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History · 2015

GB electricity in 2015

In 2015, Great Britain generated 304.7 TWh of electricity, at an average carbon intensity of 355.9 gCO₂/kWh, with wind supplying 10.4% of generation.

Generation
304.7 TWh
Avg carbon
355.9
gCO₂/kWh
Renewable share
14.1%
wind + solar + hydro
Peak demand
52.5 GW
2015-01-19

Share of generation by fuel

Wind
10.4%
Solar
2.4%
Nuclear
21.6%
Biomass
not tracked before Nov 2017
Hydro
1.3%
Gas
27.7%
Coal
24.4%
Other
3.7%

Yearly averages of NESO's half-hourly historic mix. Wind includes NESO's embedded estimate; "not tracked" means the national data didn't break that fuel out yet - not that none was generated.

Carbon extremes of 2015

Greenest half-hour
140 gCO₂/kWh
2015-11-16 03:30 UTC
Dirtiest half-hour
532 gCO₂/kWh
2015-03-25 06:00 UTC