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Daily UK grid report
UK Electricity Grid Daily Report — 22 August 2026

On 22 August 2026, Britain’s electricity grid averaged 27.15 GW of grid demand, with renewables averaging 62.0% of tracked domestic generation and carbon intensity averaging 140 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.15 GW

Average grid demand for this UK day.

Peak demand 31.92 GW

Highest 15-minute grid demand period.

Avg carbon 140 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.0 %

Average renewable share of tracked generation.

Average grid demandDemand
27.15 GWFull-day average from available snapshots
↓ −2.58 GW vs yesterday
Peak demand11:00
31.92 GWHighest 15-minute grid demand period
↓ −2.98 GW vs yesterday
Lowest demand05:45
21.00 GWLowest 15-minute grid demand period
↓ −2.47 GW vs yesterday
Domestic generationSupply
20.56 GWTracked UK generation sources only
↓ −5.06 GW vs yesterday
Average carbonCO₂
140 gCO₂/kWhCarbon intensity average
↓ −19 g vs yesterday
Renewable shareClean
62.0 %Wind, solar, hydro and biomass
↑ +12.2 pts vs yesterday
Clean share+ Nuclear
83.6 %Renewables plus nuclear
↑ +16.5 pts vs yesterday
Net importsFlow
5.88 GWAverage imports minus exports
↑ +3.40 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 August 2026, Britain’s electricity grid averaged 27.15 GW of grid demand, with renewables averaging 62.0% of tracked domestic generation and carbon intensity averaging 140 gCO₂/kWh.

The highest demand period was 31.92 GW at 11:00, while the lowest carbon intensity period was 65 gCO₂/kWh at 04:30.

Key records for 22 August 2026

Highest wind9.38 GW03:00
Highest solar12.02 GW11:30
Highest gas5.19 GW21:00
Lowest carbon65 gCO₂/kWh04:30
Highest imports8.86 GW17:00
Highest exports1.68 GW06:45

Daily chart

Demand, generation and carbon intensity

22 August 2026

Generation mix

Wind, solar, gas and interconnector flow