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Daily UK grid report
UK Electricity Grid Daily Report — 26 April 2026

On 26 April 2026, Britain’s electricity grid averaged 27.84 GW of grid demand, with renewables averaging 49.8% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.84 GW

Average grid demand for this UK day.

Peak demand 33.22 GW

Highest 15-minute grid demand period.

Avg carbon 149 gCO₂/kWh

Average carbon intensity where available.

Renewables 49.8 %

Average renewable share of tracked generation.

Average grid demandDemand
27.84 GWFull-day average from available snapshots
↓ −0.12 GW vs yesterday
Peak demand18:00
33.22 GWHighest 15-minute grid demand period
↑ +1.55 GW vs yesterday
Lowest demand05:45
21.50 GWLowest 15-minute grid demand period
↓ −1.42 GW vs yesterday
Domestic generationSupply
21.23 GWTracked UK generation sources only
↑ +0.53 GW vs yesterday
Average carbonCO₂
149 gCO₂/kWhCarbon intensity average
↓ −9 g vs yesterday
Renewable shareClean
49.8 %Wind, solar, hydro and biomass
↑ +4.5 pts vs yesterday
Clean share+ Nuclear
74.9 %Renewables plus nuclear
↑ +4.1 pts vs yesterday
Net importsFlow
5.90 GWAverage imports minus exports
↓ −0.65 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 April 2026, Britain’s electricity grid averaged 27.84 GW of grid demand, with renewables averaging 49.8% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh.

The highest demand period was 33.22 GW at 18:00, while the lowest carbon intensity period was 77 gCO₂/kWh at 05:00.

Key records for 26 April 2026

Highest wind4.89 GW04:00
Highest solar13.05 GW12:30
Highest gas10.79 GW19:00
Lowest carbon77 gCO₂/kWh05:00
Highest imports7.83 GW11:45
Highest exports1.54 GW23:00

Daily chart

Demand, generation and carbon intensity

26 April 2026

Generation mix

Wind, solar, gas and interconnector flow