Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Today — 19 September 2026

On 19 September 2026, Britain’s electricity grid averaged 25.08 GW of grid demand, with renewables averaging 69.7% of tracked domestic generation and carbon intensity averaging 54 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.08 GW

Average grid demand for this UK day.

Peak demand 25.98 GW

Highest 15-minute grid demand period.

Avg carbon 54 gCO₂/kWh

Average carbon intensity where available.

Renewables 69.7 %

Average renewable share of tracked generation.

Average grid demandDemand
25.08 GWFull-day average from available snapshots
↓ −4.45 GW vs yesterday
Peak demand00:00
25.98 GWHighest 15-minute grid demand period
↓ −8.97 GW vs yesterday
Lowest demand02:30
24.42 GWLowest 15-minute grid demand period
↑ +0.16 GW vs yesterday
Domestic generationSupply
25.38 GWTracked UK generation sources only
↓ −1.93 GW vs yesterday
Average carbonCO₂
54 gCO₂/kWhCarbon intensity average
↓ −4 g vs yesterday
Renewable shareClean
69.7 %Wind, solar, hydro and biomass
No change vs yesterday
Clean share+ Nuclear
82.8 %Renewables plus nuclear
↑ +0.9 pts vs yesterday
Net importsFlow
-4.81 GWAverage imports minus exports
↓ −4.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 September 2026, Britain’s electricity grid averaged 25.08 GW of grid demand, with renewables averaging 69.7% of tracked domestic generation and carbon intensity averaging 54 gCO₂/kWh.

The highest demand period was 25.98 GW at 00:00, while the lowest carbon intensity period was 53 gCO₂/kWh at 01:45.

Key records for 19 September 2026

Highest wind16.55 GW02:00
Highest solar0.00 GW00:00
Highest gas3.75 GW00:00
Lowest carbon53 gCO₂/kWh01:45
Highest imports0.79 GW00:45
Highest exports5.64 GW02:30

Daily chart

Demand, generation and carbon intensity

19 September 2026

Generation mix

Wind, solar, gas and interconnector flow