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Daily UK grid report
UK Electricity Grid Daily Report — 15 January 2023

On 15 January 2023, Britain’s electricity grid averaged 33.28 GW of grid demand, with renewables averaging 55.1% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.28 GW

Average grid demand for this UK day.

Peak demand 41.31 GW

Highest 15-minute grid demand period.

Avg carbon 111 gCO₂/kWh

Average carbon intensity where available.

Renewables 55.1 %

Average renewable share of tracked generation.

Average grid demandDemand
33.28 GWFull-day average from available snapshots
↑ +1.59 GW vs yesterday
Peak demand17:30
41.31 GWHighest 15-minute grid demand period
↑ +2.34 GW vs yesterday
Lowest demand23:45
26.78 GWLowest 15-minute grid demand period
↑ +2.94 GW vs yesterday
Domestic generationSupply
30.02 GWTracked UK generation sources only
↑ +1.92 GW vs yesterday
Average carbonCO₂
111 gCO₂/kWhCarbon intensity average
↑ +55 g vs yesterday
Renewable shareClean
55.1 %Wind, solar, hydro and biomass
↓ −13.2 pts vs yesterday
Clean share+ Nuclear
72.1 %Renewables plus nuclear
↓ −14.3 pts vs yesterday
Net importsFlow
2.21 GWAverage imports minus exports
↓ −1.79 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 15 January 2023, Britain’s electricity grid averaged 33.28 GW of grid demand, with renewables averaging 55.1% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh.

The highest demand period was 41.31 GW at 17:30, while the lowest carbon intensity period was 55 gCO₂/kWh at 01:00.

Key records for 15 January 2023

Highest wind20.95 GW01:00
Highest solar3.39 GW12:30
Highest gas14.27 GW19:30
Lowest carbon55 gCO₂/kWh01:00
Highest imports6.89 GW23:30
Highest exports5.19 GW03:45

Daily chart

Demand, generation and carbon intensity

15 January 2023

Generation mix

Wind, solar, gas and interconnector flow