Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 25 January 2025

On 25 January 2025, Britain’s electricity grid averaged 35.07 GW of grid demand, with renewables averaging 61.3% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.07 GW

Average grid demand for this UK day.

Peak demand 41.79 GW

Highest 15-minute grid demand period.

Avg carbon 91 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.3 %

Average renewable share of tracked generation.

Average grid demandDemand
35.07 GWFull-day average from available snapshots
↓ −2.69 GW vs yesterday
Peak demand18:00
41.79 GWHighest 15-minute grid demand period
↓ −2.25 GW vs yesterday
Lowest demand04:15
27.00 GWLowest 15-minute grid demand period
↓ −2.54 GW vs yesterday
Domestic generationSupply
29.90 GWTracked UK generation sources only
↓ −3.11 GW vs yesterday
Average carbonCO₂
91 gCO₂/kWhCarbon intensity average
↑ +7 g vs yesterday
Renewable shareClean
61.3 %Wind, solar, hydro and biomass
↓ −4.1 pts vs yesterday
Clean share+ Nuclear
76.1 %Renewables plus nuclear
↓ −2.0 pts vs yesterday
Net importsFlow
4.89 GWAverage imports minus exports
↑ +0.12 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 January 2025, Britain’s electricity grid averaged 35.07 GW of grid demand, with renewables averaging 61.3% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh.

The highest demand period was 41.79 GW at 18:00, while the lowest carbon intensity period was 43 gCO₂/kWh at 01:30.

Key records for 25 January 2025

Highest wind17.63 GW00:00
Highest solar7.04 GW12:00
Highest gas15.25 GW18:30
Lowest carbon43 gCO₂/kWh01:30
Highest imports6.32 GW09:30
Highest exports0.98 GW10:00

Daily chart

Demand, generation and carbon intensity

25 January 2025

Generation mix

Wind, solar, gas and interconnector flow