⌁Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 26 September 2026

On 26 September 2026, Britain’s electricity grid averaged 28.46 GW of grid demand, with renewables averaging 56.9% of tracked domestic generation and carbon intensity averaging 128 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.46 GW

Average grid demand for this UK day.

Peak demand 33.60 GW

Highest 15-minute grid demand period.

Avg carbon 128 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.9 %

Average renewable share of tracked generation.

Average grid demandDemand
28.46 GWFull-day average from available snapshots
↓ −2.75 GW vs yesterday
Peak demand12:30
33.60 GWHighest 15-minute grid demand period
↓ −2.39 GW vs yesterday
Lowest demand05:30
23.00 GWLowest 15-minute grid demand period
↓ −2.12 GW vs yesterday
Domestic generationSupply
25.36 GWTracked UK generation sources only
↓ −2.29 GW vs yesterday
Average carbonCO₂
128 gCO₂/kWhCarbon intensity average
↓ −15 g vs yesterday
Renewable shareClean
56.9 %Wind, solar, hydro and biomass
↑ +6.7 pts vs yesterday
Clean share+ Nuclear
72.9 %Renewables plus nuclear
↑ +8.2 pts vs yesterday
Net importsFlow
1.72 GWAverage imports minus exports
↓ −0.12 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 September 2026, Britain’s electricity grid averaged 28.46 GW of grid demand, with renewables averaging 56.9% of tracked domestic generation and carbon intensity averaging 128 gCO₂/kWh.

The highest demand period was 33.60 GW at 12:30, while the lowest carbon intensity period was 53 gCO₂/kWh at 14:00.

Key records for 26 September 2026

Highest wind9.56 GW20:30
Highest solar12.23 GW12:30
Highest gas11.11 GW20:00
Lowest carbon53 gCO₂/kWh14:00
Highest imports7.60 GW10:00
Highest exports3.30 GW21:00

Daily chart

Demand, generation and carbon intensity

26 September 2026

Generation mix

Wind, solar, gas and interconnector flow