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Daily UK grid report
UK Electricity Grid Daily Report — 2 May 2025

On 2 May 2025, Britain’s electricity grid averaged 29.65 GW of grid demand, with renewables averaging 51.8% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.65 GW

Average grid demand for this UK day.

Peak demand 35.27 GW

Highest 15-minute grid demand period.

Avg carbon 129 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.8 %

Average renewable share of tracked generation.

Average grid demandDemand
29.65 GWFull-day average from available snapshots
↓ −1.07 GW vs yesterday
Peak demand12:00
35.27 GWHighest 15-minute grid demand period
↓ −0.73 GW vs yesterday
Lowest demand05:00
23.47 GWLowest 15-minute grid demand period
↑ +0.26 GW vs yesterday
Domestic generationSupply
24.23 GWTracked UK generation sources only
↓ −1.22 GW vs yesterday
Average carbonCO₂
129 gCO₂/kWhCarbon intensity average
↓ −25 g vs yesterday
Renewable shareClean
51.8 %Wind, solar, hydro and biomass
↑ +5.8 pts vs yesterday
Clean share+ Nuclear
65.2 %Renewables plus nuclear
↑ +6.3 pts vs yesterday
Net importsFlow
3.86 GWAverage imports minus exports
↑ +0.07 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 May 2025, Britain’s electricity grid averaged 29.65 GW of grid demand, with renewables averaging 51.8% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh.

The highest demand period was 35.27 GW at 12:00, while the lowest carbon intensity period was 67 gCO₂/kWh at 14:30.

Key records for 2 May 2025

Highest wind8.19 GW03:00
Highest solar12.41 GW13:00
Highest gas12.65 GW21:00
Lowest carbon67 gCO₂/kWh14:30
Highest imports6.92 GW08:00
Highest exports3.17 GW04:30

Daily chart

Demand, generation and carbon intensity

2 May 2025

Generation mix

Wind, solar, gas and interconnector flow