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Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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Hydro Power in New Hampshire

Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.

Hydro generation (2025)
1,353 thousand MWh
Share of state power mix
7%
National rank (hydro output)
#25
U.S. average share
5.58%

Hydro share of New Hampshire's power mix over time

2001: 6.57%2025: 7%

Year by year

YearHydro (thousand MWh)Share of state mix
20251,3537%
20241,4118.33%
20231,5929.46%
20221,2016.4%
20211,0255.96%
20201,2287.51%
20191,4628.11%
20181,3557.93%
20171,4138.1%
20161,1455.94%
20151,2706.35%
20141,3817.07%
20131,4277.22%
20121,2476.49%
20111,6058%
20101,4786.66%
20091,6808.33%
20081,6337.14%
20071,2655.44%
20061,5296.93%
20051,7997.35%
20041,3165.51%
20031,3316.16%
20021,1417.15%
20019916.57%

Source: U.S. Energy Information Administration, electric power operational data (net generation by state and energy source). "Share of state mix" is this fuel's net generation as a percentage of all in-state net generation.

Hydro Power in New Hampshire | EnergyAtlasUSA