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Great Britain's grid, Friday, 25 September 2026
Wind, solar and hydro averaged over the day, against 31% from gas, coal and oil and 14% from nuclear, at an average carbon intensity of 141 gCO2/kWh. GB transmission data from NESO, Elexon and Sheffield Solar.
RENEWABLES AHEAD OF FOSSIL FUELS
38%renewables
of demand from wind, solar and hydro · fossil fuels 31% · nuclear 14% · 141 gCO2/kWh
AVERAGE OUTPUT · GREENEST HOUR 01:00 AT 101 GCO2/KWH
Wind8.4 GW
Solar2.3 GW
Gas9.0 GW
Nuclear4.0 GW
Imports1.7 GW
NESO, Elexon and Sheffield Solar. Great Britain only; shares are of demand, averaged over the day.
24 hourly readings, drawn 17:31, 30 Sept 2026
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