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Great Britain's grid, Wednesday, 23 September 2026
Wind, solar and hydro averaged over the day, against 26% from gas, coal and oil and 13% from nuclear, at an average carbon intensity of 132 gCO2/kWh. GB transmission data from NESO, Elexon and Sheffield Solar.
RENEWABLES AHEAD OF FOSSIL FUELS
47%renewables
of demand from wind, solar and hydro · fossil fuels 26% · nuclear 13% · 132 gCO2/kWh
AVERAGE OUTPUT · GREENEST HOUR 13:00 AT 63 GCO2/KWH
Wind11.2 GW
Solar2.6 GW
Gas7.8 GW
Nuclear3.8 GW
Imports1.7 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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