History · 2017

GB electricity in 2017

In 2017, Great Britain generated 300.7 TWh of electricity, at an average carbon intensity of 240 gCO₂/kWh, with wind supplying 14.7% of generation.

Generation: 300.7 TWh
Avg carbon: 240; gCO₂/kWh
Renewable share: 19.5%; wind + solar + hydro
Peak demand: 49.9 GW; 2017-01-26

Share of generation by fuel

Wind: 14.7%
Solar: 3.5%
Nuclear: 21.8%
Biomass: 4.0%
Hydro: 1.3%
Gas: 39.7%
Coal: 6.9%
Imports: 6.5%
Other: 4.1%
Low-carbon total: 42.1%

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 2017

Greenest half-hour: 64 gCO₂/kWh; 2017-10-01 23:30 UTC
Dirtiest half-hour: 425 gCO₂/kWh; 2017-01-23 08:30 UTC

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