Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 16 September 2026

On 16 September 2026, Britain’s electricity grid averaged 28.82 GW of grid demand, with renewables averaging 55.8% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.82 GW

Average grid demand for this UK day.

Peak demand 34.61 GW

Highest 15-minute grid demand period.

Avg carbon 110 gCO₂/kWh

Average carbon intensity where available.

Renewables 55.8 %

Average renewable share of tracked generation.

Average grid demandDemand
28.82 GWFull-day average from available snapshots
↓ −0.39 GW vs yesterday
Peak demand18:00
34.61 GWHighest 15-minute grid demand period
↓ −1.22 GW vs yesterday
Lowest demand04:45
22.45 GWLowest 15-minute grid demand period
↓ −0.76 GW vs yesterday
Domestic generationSupply
24.63 GWTracked UK generation sources only
↓ −1.84 GW vs yesterday
Average carbonCO₂
110 gCO₂/kWhCarbon intensity average
↑ +37 g vs yesterday
Renewable shareClean
55.8 %Wind, solar, hydro and biomass
↓ −10.7 pts vs yesterday
Clean share+ Nuclear
69.5 %Renewables plus nuclear
↓ −9.8 pts vs yesterday
Net importsFlow
3.02 GWAverage imports minus exports
↑ +1.75 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 16 September 2026, Britain’s electricity grid averaged 28.82 GW of grid demand, with renewables averaging 55.8% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh.

The highest demand period was 34.61 GW at 18:00, while the lowest carbon intensity period was 53 gCO₂/kWh at 06:30.

Key records for 16 September 2026

Highest wind11.58 GW00:00
Highest solar6.00 GW14:00
Highest gas10.19 GW18:45
Lowest carbon53 gCO₂/kWh06:30
Highest imports6.76 GW15:00
Highest exports3.34 GW06:45

Daily chart

Demand, generation and carbon intensity

16 September 2026

Generation mix

Wind, solar, gas and interconnector flow