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Daily UK grid report
UK Electricity Grid Daily Report — 23 January 2023

On 23 January 2023, Britain’s electricity grid averaged 38.30 GW of grid demand, with renewables averaging 26.0% of tracked domestic generation and carbon intensity averaging 243 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.30 GW

Average grid demand for this UK day.

Peak demand 46.06 GW

Highest 15-minute grid demand period.

Avg carbon 243 gCO₂/kWh

Average carbon intensity where available.

Renewables 26.0 %

Average renewable share of tracked generation.

Average grid demandDemand
38.30 GWFull-day average from available snapshots
↑ +3.78 GW vs yesterday
Peak demand17:30
46.06 GWHighest 15-minute grid demand period
↑ +2.46 GW vs yesterday
Lowest demand03:30
26.96 GWLowest 15-minute grid demand period
↑ +1.01 GW vs yesterday
Domestic generationSupply
35.36 GWTracked UK generation sources only
↑ +5.78 GW vs yesterday
Average carbonCO₂
243 gCO₂/kWhCarbon intensity average
↑ +52 g vs yesterday
Renewable shareClean
26.0 %Wind, solar, hydro and biomass
↓ −10.7 pts vs yesterday
Clean share+ Nuclear
40.1 %Renewables plus nuclear
↓ −14.6 pts vs yesterday
Net importsFlow
2.52 GWAverage imports minus exports
↓ −2.63 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 January 2023, Britain’s electricity grid averaged 38.30 GW of grid demand, with renewables averaging 26.0% of tracked domestic generation and carbon intensity averaging 243 gCO₂/kWh.

The highest demand period was 46.06 GW at 17:30, while the lowest carbon intensity period was 220 gCO₂/kWh at 03:00.

Key records for 23 January 2023

Highest wind6.43 GW12:30
Highest solar4.44 GW11:30
Highest gas24.34 GW18:00
Lowest carbon220 gCO₂/kWh03:00
Highest imports5.53 GW19:00
Highest exports2.47 GW07:00

Daily chart

Demand, generation and carbon intensity

23 January 2023

Generation mix

Wind, solar, gas and interconnector flow