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Great Britain's grid, Saturday, 19 September 2026
Wind, solar and hydro averaged over the day, against 16% from gas, coal and oil and 14% from nuclear, at an average carbon intensity of 61 gCO2/kWh. GB transmission data from NESO, Elexon and Sheffield Solar.
RENEWABLES AHEAD OF FOSSIL FUELS
78%renewables
of demand from wind, solar and hydro · fossil fuels 16% · nuclear 14% · 61 gCO2/kWh
AVERAGE OUTPUT · GREENEST HOUR 12:00 AT 39 GCO2/KWH
Wind16.7 GW
Solar1.9 GW
Gas4.0 GW
Nuclear3.3 GW
Imports-2.5 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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