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UK Electricity Grid Daily Report — 21 April 2022

On 21 April 2022, Britain’s electricity grid averaged 33.18 GW of grid demand, with renewables averaging 42.4% of tracked domestic generation and carbon intensity averaging 176 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.18 GW

Average grid demand for this UK day.

Peak demand 38.06 GW

Highest 15-minute grid demand period.

Avg carbon 176 gCO₂/kWh

Average carbon intensity where available.

Renewables 42.4 %

Average renewable share of tracked generation.

Average grid demandDemand
33.18 GWFull-day average from available snapshots
↑ +0.25 GW vs yesterday
Peak demand12:00
38.06 GWHighest 15-minute grid demand period
↓ −0.55 GW vs yesterday
Lowest demand03:45
25.99 GWLowest 15-minute grid demand period
↓ −0.02 GW vs yesterday
Domestic generationSupply
32.58 GWTracked UK generation sources only
↑ +0.14 GW vs yesterday
Average carbonCO₂
176 gCO₂/kWhCarbon intensity average
↓ −36 g vs yesterday
Renewable shareClean
42.4 %Wind, solar, hydro and biomass
↑ +9.1 pts vs yesterday
Clean share+ Nuclear
56.6 %Renewables plus nuclear
↑ +9.1 pts vs yesterday
Net importsFlow
-2.45 GWAverage imports minus exports
↓ −0.17 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 April 2022, Britain’s electricity grid averaged 33.18 GW of grid demand, with renewables averaging 42.4% of tracked domestic generation and carbon intensity averaging 176 gCO₂/kWh.

The highest demand period was 38.06 GW at 12:00, while the lowest carbon intensity period was 127 gCO₂/kWh at 14:00.

Key records for 21 April 2022

Highest wind11.61 GW19:00
Highest solar9.57 GW12:30
Highest gas16.12 GW20:30
Lowest carbon127 gCO₂/kWh14:00
Highest imports2.12 GW14:00
Highest exports4.78 GW01:00

Daily chart

Demand, generation and carbon intensity

21 April 2022

Generation mix

Wind, solar, gas and interconnector flow