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Daily UK grid report
UK Electricity Grid Daily Report — 5 April 2025

On 5 April 2025, Britain’s electricity grid averaged 29.70 GW of grid demand, with renewables averaging 67.1% of tracked domestic generation and carbon intensity averaging 59 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.70 GW

Average grid demand for this UK day.

Peak demand 35.35 GW

Highest 15-minute grid demand period.

Avg carbon 59 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.1 %

Average renewable share of tracked generation.

Average grid demandDemand
29.70 GWFull-day average from available snapshots
↓ −2.25 GW vs yesterday
Peak demand13:00
35.35 GWHighest 15-minute grid demand period
↓ −2.71 GW vs yesterday
Lowest demand04:45
25.13 GWLowest 15-minute grid demand period
↑ +1.09 GW vs yesterday
Domestic generationSupply
24.70 GWTracked UK generation sources only
↓ −2.26 GW vs yesterday
Average carbonCO₂
59 gCO₂/kWhCarbon intensity average
↓ −14 g vs yesterday
Renewable shareClean
67.1 %Wind, solar, hydro and biomass
No change vs yesterday
Clean share+ Nuclear
85.4 %Renewables plus nuclear
↑ +2.0 pts vs yesterday
Net importsFlow
3.58 GWAverage imports minus exports
↓ −0.27 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 5 April 2025, Britain’s electricity grid averaged 29.70 GW of grid demand, with renewables averaging 67.1% of tracked domestic generation and carbon intensity averaging 59 gCO₂/kWh.

The highest demand period was 35.35 GW at 13:00, while the lowest carbon intensity period was 35 gCO₂/kWh at 12:00.

Key records for 5 April 2025

Highest wind13.60 GW00:00
Highest solar13.42 GW13:00
Highest gas4.50 GW19:00
Lowest carbon35 gCO₂/kWh12:00
Highest imports7.39 GW19:00
Highest exports2.89 GW05:00

Daily chart

Demand, generation and carbon intensity

5 April 2025

Generation mix

Wind, solar, gas and interconnector flow