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Daily UK grid report
UK Electricity Grid Daily Report — 5 March 2023

On 5 March 2023, Britain’s electricity grid averaged 32.55 GW of grid demand, with renewables averaging 18.3% of tracked domestic generation and carbon intensity averaging 246 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.55 GW

Average grid demand for this UK day.

Peak demand 39.93 GW

Highest 15-minute grid demand period.

Avg carbon 246 gCO₂/kWh

Average carbon intensity where available.

Renewables 18.3 %

Average renewable share of tracked generation.

Average grid demandDemand
32.55 GWFull-day average from available snapshots
↓ −0.66 GW vs yesterday
Peak demand18:00
39.93 GWHighest 15-minute grid demand period
↑ +0.78 GW vs yesterday
Lowest demand04:30
24.94 GWLowest 15-minute grid demand period
↓ −2.34 GW vs yesterday
Domestic generationSupply
28.06 GWTracked UK generation sources only
↓ −0.95 GW vs yesterday
Average carbonCO₂
246 gCO₂/kWhCarbon intensity average
↑ +10 g vs yesterday
Renewable shareClean
18.3 %Wind, solar, hydro and biomass
↓ −3.7 pts vs yesterday
Clean share+ Nuclear
35.3 %Renewables plus nuclear
↓ −2.4 pts vs yesterday
Net importsFlow
3.88 GWAverage imports minus exports
↑ +1.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 5 March 2023, Britain’s electricity grid averaged 32.55 GW of grid demand, with renewables averaging 18.3% of tracked domestic generation and carbon intensity averaging 246 gCO₂/kWh.

The highest demand period was 39.93 GW at 18:00, while the lowest carbon intensity period was 221 gCO₂/kWh at 02:30.

Key records for 5 March 2023

Highest wind3.38 GW02:30
Highest solar2.55 GW12:00
Highest gas21.83 GW18:30
Lowest carbon221 gCO₂/kWh02:30
Highest imports7.18 GW13:00
Highest exports2.47 GW23:00

Daily chart

Demand, generation and carbon intensity

5 March 2023

Generation mix

Wind, solar, gas and interconnector flow