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

On 22 March 2026, Britain’s electricity grid averaged 30.57 GW of grid demand, with renewables averaging 50.2% of tracked domestic generation and carbon intensity averaging 166 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.57 GW

Average grid demand for this UK day.

Peak demand 37.41 GW

Highest 15-minute grid demand period.

Avg carbon 166 gCO₂/kWh

Average carbon intensity where available.

Renewables 50.2 %

Average renewable share of tracked generation.

Average grid demandDemand
30.57 GWFull-day average from available snapshots
↓ −0.36 GW vs yesterday
Peak demand18:30
37.41 GWHighest 15-minute grid demand period
↑ +1.70 GW vs yesterday
Lowest demand04:30
23.90 GWLowest 15-minute grid demand period
↓ −1.45 GW vs yesterday
Domestic generationSupply
23.09 GWTracked UK generation sources only
↓ −0.91 GW vs yesterday
Average carbonCO₂
166 gCO₂/kWhCarbon intensity average
↓ −15 g vs yesterday
Renewable shareClean
50.2 %Wind, solar, hydro and biomass
↑ +7.8 pts vs yesterday
Clean share+ Nuclear
69.6 %Renewables plus nuclear
↑ +9.8 pts vs yesterday
Net importsFlow
6.73 GWAverage imports minus exports
↑ +1.00 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 March 2026, Britain’s electricity grid averaged 30.57 GW of grid demand, with renewables averaging 50.2% of tracked domestic generation and carbon intensity averaging 166 gCO₂/kWh.

The highest demand period was 37.41 GW at 18:30, while the lowest carbon intensity period was 113 gCO₂/kWh at 10:30.

Key records for 22 March 2026

Highest wind6.54 GW03:30
Highest solar9.53 GW12:00
Highest gas13.32 GW19:00
Lowest carbon113 gCO₂/kWh10:30
Highest imports7.90 GW11:30
Highest exports1.50 GW19:45

Daily chart

Demand, generation and carbon intensity

22 March 2026

Generation mix

Wind, solar, gas and interconnector flow