Summary of Electricity Activity in Merrimack County, NH
Summary of Merrimack County, NH Generation
Merrimack County, NH is ranked #1,329 out of 2,200 U.S. counties nationwide and #4 out of 9 New Hampshire counties in terms of total annual net electricity generation.
| Annual Generation | 205.6 GWh |
|---|---|
| Annual Consumption | 2.8 M MMBtu |
| Last Update | Aug 2026 |
| Power Plants | 14 |
| Companies on File | 8 |
Map of Top Producing Plants in Merrimack County, NH
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Annual Net Generation From hydroelectric power
110.5 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#236 /538 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#3 /7 New Hampshire Counties
Monthly Net Generation for Merrimack County, NH
Monthly Plant Fuel Consumption for Merrimack County, NH
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #4 / 9 | #1329 / 2200 | 205.61 GWh | 2.82 M MMBtu |
| Water | #3 / 7 | #236 / 538 | 110.53 GWh | 416.61 k MMBtu |
| NON-Biogenic Municipal Solid Waste | #1 / 1 | #36 / 49 | 51.03 GWh | 1.11 M MMBtu |
| Biogenic Municipal Solid Waste | #1 / 1 | #36 / 49 | 41.76 GWh | 910.09 k MMBtu |
| Jet Fuel | #1 / 3 | #2 / 7 | 2.29 GWh | 38.45 k MMBtu |
Power Plants in Merrimack County, NH
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | 92.8 GWh | 2.0 M MMBtu | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Garvins Falls | Central Rivers Power NH, LLC | 24.8 GWh | 93.8 k MMBtu | Water |
| Eastman Falls | Central Rivers Power NH, LLC | 21.9 GWh | 81.9 k MMBtu | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | 16.3 GWh | 61.9 k MMBtu | Water |
| Penacook Lower Falls | Briar-Hydro Associates | 16.1 GWh | 60.4 k MMBtu | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | 11.1 GWh | 42.2 k MMBtu | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | 6.7 GWh | 24.9 k MMBtu | Water |
| Hooksett | Central Rivers Power NH, LLC | 6.3 GWh | 24.3 k MMBtu | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | 3.6 GWh | 13.4 k MMBtu | Water |
| China Mill Hydro | New Hampshire Hydro Associates | 2.6 GWh | 9.6 k MMBtu | Water |
| Merrimack | Granite Shore Power | 2.3 GWh | 376.4 k MMBtu | Jet Fuel |
| EHC West Hopkinton | Green Mountain Power Corp | 1.2 GWh | 4.2 k MMBtu | Water |
| Hopkinton Energy | Regenesis Corporation | 0.0 Wh | 0 MMBtu | No Information Available |
| Stevens Mills Hydroelectric Project | Eagle Creek RE LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1941 | Belknap County | 9.3 GWh | 2 |
| #1584 | Carroll County | 78.4 GWh | 3 |
| #780 | Grafton County | 831.6 GWh | 12 |
| #1358 | Hillsborough County | 188.1 GWh | 11 |
| #42 | Rockingham County | 16.2 TWh | 6 |
| #1529 | Strafford County | 97.0 GWh | 8 |
| #1439 | Sullivan County | 139.9 GWh | 7 |
| #1076 | Windham County | 424.3 GWh | 9 |
| #1369 | Windsor County | 177.8 GWh | 10 |
| #1198 | York County | 311.4 GWh | 26 |
Electricity Generation for Cities Located in Merrimack County, NH
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #7 | Concord, NH | 136.3 GWh | 4 |
| #35 | Contoocook, NH | 1.2 GWh | 2 |
| #23 | Franklin, NH | 25.5 GWh | 3 |
| #31 | Hooksett, NH | 6.3 GWh | 1 |
| #13 | New London, NH | 73.3 GWh | 2 |
| #20 | Suncook, NH | 36.3 GWh | 4 |