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Daily UK grid report
UK Electricity Grid Daily Report — 4 April 2023

On 4 April 2023, Britain’s electricity grid averaged 32.44 GW of grid demand, with renewables averaging 40.9% of tracked domestic generation and carbon intensity averaging 181 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.44 GW

Average grid demand for this UK day.

Peak demand 38.47 GW

Highest 15-minute grid demand period.

Avg carbon 181 gCO₂/kWh

Average carbon intensity where available.

Renewables 40.9 %

Average renewable share of tracked generation.

Average grid demandDemand
32.44 GWFull-day average from available snapshots
↑ +0.36 GW vs yesterday
Peak demand10:00
38.47 GWHighest 15-minute grid demand period
↓ −0.58 GW vs yesterday
Lowest demand03:30
24.00 GWLowest 15-minute grid demand period
↑ +0.70 GW vs yesterday
Domestic generationSupply
29.56 GWTracked UK generation sources only
↑ +1.54 GW vs yesterday
Average carbonCO₂
181 gCO₂/kWhCarbon intensity average
↑ +24 g vs yesterday
Renewable shareClean
40.9 %Wind, solar, hydro and biomass
↓ −4.8 pts vs yesterday
Clean share+ Nuclear
54.7 %Renewables plus nuclear
↓ −5.0 pts vs yesterday
Net importsFlow
2.72 GWAverage imports minus exports
↓ −1.52 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 April 2023, Britain’s electricity grid averaged 32.44 GW of grid demand, with renewables averaging 40.9% of tracked domestic generation and carbon intensity averaging 181 gCO₂/kWh.

The highest demand period was 38.47 GW at 10:00, while the lowest carbon intensity period was 106 gCO₂/kWh at 13:30.

Key records for 4 April 2023

Highest wind8.42 GW21:30
Highest solar10.55 GW13:00
Highest gas17.64 GW08:30
Lowest carbon106 gCO₂/kWh13:30
Highest imports6.15 GW14:00
Highest exports2.86 GW06:00

Daily chart

Demand, generation and carbon intensity

4 April 2023

Generation mix

Wind, solar, gas and interconnector flow