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Daily UK grid report
UK Electricity Grid Daily Report — 28 April 2026

On 28 April 2026, Britain’s electricity grid averaged 31.41 GW of grid demand, with renewables averaging 60.3% of tracked domestic generation and carbon intensity averaging 133 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.41 GW

Average grid demand for this UK day.

Peak demand 37.28 GW

Highest 15-minute grid demand period.

Avg carbon 133 gCO₂/kWh

Average carbon intensity where available.

Renewables 60.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.41 GWFull-day average from available snapshots
↑ +0.91 GW vs yesterday
Peak demand14:00
37.28 GWHighest 15-minute grid demand period
↑ +1.86 GW vs yesterday
Lowest demand04:45
23.06 GWLowest 15-minute grid demand period
↓ −1.57 GW vs yesterday
Domestic generationSupply
24.47 GWTracked UK generation sources only
↑ +0.01 GW vs yesterday
Average carbonCO₂
133 gCO₂/kWhCarbon intensity average
↓ −63 g vs yesterday
Renewable shareClean
60.3 %Wind, solar, hydro and biomass
↑ +19.0 pts vs yesterday
Clean share+ Nuclear
81.9 %Renewables plus nuclear
↑ +19.1 pts vs yesterday
Net importsFlow
6.10 GWAverage imports minus exports
↑ +1.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 April 2026, Britain’s electricity grid averaged 31.41 GW of grid demand, with renewables averaging 60.3% of tracked domestic generation and carbon intensity averaging 133 gCO₂/kWh.

The highest demand period was 37.28 GW at 14:00, while the lowest carbon intensity period was 95 gCO₂/kWh at 15:00.

Key records for 28 April 2026

Highest wind11.56 GW21:00
Highest solar10.72 GW14:30
Highest gas5.27 GW09:30
Lowest carbon95 gCO₂/kWh15:00
Highest imports7.89 GW09:00
Highest exports2.54 GW05:00

Daily chart

Demand, generation and carbon intensity

28 April 2026

Generation mix

Wind, solar, gas and interconnector flow