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Daily UK grid report
UK Electricity Grid Daily Report — 29 March 2023

On 29 March 2023, Britain’s electricity grid averaged 32.68 GW of grid demand, with renewables averaging 53.9% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.68 GW

Average grid demand for this UK day.

Peak demand 38.60 GW

Highest 15-minute grid demand period.

Avg carbon 129 gCO₂/kWh

Average carbon intensity where available.

Renewables 53.9 %

Average renewable share of tracked generation.

Average grid demandDemand
32.68 GWFull-day average from available snapshots
↓ −1.56 GW vs yesterday
Peak demand10:00
38.60 GWHighest 15-minute grid demand period
↓ −2.51 GW vs yesterday
Lowest demand04:30
23.34 GWLowest 15-minute grid demand period
↓ −1.81 GW vs yesterday
Domestic generationSupply
28.70 GWTracked UK generation sources only
↓ −1.27 GW vs yesterday
Average carbonCO₂
129 gCO₂/kWhCarbon intensity average
↓ −18 g vs yesterday
Renewable shareClean
53.9 %Wind, solar, hydro and biomass
↑ +5.3 pts vs yesterday
Clean share+ Nuclear
68.2 %Renewables plus nuclear
↑ +5.3 pts vs yesterday
Net importsFlow
4.11 GWAverage imports minus exports
↑ +0.17 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 March 2023, Britain’s electricity grid averaged 32.68 GW of grid demand, with renewables averaging 53.9% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh.

The highest demand period was 38.60 GW at 10:00, while the lowest carbon intensity period was 68 gCO₂/kWh at 23:30.

Key records for 29 March 2023

Highest wind17.77 GW15:30
Highest solar1.69 GW10:00
Highest gas13.87 GW08:00
Lowest carbon68 gCO₂/kWh23:30
Highest imports6.00 GW09:00
Highest exports0.98 GW22:45

Daily chart

Demand, generation and carbon intensity

29 March 2023

Generation mix

Wind, solar, gas and interconnector flow