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Great Britain's grid, Monday, 21 September 2026
Wind, solar and hydro averaged over the day, against 30% from gas, coal and oil and 12% from nuclear, at an average carbon intensity of 159 gCO2/kWh. GB transmission data from NESO, Elexon and Sheffield Solar.
RENEWABLES AHEAD OF FOSSIL FUELS
31%renewables
of demand from wind, solar and hydro · fossil fuels 30% · nuclear 12% · 159 gCO2/kWh
AVERAGE OUTPUT · GREENEST HOUR 14:00 AT 110 GCO2/KWH
Wind5.8 GW
Solar2.9 GW
Gas8.9 GW
Nuclear3.5 GW
Imports4.7 GW
NESO, Elexon and Sheffield Solar. Great Britain only; shares are of demand, averaged over the day.
24 hourly readings, drawn 00:46, 1 Oct 2026
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