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Daily UK grid report
UK Electricity Grid Daily Report — 16 January 2025

On 16 January 2025, Britain’s electricity grid averaged 38.81 GW of grid demand, with renewables averaging 35.5% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.81 GW

Average grid demand for this UK day.

Peak demand 46.16 GW

Highest 15-minute grid demand period.

Avg carbon 212 gCO₂/kWh

Average carbon intensity where available.

Renewables 35.5 %

Average renewable share of tracked generation.

Average grid demandDemand
38.81 GWFull-day average from available snapshots
↑ +0.18 GW vs yesterday
Peak demand17:15
46.16 GWHighest 15-minute grid demand period
↑ +0.46 GW vs yesterday
Lowest demand04:00
28.44 GWLowest 15-minute grid demand period
↓ −1.27 GW vs yesterday
Domestic generationSupply
37.00 GWTracked UK generation sources only
↓ −0.12 GW vs yesterday
Average carbonCO₂
212 gCO₂/kWhCarbon intensity average
↓ −12 g vs yesterday
Renewable shareClean
35.5 %Wind, solar, hydro and biomass
↑ +4.0 pts vs yesterday
Clean share+ Nuclear
45.3 %Renewables plus nuclear
↑ +2.8 pts vs yesterday
Net importsFlow
0.12 GWAverage imports minus exports
↑ +0.79 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 16 January 2025, Britain’s electricity grid averaged 38.81 GW of grid demand, with renewables averaging 35.5% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh.

The highest demand period was 46.16 GW at 17:15, while the lowest carbon intensity period was 161 gCO₂/kWh at 23:30.

Key records for 16 January 2025

Highest wind12.87 GW21:30
Highest solar3.48 GW11:30
Highest gas23.44 GW08:30
Lowest carbon161 gCO₂/kWh23:30
Highest imports2.47 GW16:45
Highest exports3.27 GW06:45

Daily chart

Demand, generation and carbon intensity

16 January 2025

Generation mix

Wind, solar, gas and interconnector flow