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

On 5 May 2023, Britain’s electricity grid averaged 29.76 GW of grid demand, with renewables averaging 42.6% of tracked domestic generation and carbon intensity averaging 155 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.76 GW

Average grid demand for this UK day.

Peak demand 35.74 GW

Highest 15-minute grid demand period.

Avg carbon 155 gCO₂/kWh

Average carbon intensity where available.

Renewables 42.6 %

Average renewable share of tracked generation.

Average grid demandDemand
29.76 GWFull-day average from available snapshots
↓ −1.52 GW vs yesterday
Peak demand12:00
35.74 GWHighest 15-minute grid demand period
↓ −1.34 GW vs yesterday
Lowest demand04:15
21.79 GWLowest 15-minute grid demand period
↓ −1.88 GW vs yesterday
Domestic generationSupply
25.91 GWTracked UK generation sources only
↓ −3.09 GW vs yesterday
Average carbonCO₂
155 gCO₂/kWhCarbon intensity average
↑ +58 g vs yesterday
Renewable shareClean
42.6 %Wind, solar, hydro and biomass
↓ −19.7 pts vs yesterday
Clean share+ Nuclear
57.1 %Renewables plus nuclear
↓ −18.5 pts vs yesterday
Net importsFlow
3.45 GWAverage imports minus exports
↑ +1.86 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 5 May 2023, Britain’s electricity grid averaged 29.76 GW of grid demand, with renewables averaging 42.6% of tracked domestic generation and carbon intensity averaging 155 gCO₂/kWh.

The highest demand period was 35.74 GW at 12:00, while the lowest carbon intensity period was 95 gCO₂/kWh at 02:00.

Key records for 5 May 2023

Highest wind12.10 GW01:00
Highest solar6.47 GW12:30
Highest gas15.12 GW20:00
Lowest carbon95 gCO₂/kWh02:00
Highest imports6.92 GW10:00
Highest exports1.06 GW22:30

Daily chart

Demand, generation and carbon intensity

5 May 2023

Generation mix

Wind, solar, gas and interconnector flow