U.S. RANK #44 · NH 0.06% OF U.S. GENERATION
New Hampshire Electricity Generation & Grid Mix
In 2025, New Hampshire (NH) generated 19.74 TWh of electricity (0.06% of U.S. generation, ranked #44 among U.S. states). Its #1 electricity source was Nuclear at 10.91 TWh (55.3% of state output), while low-carbon sources supplied 70.7%.
2025 Generation 19.74 TWh U.S. Rank #44
#1 Power Source Nuclear 55.3% (10.9 TWh)
Low-Carbon Share 70.7% Wind + Solar: 4.5%
Fossil Share 29.3% 5Y Gen Change: +19.6%
CO2 Intensity 169 gCO2/kWh 3.3 Mt CO2 total
2025 New Hampshire Grid Fuel Mix Breakdown (100% = 19.74 TWh)
Nuclear: 55.3% (10.91 TWh)
Natural Gas: 26.9% (5.32 TWh)
Hydroelectric: 6.8% (1.35 TWh)
Bioenergy: 4.0% (0.80 TWh)
Wind: 2.4% (0.48 TWh)
Solar: 2.1% (0.41 TWh)
GRID TELEMETRY · 2025 GENERATION MIX & 2000-2025 SERIES
70.7% Low-Carbon
New Hampshire (NH) Electricity Generation by Source (2025)
2025 Total Output: 19.74 TWh · Carbon Intensity: 169 gCO2/kWh
Nuclear
10.91 TWh 55.3% +11%
Natural Gas
5.32 TWh 26.9% +46%
Hydroelectric
1.35 TWh 6.8% +10%
Bioenergy
0.80 TWh 4.0% -8%
Wind
0.48 TWh 2.4% -9%
Solar
0.41 TWh 2.1% +156%
Coal
0.24 TWh 1.2% +86%
Oil & Other Fossil
0.23 TWh 1.2% +140%
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New Hampshire Historical Electricity Generation by Fuel (2001-2025)
| Year | Total (TWh) | Coal | Gas | Nuclear | Hydro | Wind | Solar | Clean % | gCO2/kWh |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 19.74 | 0.24 | 5.32 | 10.91 | 1.35 | 0.48 | 0.41 | 70.7% | 169 |
| 2024 | 17.30 | 0.22 | 4.42 | 9.68 | 1.41 | 0.44 | 0.36 | 72.6% | 159 |
| 2023 | 17.12 | 0.16 | 4.23 | 9.53 | 1.59 | 0.41 | 0.30 | 73.7% | 154 |
| 2022 | 19.00 | 0.31 | 4.50 | 10.92 | 1.20 | 0.48 | 0.24 | 72.1% | 167 |
| 2021 | 17.39 | 0.28 | 4.47 | 9.86 | 1.03 | 0.50 | 0.20 | 72.0% | 166 |
| 2020 | 16.51 | 0.13 | 3.64 | 9.87 | 1.23 | 0.52 | 0.16 | 76.6% | 140 |
| 2019 | 18.16 | 0.34 | 3.58 | 10.91 | 1.46 | 0.43 | 0.13 | 77.9% | 141 |
| 2018 | 17.20 | 0.66 | 2.99 | 10.06 | 1.35 | 0.41 | 0.11 | 77.4% | 154 |
| 2017 | 17.54 | 0.29 | 3.58 | 9.99 | 1.41 | 0.41 | 0.09 | 77.1% | 150 |
| 2016 | 19.34 | 0.42 | 4.74 | 10.76 | 1.15 | 0.43 | 0.05 | 72.8% | 170 |
| 2015 | 20.04 | 0.94 | 6.05 | 9.48 | 1.27 | 0.42 | 0.02 | 64.0% | 220 |
| 2014 | 19.55 | 1.31 | 4.39 | 10.17 | 1.38 | 0.41 | 0.01 | 69.1% | 203 |
| 2013 | 19.78 | 1.46 | 4.10 | 10.93 | 1.43 | 0.39 | 0.00 | 71.0% | 192 |
| 2012 | 19.22 | 1.27 | 7.05 | 8.19 | 1.25 | 0.21 | 0.00 | 56.3% | 258 |
| 2011 | 20.07 | 2.21 | 6.66 | 8.36 | 1.60 | 0.07 | 0.00 | 55.1% | 276 |
| 2010 | 22.20 | 3.08 | 5.36 | 10.91 | 1.48 | 0.08 | 0.00 | 61.4% | 256 |
| 2009 | 20.16 | 2.89 | 5.34 | 8.82 | 1.68 | 0.06 | 0.00 | 58.0% | 276 |
| 2008 | 22.88 | 3.45 | 7.07 | 9.35 | 1.63 | 0.01 | 0.00 | 53.1% | 300 |
| 2007 | 23.28 | 3.93 | 5.75 | 10.76 | 1.27 | 0.00 | 0.00 | 56.5% | 291 |
| 2006 | 22.06 | 3.89 | 6.01 | 9.40 | 1.53 | 0.00 | 0.00 | 52.9% | 308 |
| 2005 | 24.47 | 4.07 | 6.78 | 9.46 | 1.80 | 0.00 | 0.00 | 49.8% | 328 |
| 2004 | 23.88 | 4.08 | 5.40 | 10.18 | 1.32 | 0.00 | 0.00 | 51.8% | 325 |
| 2003 | 21.60 | 3.92 | 4.17 | 9.28 | 1.33 | 0.00 | 0.00 | 52.8% | 327 |
| 2002 | 15.95 | 3.72 | 0.22 | 9.29 | 1.14 | 0.00 | 0.00 | 70.8% | 250 |
| 2001 | 15.07 | 3.71 | 0.12 | 8.69 | 0.99 | 0.00 | 0.00 | 71.0% | 255 |