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Daily UK grid report
UK Electricity Grid Daily Report — 15 December 2022

On 15 December 2022, Britain’s electricity grid averaged 41.90 GW of grid demand, with renewables averaging 27.2% of tracked domestic generation and carbon intensity averaging 246 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 41.90 GW

Average grid demand for this UK day.

Peak demand 49.28 GW

Highest 15-minute grid demand period.

Avg carbon 246 gCO₂/kWh

Average carbon intensity where available.

Renewables 27.2 %

Average renewable share of tracked generation.

Average grid demandDemand
41.90 GWFull-day average from available snapshots
↑ +0.16 GW vs yesterday
Peak demand12:00
49.28 GWHighest 15-minute grid demand period
↑ +0.99 GW vs yesterday
Lowest demand23:45
33.08 GWLowest 15-minute grid demand period
↑ +0.88 GW vs yesterday
Domestic generationSupply
40.07 GWTracked UK generation sources only
↓ −0.53 GW vs yesterday
Average carbonCO₂
246 gCO₂/kWhCarbon intensity average
↓ −3 g vs yesterday
Renewable shareClean
27.2 %Wind, solar, hydro and biomass
↓ −1.4 pts vs yesterday
Clean share+ Nuclear
41.9 %Renewables plus nuclear
↓ −1.3 pts vs yesterday
Net importsFlow
0.75 GWAverage imports minus exports
↑ +1.48 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 15 December 2022, Britain’s electricity grid averaged 41.90 GW of grid demand, with renewables averaging 27.2% of tracked domestic generation and carbon intensity averaging 246 gCO₂/kWh.

The highest demand period was 49.28 GW at 12:00, while the lowest carbon intensity period was 219 gCO₂/kWh at 02:00.

Key records for 15 December 2022

Highest wind9.82 GW00:00
Highest solar4.32 GW12:00
Highest gas24.21 GW16:30
Lowest carbon219 gCO₂/kWh02:00
Highest imports5.76 GW19:00
Highest exports6.00 GW05:00

Daily chart

Demand, generation and carbon intensity

15 December 2022

Generation mix

Wind, solar, gas and interconnector flow