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Daily UK grid report
UK Electricity Grid Daily Report — 12 January 2023

On 12 January 2023, Britain’s electricity grid averaged 34.60 GW of grid demand, with renewables averaging 66.7% of tracked domestic generation and carbon intensity averaging 69 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.60 GW

Average grid demand for this UK day.

Peak demand 42.54 GW

Highest 15-minute grid demand period.

Avg carbon 69 gCO₂/kWh

Average carbon intensity where available.

Renewables 66.7 %

Average renewable share of tracked generation.

Average grid demandDemand
34.60 GWFull-day average from available snapshots
↓ −1.61 GW vs yesterday
Peak demand17:00
42.54 GWHighest 15-minute grid demand period
↓ −1.26 GW vs yesterday
Lowest demand04:30
24.07 GWLowest 15-minute grid demand period
↓ −3.77 GW vs yesterday
Domestic generationSupply
29.95 GWTracked UK generation sources only
↓ −2.46 GW vs yesterday
Average carbonCO₂
69 gCO₂/kWhCarbon intensity average
↑ +3 g vs yesterday
Renewable shareClean
66.7 %Wind, solar, hydro and biomass
↓ −3.2 pts vs yesterday
Clean share+ Nuclear
84.1 %Renewables plus nuclear
↓ −1.8 pts vs yesterday
Net importsFlow
5.12 GWAverage imports minus exports
↑ +2.31 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 January 2023, Britain’s electricity grid averaged 34.60 GW of grid demand, with renewables averaging 66.7% of tracked domestic generation and carbon intensity averaging 69 gCO₂/kWh.

The highest demand period was 42.54 GW at 17:00, while the lowest carbon intensity period was 53 gCO₂/kWh at 02:30.

Key records for 12 January 2023

Highest wind20.43 GW16:30
Highest solar1.10 GW14:00
Highest gas6.24 GW08:00
Lowest carbon53 gCO₂/kWh02:30
Highest imports6.99 GW09:00
Highest exports0.79 GW02:15

Daily chart

Demand, generation and carbon intensity

12 January 2023

Generation mix

Wind, solar, gas and interconnector flow