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Daily UK grid report
UK Electricity Grid Daily Report — 20 December 2022

On 20 December 2022, Britain’s electricity grid averaged 34.50 GW of grid demand, with renewables averaging 59.3% of tracked domestic generation and carbon intensity averaging 102 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.50 GW

Average grid demand for this UK day.

Peak demand 42.21 GW

Highest 15-minute grid demand period.

Avg carbon 102 gCO₂/kWh

Average carbon intensity where available.

Renewables 59.3 %

Average renewable share of tracked generation.

Average grid demandDemand
34.50 GWFull-day average from available snapshots
↓ −1.53 GW vs yesterday
Peak demand18:00
42.21 GWHighest 15-minute grid demand period
↓ −0.68 GW vs yesterday
Lowest demand04:00
26.21 GWLowest 15-minute grid demand period
↓ −1.61 GW vs yesterday
Domestic generationSupply
31.22 GWTracked UK generation sources only
↓ −2.20 GW vs yesterday
Average carbonCO₂
102 gCO₂/kWhCarbon intensity average
↑ +16 g vs yesterday
Renewable shareClean
59.3 %Wind, solar, hydro and biomass
↓ −4.4 pts vs yesterday
Clean share+ Nuclear
78.3 %Renewables plus nuclear
↓ −3.1 pts vs yesterday
Net importsFlow
3.15 GWAverage imports minus exports
↑ +1.08 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 December 2022, Britain’s electricity grid averaged 34.50 GW of grid demand, with renewables averaging 59.3% of tracked domestic generation and carbon intensity averaging 102 gCO₂/kWh.

The highest demand period was 42.21 GW at 18:00, while the lowest carbon intensity period was 55 gCO₂/kWh at 04:30.

Key records for 20 December 2022

Highest wind17.45 GW00:30
Highest solar3.65 GW12:00
Highest gas9.37 GW18:00
Lowest carbon55 gCO₂/kWh04:30
Highest imports6.32 GW09:00
Highest exports2.47 GW05:00

Daily chart

Demand, generation and carbon intensity

20 December 2022

Generation mix

Wind, solar, gas and interconnector flow