Somersworth Lower Great Dam
82 Buffumsville Road, Somersworth, NH 3878Plant Summary Information
Somersworth Lower Great Dam is ranked #45 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 765.0 MWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Somersworth Lower Great Dam |
|---|---|
| Utility Name | Green Mountain Power Corp |
| Location | Strafford County, NH |
| Initial Operation Date | July 1985 |
| Last Update | Dec 2023 |
| Annual Generation | 5.0 GWh |
| Annual Consumption | 17.5 k MMBtu |
| Ranked #7,666 out of 11,835 Power Plants Nationwide | |
| Ranked #1,163 out of 1,371 Water Power Plants Nationwide | |
| Ranked #45 out of 56 New Hampshire Power Plants | |
| Ranked #25 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 2023) |
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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 Dec 2023 |
| Initial Operation Date | July 1985 |
| Annual Generation | 5.0 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 |
|---|---|---|---|
| #1153 | Lower Beaver Falls Project | Beaver Falls, NY | 5.2 GWh |
| #1154 | Messalonskee 5 | Waterville, ME | 5.1 GWh |
| #1155 | Tallassee Hydro Project | Clarke, GA | 5.1 GWh |
| #1156 | Thundermist Hydro | Providence, RI | 5.1 GWh |
| #1157 | Lake Mathews | Riverside, CA | 5.1 GWh |
| #1158 | Foothills Hydro Plant | Littleton, CO | 5.1 GWh |
| #1159 | Alice Falls Hydro Project | Keeseville, NY | 5.0 GWh |
| #1160 | Granby Hydro | Granby, CO | 5.0 GWh |
| #1161 | Yorba Linda | Yorba Linda, CA | 5.0 GWh |
| #1162 | White River (WI) | Ashland, WI | 5.0 GWh |
| #1164 | Head of U Canal Hydro Project | Jerome, ID | 4.9 GWh |
| #1165 | Heuvelton | Village of Heuvelton, NY | 4.9 GWh |
| #1166 | Emporia | Emporia, VA | 4.9 GWh |
| #1167 | Salmon Falls | South Berwick, ME | 4.9 GWh |
| #1168 | Beaver Valley Patterson Dam | Beaver Falls, PA | 4.8 GWh |
| #1169 | Kleber | Onaway, MI | 4.8 GWh |
| #1170 | Mora Drop Hydroelectric Project | Kuna, ID | 4.8 GWh |
| #1171 | Blind Canyon Hydro | Wendell, ID | 4.8 GWh |
| #1172 | Tuckasegee | Tuckasegee, NC | 4.8 GWh |
| #1173 | 45 Mile Hydroelectric Project | Culver, OR | 4.8 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 | 4.6 GWh | 20.5 mi |
| Cataract Hydro | Saco, ME | 2.0 GWh | 26 mi |
| Hampton Facility | Hampton, NH | 26.3 GWh | 21.6 mi |
| Hunt Road Solar | Amesbury, MA | 6.9 GWh | 29.7 mi |
| Kearsarge Amesbury Hybrid | Amesbury, MA | 5.1 GWh | 29 mi |
| Merrimac Solar | Merrimac, MA | 2.2 GWh | 29.9 mi |
| Milton Hydro | Milton, NH | 8.2 GWh | 12.8 mi |
| Newington | Newington, NH | 861.3 GWh | 10.3 mi |
| Newington | Newington, NH | 52.7 GWh | 10.7 mi |
| Rollinsford | Rollinsford, NH | 4.0 GWh | 1.6 mi |
| Salmon Falls | South Berwick, ME | 4.9 GWh | 2.2 mi |
| Sanford Solar | Sanford, ME | 87.8 GWh | 14.5 mi |
| Schiller | Portsmouth, NH | 776.0 MWh | 11 mi |
| Seabrook | Seabrook, NH | 10.9 TWh | 24.3 mi |
| Skelton | Dayton, ME | 137.1 GWh | 26.2 mi |
| True North | Salisbury, MA | 6.9 GWh | 28 mi |
| Turnkey Landfill Gas Recovery | Rochester, NH | 44.8 GWh | 6.4 mi |
| UNH 7.9 MW Plant | Durham, NH | 48.4 GWh | 9.2 mi |
| Wells (ME) | Wells, ME | 8.3 GWh | 11.9 mi |
| West Buxton | Buxton, ME | 35.7 GWh | 31.1 mi |