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UK Electricity Grid Daily Report — 21 March 2022

On 21 March 2022, Britain’s electricity grid averaged 34.28 GW of grid demand, with renewables averaging 24.0% of tracked domestic generation and carbon intensity averaging 231 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.28 GW

Average grid demand for this UK day.

Peak demand 40.82 GW

Highest 15-minute grid demand period.

Avg carbon 231 gCO₂/kWh

Average carbon intensity where available.

Renewables 24.0 %

Average renewable share of tracked generation.

Average grid demandDemand
34.28 GWFull-day average from available snapshots
↑ +3.17 GW vs yesterday
Peak demand10:00
40.82 GWHighest 15-minute grid demand period
↑ +3.37 GW vs yesterday
Lowest demand03:30
24.37 GWLowest 15-minute grid demand period
↑ +0.16 GW vs yesterday
Domestic generationSupply
30.59 GWTracked UK generation sources only
↑ +2.08 GW vs yesterday
Average carbonCO₂
231 gCO₂/kWhCarbon intensity average
↑ +107 g vs yesterday
Renewable shareClean
24.0 %Wind, solar, hydro and biomass
↓ −25.0 pts vs yesterday
Clean share+ Nuclear
43.7 %Renewables plus nuclear
↓ −26.0 pts vs yesterday
Net importsFlow
3.29 GWAverage imports minus exports
↑ +1.44 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 March 2022, Britain’s electricity grid averaged 34.28 GW of grid demand, with renewables averaging 24.0% of tracked domestic generation and carbon intensity averaging 231 gCO₂/kWh.

The highest demand period was 40.82 GW at 10:00, while the lowest carbon intensity period was 190 gCO₂/kWh at 23:30.

Key records for 21 March 2022

Highest wind5.25 GW23:00
Highest solar6.82 GW11:00
Highest gas20.05 GW18:30
Lowest carbon190 gCO₂/kWh23:30
Highest imports5.26 GW09:45
Highest exports1.37 GW22:45

Daily chart

Demand, generation and carbon intensity

21 March 2022

Generation mix

Wind, solar, gas and interconnector flow