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Daily UK grid report
UK Electricity Grid Daily Report — 29 December 2022

On 29 December 2022, Britain’s electricity grid averaged 32.14 GW of grid demand, with renewables averaging 68.6% of tracked domestic generation and carbon intensity averaging 51 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.14 GW

Average grid demand for this UK day.

Peak demand 39.79 GW

Highest 15-minute grid demand period.

Avg carbon 51 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.6 %

Average renewable share of tracked generation.

Average grid demandDemand
32.14 GWFull-day average from available snapshots
↑ +0.93 GW vs yesterday
Peak demand17:15
39.79 GWHighest 15-minute grid demand period
↑ +1.21 GW vs yesterday
Lowest demand05:30
26.01 GWLowest 15-minute grid demand period
↑ +2.37 GW vs yesterday
Domestic generationSupply
29.58 GWTracked UK generation sources only
↑ +1.89 GW vs yesterday
Average carbonCO₂
51 gCO₂/kWhCarbon intensity average
↓ −14 g vs yesterday
Renewable shareClean
68.6 %Wind, solar, hydro and biomass
↑ +4.7 pts vs yesterday
Clean share+ Nuclear
88.0 %Renewables plus nuclear
↑ +3.4 pts vs yesterday
Net importsFlow
1.69 GWAverage imports minus exports
↓ −1.18 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 December 2022, Britain’s electricity grid averaged 32.14 GW of grid demand, with renewables averaging 68.6% of tracked domestic generation and carbon intensity averaging 51 gCO₂/kWh.

The highest demand period was 39.79 GW at 17:15, while the lowest carbon intensity period was 37 gCO₂/kWh at 15:00.

Key records for 29 December 2022

Highest wind20.30 GW15:30
Highest solar2.54 GW12:00
Highest gas3.48 GW17:30
Lowest carbon37 gCO₂/kWh15:00
Highest imports6.10 GW17:15
Highest exports4.21 GW04:00

Daily chart

Demand, generation and carbon intensity

29 December 2022

Generation mix

Wind, solar, gas and interconnector flow