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Daily UK grid report
UK Electricity Grid Today — 13 May 2026

On 13 May 2026, Britain’s electricity grid averaged 28.62 GW of grid demand, with renewables averaging 57.4% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.62 GW

Average grid demand for this UK day.

Peak demand 34.51 GW

Highest 15-minute grid demand period.

Avg carbon 95 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.4 %

Average renewable share of tracked generation.

Average grid demandDemand
28.62 GWFull-day average from available snapshots
↓ −0.24 GW vs yesterday
Peak demand18:15
34.51 GWHighest 15-minute grid demand period
↑ +1.35 GW vs yesterday
Lowest demand04:45
21.46 GWLowest 15-minute grid demand period
↓ −0.16 GW vs yesterday
Domestic generationSupply
23.13 GWTracked UK generation sources only
↓ −0.62 GW vs yesterday
Average carbonCO₂
95 gCO₂/kWhCarbon intensity average
↑ +20 g vs yesterday
Renewable shareClean
57.4 %Wind, solar, hydro and biomass
↓ −6.1 pts vs yesterday
Clean share+ Nuclear
72.6 %Renewables plus nuclear
↓ −5.9 pts vs yesterday
Net importsFlow
5.28 GWAverage imports minus exports
↑ +0.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 May 2026, Britain’s electricity grid averaged 28.62 GW of grid demand, with renewables averaging 57.4% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh.

The highest demand period was 34.51 GW at 18:15, while the lowest carbon intensity period was 66 gCO₂/kWh at 12:30.

Key records for 13 May 2026

Highest wind9.50 GW00:15
Highest solar7.67 GW14:00
Highest gas11.38 GW19:15
Lowest carbon66 gCO₂/kWh12:30
Highest imports7.09 GW13:00
Highest exports1.61 GW05:15

Daily chart

Demand, generation and carbon intensity

13 May 2026

Generation mix

Wind, solar, gas and interconnector flow