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Daily UK grid report
UK Electricity Grid Daily Report — 23 April 2026

On 23 April 2026, Britain’s electricity grid averaged 30.74 GW of grid demand, with renewables averaging 52.6% of tracked domestic generation and carbon intensity averaging 136 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.74 GW

Average grid demand for this UK day.

Peak demand 35.89 GW

Highest 15-minute grid demand period.

Avg carbon 136 gCO₂/kWh

Average carbon intensity where available.

Renewables 52.6 %

Average renewable share of tracked generation.

Average grid demandDemand
30.74 GWFull-day average from available snapshots
↓ −0.98 GW vs yesterday
Peak demand11:30
35.89 GWHighest 15-minute grid demand period
↓ −2.39 GW vs yesterday
Lowest demand04:15
23.60 GWLowest 15-minute grid demand period
↓ −2.27 GW vs yesterday
Domestic generationSupply
23.69 GWTracked UK generation sources only
↓ −3.29 GW vs yesterday
Average carbonCO₂
136 gCO₂/kWhCarbon intensity average
↑ +32 g vs yesterday
Renewable shareClean
52.6 %Wind, solar, hydro and biomass
↓ −13.8 pts vs yesterday
Clean share+ Nuclear
76.8 %Renewables plus nuclear
↓ −11.0 pts vs yesterday
Net importsFlow
6.61 GWAverage imports minus exports
↑ +2.35 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 April 2026, Britain’s electricity grid averaged 30.74 GW of grid demand, with renewables averaging 52.6% of tracked domestic generation and carbon intensity averaging 136 gCO₂/kWh.

The highest demand period was 35.89 GW at 11:30, while the lowest carbon intensity period was 83 gCO₂/kWh at 12:30.

Key records for 23 April 2026

Highest wind8.55 GW00:00
Highest solar15.42 GW13:00
Highest gas8.69 GW21:00
Lowest carbon83 gCO₂/kWh12:30
Highest imports7.90 GW09:30
Highest exports1.24 GW06:45

Daily chart

Demand, generation and carbon intensity

23 April 2026

Generation mix

Wind, solar, gas and interconnector flow