Electricity Live

Great Britain’s electricity on Wednesday 1 January 2025

On Wednesday 1 January, demand averaged 29.6 GW. Renewables supplied 57%.

29.6GW AVERAGEWind17.13 GW53%Hydro0.91 GW3%Biomass1.53 GW5%Solar0.09 GW0%Gas3.71 GW12%Imports3.65 GW11%Nuclear5.06 GW16%29.6GW AVERAGE53%12%11%16%
Price
£55.90/MWh
Day average £55.90
Demand29.6GW
Generation 28.4Transfers 1.2
Fossil fuels12%
Renewables57%
Other32%
Carbon intensityLow
59g/kWh
0Day average 59300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Wednesday 1 January 2025, wind supplied 53% of Great Britain’s electricity and nuclear 16%. Demand peaked at 36.1 GW at 16:55. Carbon intensity averaged 59 g/kWh and the price £55.90/MWh. Wind generation peaked at 21.4 GW at 00:10. Solar generation peaked at 0.5 GW at 13:00. Carbon intensity was lowest at 10:30 (35 g/kWh) and highest at 17:30 (95 g/kWh). The wholesale price ranged from −£14.33/MWh at 09:00 to £126.73/MWh at 17:30. The price was below zero for 3 hours. Wind made 60% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.090.3%Wind 17.1353.4%Gas 3.7111.6%Hydro 0.912.8%Biomass 1.534.8%Nuclear 5.0615.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 28.4avgTransfers 1.2avg
The day in figurespeaks, averages, totals
Peak demand36.1GW · 16:55
Low 22.8 · 05:30Avg 29.60–40 GW
Made in Great Britain96%of demand
Generation 28.4Transfers 1.2 GW
Net imports37GWh
In
83 Out
46
Zero-carbon share82%of generation
Nuclear 18%Hydro 3%Wind 60%Solar 0%

Transfers · Wed 1 Jan

Interconnectors and storage

On Wednesday 1 January 2025, Great Britain imported 83 GWh and exported 46 GWh through its interconnectors. The most came from France (33 GWh), and the most exports went to France (21 GWh).

All interconnectors

Wed 1 Jan
Imported
83GWh
Exported
46GWh
Net in
37GWh
Average net flow
1.54GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.43GWImporting

In 14.5 GWhOut 4.2 GWh

Denmark

Viking Link

Average0.64GWImporting

In 16.2 GWhOut 0.7 GWh

France

IFA · IFA2 · ElecLink

Average0.49GWImporting

In 33.1 GWhOut 21.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.72GWExporting

In 0.0 GWhOut 17.4 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 19.6 GWhOut 3.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.37GWPumping

Generated 4.1 GWhPumped 12.8 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.