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Daily UK grid report
UK Electricity Grid Today — 14 September 2026

On 14 September 2026, Britain’s electricity grid averaged 24.23 GW of grid demand, with renewables averaging 30.0% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 24.23 GW

Average grid demand for this UK day.

Peak demand 25.10 GW

Highest 15-minute grid demand period.

Avg carbon 187 gCO₂/kWh

Average carbon intensity where available.

Renewables 30.0 %

Average renewable share of tracked generation.

Average grid demandDemand
24.23 GWFull-day average from available snapshots
↓ −3.35 GW vs yesterday
Peak demand00:00
25.10 GWHighest 15-minute grid demand period
↓ −8.58 GW vs yesterday
Lowest demand02:30
23.70 GWLowest 15-minute grid demand period
↑ +2.61 GW vs yesterday
Domestic generationSupply
21.83 GWTracked UK generation sources only
↑ +0.80 GW vs yesterday
Average carbonCO₂
187 gCO₂/kWhCarbon intensity average
↑ +20 g vs yesterday
Renewable shareClean
30.0 %Wind, solar, hydro and biomass
↓ −5.0 pts vs yesterday
Clean share+ Nuclear
47.1 %Renewables plus nuclear
↓ −6.3 pts vs yesterday
Net importsFlow
1.17 GWAverage imports minus exports
↓ −4.03 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 14 September 2026, Britain’s electricity grid averaged 24.23 GW of grid demand, with renewables averaging 30.0% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh.

The highest demand period was 25.10 GW at 00:00, while the lowest carbon intensity period was 171 gCO₂/kWh at 01:00.

Key records for 14 September 2026

Highest wind3.72 GW01:45
Highest solar0.00 GW00:00
Highest gas11.55 GW00:00
Lowest carbon171 gCO₂/kWh01:00
Highest imports3.05 GW00:00
Highest exports1.45 GW02:00

Daily chart

Demand, generation and carbon intensity

14 September 2026

Generation mix

Wind, solar, gas and interconnector flow