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Great Britain's grid, Sunday, 20 September 2026
Wind, solar and hydro averaged over the day, against 18% from gas, coal and oil and 13% from nuclear, at an average carbon intensity of 78 gCO2/kWh. GB transmission data from NESO, Elexon and Sheffield Solar.
RENEWABLES AHEAD OF FOSSIL FUELS
69%renewables
of demand from wind, solar and hydro · fossil fuels 18% · nuclear 13% · 78 gCO2/kWh
AVERAGE OUTPUT · GREENEST HOUR 11:00 AT 38 GCO2/KWH
Wind13.4 GW
Solar3.4 GW
Gas4.4 GW
Nuclear3.3 GW
Imports-0.8 GW
NESO, Elexon and Sheffield Solar. Great Britain only; shares are of demand, averaged over the day.
24 hourly readings, drawn 00:45, 1 Oct 2026
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