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Daily UK grid report
UK Electricity Grid Daily Report — 19 March 2023

On 19 March 2023, Britain’s electricity grid averaged 28.70 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 157 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.70 GW

Average grid demand for this UK day.

Peak demand 35.34 GW

Highest 15-minute grid demand period.

Avg carbon 157 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.9 %

Average renewable share of tracked generation.

Average grid demandDemand
28.70 GWFull-day average from available snapshots
↓ −0.44 GW vs yesterday
Peak demand18:00
35.34 GWHighest 15-minute grid demand period
↑ +1.57 GW vs yesterday
Lowest demand04:30
22.24 GWLowest 15-minute grid demand period
↓ −0.80 GW vs yesterday
Domestic generationSupply
23.30 GWTracked UK generation sources only
↓ −0.03 GW vs yesterday
Average carbonCO₂
157 gCO₂/kWhCarbon intensity average
No change vs yesterday
Renewable shareClean
39.9 %Wind, solar, hydro and biomass
↑ +1.4 pts vs yesterday
Clean share+ Nuclear
57.4 %Renewables plus nuclear
↑ +1.0 pts vs yesterday
Net importsFlow
5.43 GWAverage imports minus exports
↓ −0.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 March 2023, Britain’s electricity grid averaged 28.70 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 157 gCO₂/kWh.

The highest demand period was 35.34 GW at 18:00, while the lowest carbon intensity period was 78 gCO₂/kWh at 01:30.

Key records for 19 March 2023

Highest wind10.76 GW03:00
Highest solar5.11 GW10:30
Highest gas16.52 GW18:30
Lowest carbon78 gCO₂/kWh01:30
Highest imports7.50 GW15:45
Highest exports0.83 GW04:45

Daily chart

Demand, generation and carbon intensity

19 March 2023

Generation mix

Wind, solar, gas and interconnector flow