Where does our electricity come from?
In September 2026, wind made 38% of Great Britain’s electricity, gas 21% and nuclear 13%. Each kilowatt-hour released 108 grams of carbon dioxide.
What’s this?
The share of Great Britain's electricity made by wind turbines on land and at sea.
What it cannot tell you: It covers Great Britain (England, Scotland and Wales), not Northern Ireland, and shows the average over a month, so it hides big swings from hour to hour.
What’s this?
The share of Great Britain's electricity made in gas-fired power stations.
What it cannot tell you: It covers Great Britain (England, Scotland and Wales), not Northern Ireland, and shows the average over a month, so it hides big swings from hour to hour.
What’s this?
The share of Great Britain's electricity made from wind, solar, hydro, biomass and nuclear.
What it cannot tell you: It covers Great Britain (England, Scotland and Wales), not Northern Ireland, and shows the average over a month, so it hides big swings from hour to hour. Whether biomass counts as low-carbon is debated.
What’s this?
How much carbon dioxide is released, on average, for each kilowatt-hour of electricity generated in Great Britain, including imports.
What it cannot tell you: It covers Great Britain (England, Scotland and Wales), not Northern Ireland, and shows the average over a month, so it hides big swings from hour to hour.
This covers Great Britain, not Northern Ireland, and monthly averages hide big swings from hour to hour. See the full mix, the regions and the latest half hour, or compare with other countries.