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Where Vermont Gets Its Electricity

Net generation by source · 12-month average, September 2025 – August 2026.

Renewable
99.4%
1st highest of the 50 states and DC
Carbon-free
99.4%
Renewables plus nuclear
Largest source
Hydro
51.0%

Generation mix

Vermont electricity generation by source, September 2025 – August 2026
SourceShareGeneration
Natural gas0.1%1 GWh
Coal0.0%0 GWh
Nuclear0.0%0 GWh
Wind17.3%357 GWh
Solar11.3%233 GWh
Hydro51.0%1,052 GWh
Other20.4%420 GWh

2.1 TWh generated over the 12 months to August 2026. Shares are of net generation within Vermont, which is not the same as what the state consumes — power crosses state lines.

Counting rooftop solar

Utility-scale solar
11.3%
Including rooftop
26.2%

EIA reports small-scale solar — mostly rooftop panels on homes and businesses — separately, and leaves it out of the state generation total that the mix above is a share of. Vermont generated 418 GWh that way. Counting it on both sides of the ratio takes solar from 11.3% to 26.2%.

How the mix has shifted since 2001

0%25%50%75%100%WindSolarHydroOther200120062011201520202025
Share of generation by source in 2001 and 2025
Source20012025Change
Natural gas0.2%0.0%−0.2 pts
Coal0.0%0.0%—
Nuclear76.1%0.0%−76.1 pts
Wind0.2%17.0%+16.8 pts
Solar0.0%10.5%+10.5 pts
Hydro16.1%53.4%+37.3 pts
Other7.3%19.1%+11.8 pts

Compared with the U.S. and nearby states

WhereRenewableCarbon-freeLargest source
Vermont99.4%99.4%Hydro 51.0%
U.S. average25.4%43.0%Natural gas 40.9%
New York29.0%49.5%Natural gas
Massachusetts23.9%23.9%Natural gas
New Hampshire12.9%65.6%Nuclear

Vermont's generation mix in context

Hydroelectric generation supplied 51% of Vermont's electricity from September 2025 to August 2026, making it by far the largest source. Wind contributed 17.3%, and solar accounted for 11.3% of utility-scale generation, or 26.2% when rooftop solar is included. Together, renewables made up 99.4% of the state's generation, matching its carbon-free share. This renewable share ranks first of the 50 states and DC with generation data, and solar ranks tenth.

The energy mix has shifted dramatically since 2001. Nuclear power, which supplied 76.1% in 2001, has been entirely phased out. Hydroelectric generation rose from 16.1% in 2001 to 53.4% in 2025, while wind grew from 0.2% to 17%, and solar emerged from nothing to 10.5% in 2025. Gas fell from 0.2% to zero, and other sources grew from 7.3% to 19.1%.

Vermont's renewable generation far exceeds the national average of 25.4%. All three of its bordering states—New York, Massachusetts, and New Hampshire—rely far more heavily on fossil fuels and nuclear power, with renewable shares of 29%, 23.9%, and 12.9% respectively. Nationally, natural gas is the largest source at 40.9%, while coal supplies 15.4% and nuclear 17.6%, making Vermont's generation profile fundamentally different from the country as a whole.

Written from the EIA figures on this page, covering data through August 2026.

Frequently asked questions

›What percentage of Vermont's electricity comes from renewable energy?
99.4% of the electricity generated in Vermont comes from renewable sources — wind, solar, hydro, geothermal and biomass — over the 12 months to August 2026. That compares with 25.4% nationally. Counting nuclear as well, 99.4% of Vermont's generation is carbon-free.
›What percentage of Vermont's power comes from solar?
Utility-scale solar farms supply 11.3% of Vermont's electricity generation. Adding small-scale rooftop solar, which EIA reports separately and leaves out of the state total, takes it to 26.2%. Nationally, utility-scale solar is 7.6%.
›Where does Vermont get most of its electricity?
Hydro is the largest single source of electricity generated in Vermont, at 51.0% of the total. The rest breaks down as wind 17.3%, solar 11.3%, other 20.4%.
›Does Vermont still burn coal for electricity?
Effectively no. Coal accounts for 0.0% of electricity generated in Vermont, against 15.4% nationally.
›Is Vermont getting greener?
Renewables have gone from 23.1% of Vermont's generation in 2001 to 99.1% in 2025, a rise of 76.0 percentage points. Over the same period coal went from 0.0% to 0.0% and natural gas from 0.2% to 0.0%.

How this is measured

Figures are net generation reported to the U.S. Energy Information Administration for all sectors — utilities, independent power producers, and industrial and commercial plants that generate their own power. Shares are of the 12 months to August 2026, rather than a single month, because generation is strongly seasonal: solar peaks in summer and hydro with the spring melt, so one month says more about the weather than about the grid.

“Other” is the reported total minus the six named sources, so the shares add to exactly 100%. It holds geothermal, biomass, petroleum, other gases, and pumped storage — the last of which consumes more electricity than it returns, and so can be negative. Geothermal and biomass are renewable, which is why the renewable share above is slightly larger than wind, solar and hydro added together.

This is generation, not consumption. Electricity crosses state lines freely, so a state can generate more than it uses or rely on imports for a large part of its supply; neither shows up here.