lochmere Hydroelectric Plant | Tilton, NH | 3.5 GWh |
| #1206 | Gantt | Andalusia, AL | 3.4 GWh |
| #1207 | Deadwood Creek | Dobbins, CA | 3.4 GWh |
| #1208 | Avalon Hydropower | Mayodan, NC | 3.3 GWh |
| #1209 | Messalonskee 5 | Waterville, ME | 3.3 GWh |
| #1210 | Flambeau Crowley Rapids Project | Park Falls, WI | 3.3 GWh |
| #1211 | Hoot Lake | Fergus Falls, MN | 3.3 GWh |
| #1213 | Boltonville Hydro Associates | Boltonville, VT | 3.3 GWh |
| #1214 | Cornell Hydro | Ithaca, NY | 3.2 GWh |
| #1215 | Skookumchuck | Tenino, WA | 3.2 GWh |
| #1216 | Stairs | Salt Lake City, UT | 3.2 GWh |
| #1217 | Tenth Street | Norwich, CT | 3.2 GWh |
| #1218 | Pumpkin Hill | Lowell, ME | 3.2 GWh |
| #1219 | Newhalen | Iliamna, AK | 3.2 GWh |
| #1220 | Lake Creek Dam | Heber City, UT | 3.2 GWh |
| #1221 | Lake Lure | Lake Lure, NC | 3.2 GWh |
| #1222 | Newport Hydro Station | Newport, VA | 3.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Somersworth Lower Great Dam.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Acton | Acton, ME | 4.5 GWh | 20.5 mi |
| Cataract Hydro | Saco, ME | 28.5 GWh | 26 mi |
| Hampton Facility | Hampton, NH | 21.2 GWh | 21.6 mi |
| Lebanon CSG LLC | Lebanon, ME | 64.0 MWh | 10 mi |
| Milton Hydro | Milton, NH | 5.6 GWh | 12.8 mi |
| Newington | Newington, NH | 1.6 TWh | 10.3 mi |
| Newington | Newington, NH | 92.7 GWh | 10.7 mi |
| Quarry | North Berwick, ME | 10.4 GWh | 8.1 mi |
| Rollinsford | Rollinsford, NH | 2.3 GWh | 1.6 mi |
| Salmon Falls | South Berwick, ME | 2.6 GWh | 2.2 mi |
| Sanford -NY | Sanford, ME | 7.1 GWh | 13.4 mi |
| Sanford CGA | Sanford, ME | 230.0 MWh | 14 mi |
| Sanford Solar | Sanford, ME | 85.0 GWh | 14.5 mi |
| Schiller | Portsmouth, NH | 598.0 MWh | 11 mi |
| Seabrook | Seabrook, NH | 9.6 TWh | 24.3 mi |
| Skelton | Dayton, ME | 57.6 GWh | 26.2 mi |
| Turnkey Landfill Gas Recovery | Rochester, NH | 44.2 GWh | 6.4 mi |
| UNH 7.9 MW Plant | Durham, NH | 50.2 GWh | 9.2 mi |
| Waterboro | East Waterboro, ME | 3.3 GWh | 24.3 mi |
| Wells (ME) | Wells, ME | 6.4 GWh | 11.9 mi |