History · 2019

GB electricity in 2019

In 2019, Great Britain generated 291.5 TWh of electricity, at an average carbon intensity of 189.2 gCO₂/kWh, with wind supplying 20.0% of generation.

Generation: 291.5 TWh
Avg carbon: 189.2; gCO₂/kWh
Renewable share: 25.2%; wind + solar + hydro
Peak demand: 47.1 GW; 2019-01-23

Share of generation by fuel

Wind: 20.0%
Solar: 3.9%
Nuclear: 18.1%
Biomass: 5.9%
Hydro: 1.2%
Gas: 39.3%
Coal: 2.0%
Imports: 8.6%
Other: 0.3%
Low-carbon total: 49.2%

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 2019

Greenest half-hour: 44 gCO₂/kWh; 2019-08-17 14:00 UTC
Dirtiest half-hour: 382 gCO₂/kWh; 2019-01-23 08:00 UTC

Keep exploring

2018 in review
2020 in review
History explorer
All-time records