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UK Electricity Grid Daily Report — 21 January 2022

On 21 January 2022, Britain’s electricity grid averaged 39.56 GW of grid demand, with renewables averaging 31.6% of tracked domestic generation and carbon intensity averaging 228 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 39.56 GW

Average grid demand for this UK day.

Peak demand 46.99 GW

Highest 15-minute grid demand period.

Avg carbon 228 gCO₂/kWh

Average carbon intensity where available.

Renewables 31.6 %

Average renewable share of tracked generation.

Average grid demandDemand
39.56 GWFull-day average from available snapshots
↓ −0.02 GW vs yesterday
Peak demand17:00
46.99 GWHighest 15-minute grid demand period
↓ −0.22 GW vs yesterday
Lowest demand23:45
30.46 GWLowest 15-minute grid demand period
↑ +1.89 GW vs yesterday
Domestic generationSupply
37.22 GWTracked UK generation sources only
↓ −0.02 GW vs yesterday
Average carbonCO₂
228 gCO₂/kWhCarbon intensity average
↑ +15 g vs yesterday
Renewable shareClean
31.6 %Wind, solar, hydro and biomass
↓ −2.8 pts vs yesterday
Clean share+ Nuclear
45.7 %Renewables plus nuclear
↓ −2.9 pts vs yesterday
Net importsFlow
1.94 GWAverage imports minus exports
↑ +0.29 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 January 2022, Britain’s electricity grid averaged 39.56 GW of grid demand, with renewables averaging 31.6% of tracked domestic generation and carbon intensity averaging 228 gCO₂/kWh.

The highest demand period was 46.99 GW at 17:00, while the lowest carbon intensity period was 175 gCO₂/kWh at 23:30.

Key records for 21 January 2022

Highest wind9.03 GW14:30
Highest solar2.38 GW10:30
Highest gas23.15 GW13:00
Lowest carbon175 gCO₂/kWh23:30
Highest imports3.93 GW19:15
Highest exports2.63 GW05:00

Daily chart

Demand, generation and carbon intensity

21 January 2022

Generation mix

Wind, solar, gas and interconnector flow