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

On 13 May 2026, Britain’s electricity grid averaged 31.32 GW of grid demand, with renewables averaging 60.7% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.32 GW

Average grid demand for this UK day.

Peak demand 37.42 GW

Highest 15-minute grid demand period.

Avg carbon 167 gCO₂/kWh

Average carbon intensity where available.

Renewables 60.7 %

Average renewable share of tracked generation.

Average grid demandDemand
31.32 GWFull-day average from available snapshots
↓ −0.08 GW vs yesterday
Peak demand14:00
37.42 GWHighest 15-minute grid demand period
↑ +0.02 GW vs yesterday
Lowest demand05:15
23.60 GWLowest 15-minute grid demand period
↑ +0.41 GW vs yesterday
Domestic generationSupply
25.86 GWTracked UK generation sources only
↓ −0.42 GW vs yesterday
Average carbonCO₂
167 gCO₂/kWhCarbon intensity average
↑ +55 g vs yesterday
Renewable shareClean
60.7 %Wind, solar, hydro and biomass
↓ −6.4 pts vs yesterday
Clean share+ Nuclear
74.3 %Renewables plus nuclear
↓ −6.6 pts vs yesterday
Net importsFlow
5.23 GWAverage imports minus exports
↑ +0.39 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 May 2026, Britain’s electricity grid averaged 31.32 GW of grid demand, with renewables averaging 60.7% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh.

The highest demand period was 37.42 GW at 14:00, while the lowest carbon intensity period was 75 gCO₂/kWh at 05:30.

Key records for 13 May 2026

Highest wind11.70 GW00:00
Highest solar10.90 GW14:00
Highest gas11.35 GW19:00
Lowest carbon75 gCO₂/kWh05:30
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