Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 19 January 2025

On 19 January 2025, Britain’s electricity grid averaged 36.37 GW of grid demand, with renewables averaging 21.4% of tracked domestic generation and carbon intensity averaging 259 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 36.37 GW

Average grid demand for this UK day.

Peak demand 44.67 GW

Highest 15-minute grid demand period.

Avg carbon 259 gCO₂/kWh

Average carbon intensity where available.

Renewables 21.4 %

Average renewable share of tracked generation.

Average grid demandDemand
36.37 GWFull-day average from available snapshots
↑ +0.46 GW vs yesterday
Peak demand17:30
44.67 GWHighest 15-minute grid demand period
↑ +2.18 GW vs yesterday
Lowest demand04:15
27.94 GWLowest 15-minute grid demand period
↓ −0.75 GW vs yesterday
Domestic generationSupply
33.34 GWTracked UK generation sources only
↓ −1.00 GW vs yesterday
Average carbonCO₂
259 gCO₂/kWhCarbon intensity average
↑ +32 g vs yesterday
Renewable shareClean
21.4 %Wind, solar, hydro and biomass
↓ −11.4 pts vs yesterday
Clean share+ Nuclear
32.1 %Renewables plus nuclear
↓ −11.1 pts vs yesterday
Net importsFlow
2.53 GWAverage imports minus exports
↑ +2.16 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 January 2025, Britain’s electricity grid averaged 36.37 GW of grid demand, with renewables averaging 21.4% of tracked domestic generation and carbon intensity averaging 259 gCO₂/kWh.

The highest demand period was 44.67 GW at 17:30, while the lowest carbon intensity period was 222 gCO₂/kWh at 00:00.

Key records for 19 January 2025

Highest wind4.24 GW00:00
Highest solar0.68 GW12:00
Highest gas25.80 GW17:30
Lowest carbon222 gCO₂/kWh00:00
Highest imports5.21 GW11:00
Highest exports3.02 GW22:00

Daily chart

Demand, generation and carbon intensity

19 January 2025

Generation mix

Wind, solar, gas and interconnector flow