Summary of Electricity Activity in Merrimack County, NH
Summary of Merrimack County, NH Generation
Merrimack County, NH is ranked #1,152 out of 2,156 U.S. counties nationwide and #4 out of 9 New Hampshire counties in terms of total annual net electricity generation.
| Annual Generation | 333.0 GWh |
|---|---|
| Annual Consumption | 4.2 M MMBtu |
| Last Update | Mar 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
122.1 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#229 /522 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 | #1152 / 2156 | 332.98 GWh | 4.17 M MMBtu |
| Water | #3 / 7 | #229 / 522 | 122.10 GWh | 472.99 k MMBtu |
| Bituminous Coal | #1 / 1 | #71 / 106 | 113.12 GWh | 1.56 M MMBtu |
| NON-Biogenic Municipal Solid Waste | #1 / 1 | #35 / 48 | 52.17 GWh | 1.15 M MMBtu |
| Biogenic Municipal Solid Waste | #1 / 1 | #35 / 48 | 42.68 GWh | 937.20 k MMBtu |
| Jet Fuel | #1 / 3 | #2 / 8 | 2.82 GWh | 46.93 k MMBtu |
| Distillate Fuel Oil | #5 / 5 | #535 / 726 | 93.82 MWh | 1.37 k MMBtu |
Power Plants in Merrimack County, NH
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Merrimack | Granite Shore Power | 116.0 GWh | 1.6 M MMBtu | Bituminous Coal : 97.5% Jet Fuel : 2.4% |
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | 94.9 GWh | 2.1 M MMBtu | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Garvins Falls | Central Rivers Power NH, LLC | 30.9 GWh | 122.7 k MMBtu | Water |
| Eastman Falls | Central Rivers Power NH, LLC | 24.3 GWh | 95.0 k MMBtu | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | 17.3 GWh | 69.3 k MMBtu | Water |
| Penacook Lower Falls | Briar-Hydro Associates | 16.6 GWh | 57.1 k MMBtu | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | 11.6 GWh | 46.4 k MMBtu | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | 7.4 GWh | 28.6 k MMBtu | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | 5.9 GWh | 23.0 k MMBtu | Water |
| Hooksett | Central Rivers Power NH, LLC | 5.3 GWh | 20.4 k MMBtu | Water |
| China Mill Hydro | New Hampshire Hydro Associates | 2.8 GWh | 10.5 k MMBtu | Water |
| EHC West Hopkinton | Green Mountain Power Corp | 0.0 Wh | 0 MMBtu | No Information Available |
| 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 |
|---|---|---|---|
| #1864 | Belknap County | 12.3 GWh | 2 |
| #2102 | Carroll County | 484.0 MWh | 3 |
| #714 | Grafton County | 1.0 TWh | 12 |
| #1303 | Hillsborough County | 203.0 GWh | 11 |
| #38 | Rockingham County | 17.0 TWh | 6 |
| #1479 | Strafford County | 105.7 GWh | 6 |
| #1493 | Sullivan County | 101.4 GWh | 6 |
| #956 | Windham County | 527.8 GWh | 9 |
| #1283 | Windsor County | 217.3 GWh | 10 |
| #1223 | York County | 259.7 GWh | 22 |
Electricity Generation for Cities Located in Merrimack County, NH
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #9 | Concord, NH | 140.3 GWh | 4 |
| #21 | Franklin, NH | 30.2 GWh | 3 |
| #30 | Hooksett, NH | 5.3 GWh | 1 |
| #20 | New London, NH | 33.1 GWh | 2 |
| #8 | Suncook, NH | 157.1 GWh | 4 |