Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 5 May 2025

On 5 May 2025, Britain’s electricity grid averaged 28.35 GW of grid demand, with renewables averaging 59.8% of tracked domestic generation and carbon intensity averaging 87 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.35 GW

Average grid demand for this UK day.

Peak demand 33.38 GW

Highest 15-minute grid demand period.

Avg carbon 87 gCO₂/kWh

Average carbon intensity where available.

Renewables 59.8 %

Average renewable share of tracked generation.

Average grid demandDemand
28.35 GWFull-day average from available snapshots
↑ +1.29 GW vs yesterday
Peak demand18:00
33.38 GWHighest 15-minute grid demand period
↑ +1.43 GW vs yesterday
Lowest demand03:45
22.40 GWLowest 15-minute grid demand period
↑ +0.87 GW vs yesterday
Domestic generationSupply
21.79 GWTracked UK generation sources only
↓ −0.61 GW vs yesterday
Average carbonCO₂
87 gCO₂/kWhCarbon intensity average
↑ +25 g vs yesterday
Renewable shareClean
59.8 %Wind, solar, hydro and biomass
↓ −7.8 pts vs yesterday
Clean share+ Nuclear
76.2 %Renewables plus nuclear
↓ −6.8 pts vs yesterday
Net importsFlow
5.24 GWAverage imports minus exports
↑ +1.76 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 5 May 2025, Britain’s electricity grid averaged 28.35 GW of grid demand, with renewables averaging 59.8% of tracked domestic generation and carbon intensity averaging 87 gCO₂/kWh.

The highest demand period was 33.38 GW at 18:00, while the lowest carbon intensity period was 54 gCO₂/kWh at 10:30.

Key records for 5 May 2025

Highest wind10.40 GW00:00
Highest solar8.44 GW13:30
Highest gas10.66 GW21:00
Lowest carbon54 gCO₂/kWh10:30
Highest imports7.93 GW13:15
Highest exports3.56 GW06:00

Daily chart

Demand, generation and carbon intensity

5 May 2025

Generation mix

Wind, solar, gas and interconnector flow