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Daily UK grid report
UK Electricity Grid Daily Report — 19 December 2022

On 19 December 2022, Britain’s electricity grid averaged 36.04 GW of grid demand, with renewables averaging 63.7% of tracked domestic generation and carbon intensity averaging 86 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 36.04 GW

Average grid demand for this UK day.

Peak demand 42.89 GW

Highest 15-minute grid demand period.

Avg carbon 86 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.7 %

Average renewable share of tracked generation.

Average grid demandDemand
36.04 GWFull-day average from available snapshots
↑ +0.62 GW vs yesterday
Peak demand17:15
42.89 GWHighest 15-minute grid demand period
↓ −1.77 GW vs yesterday
Lowest demand23:30
27.82 GWLowest 15-minute grid demand period
↑ +1.50 GW vs yesterday
Domestic generationSupply
33.42 GWTracked UK generation sources only
↑ +2.34 GW vs yesterday
Average carbonCO₂
86 gCO₂/kWhCarbon intensity average
↓ −30 g vs yesterday
Renewable shareClean
63.7 %Wind, solar, hydro and biomass
↑ +5.6 pts vs yesterday
Clean share+ Nuclear
81.4 %Renewables plus nuclear
↑ +3.7 pts vs yesterday
Net importsFlow
2.07 GWAverage imports minus exports
↓ −2.63 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 December 2022, Britain’s electricity grid averaged 36.04 GW of grid demand, with renewables averaging 63.7% of tracked domestic generation and carbon intensity averaging 86 gCO₂/kWh.

The highest demand period was 42.89 GW at 17:15, while the lowest carbon intensity period was 49 gCO₂/kWh at 02:30.

Key records for 19 December 2022

Highest wind20.22 GW12:00
Highest solar0.46 GW12:30
Highest gas7.72 GW09:30
Lowest carbon49 gCO₂/kWh02:30
Highest imports5.36 GW17:15
Highest exports4.19 GW04:00

Daily chart

Demand, generation and carbon intensity

19 December 2022

Generation mix

Wind, solar, gas and interconnector flow