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Daily UK grid report
UK Electricity Grid Daily Report — 23 March 2026

On 23 March 2026, Britain’s electricity grid averaged 34.66 GW of grid demand, with renewables averaging 44.1% of tracked domestic generation and carbon intensity averaging 175 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.66 GW

Average grid demand for this UK day.

Peak demand 41.56 GW

Highest 15-minute grid demand period.

Avg carbon 175 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.1 %

Average renewable share of tracked generation.

Average grid demandDemand
34.66 GWFull-day average from available snapshots
↑ +4.09 GW vs yesterday
Peak demand19:00
41.56 GWHighest 15-minute grid demand period
↑ +4.15 GW vs yesterday
Lowest demand04:15
26.34 GWLowest 15-minute grid demand period
↑ +2.44 GW vs yesterday
Domestic generationSupply
29.27 GWTracked UK generation sources only
↑ +6.18 GW vs yesterday
Average carbonCO₂
175 gCO₂/kWhCarbon intensity average
↑ +9 g vs yesterday
Renewable shareClean
44.1 %Wind, solar, hydro and biomass
↓ −6.1 pts vs yesterday
Clean share+ Nuclear
59.6 %Renewables plus nuclear
↓ −10.0 pts vs yesterday
Net importsFlow
3.64 GWAverage imports minus exports
↓ −3.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 March 2026, Britain’s electricity grid averaged 34.66 GW of grid demand, with renewables averaging 44.1% of tracked domestic generation and carbon intensity averaging 175 gCO₂/kWh.

The highest demand period was 41.56 GW at 19:00, while the lowest carbon intensity period was 70 gCO₂/kWh at 23:30.

Key records for 23 March 2026

Highest wind18.94 GW23:30
Highest solar8.50 GW11:00
Highest gas14.83 GW06:30
Lowest carbon70 gCO₂/kWh23:30
Highest imports7.90 GW10:45
Highest exports3.92 GW05:00

Daily chart

Demand, generation and carbon intensity

23 March 2026

Generation mix

Wind, solar, gas and interconnector flow