Electricity Live

Great Britain’s electricity on Monday 20 January 2025

On Monday 20 January, demand averaged 36.2 GW. Renewables supplied 11%.

36.2GW AVERAGEWind3.13 GW8%Hydro0.63 GW2%Biomass3.10 GW8%Solar0.37 GW1%Gas24.30 GW63%Imports3.27 GW9%Nuclear3.52 GW9%36.2GW AVERAGE8%8%63%9%9%
Price
£155.78/MWh
Day average £155.78
Demand36.2GW
Generation 35.0Transfers 1.2
Fossil fuels63%
Renewables11%
Other26%
Carbon intensityVery high
265g/kWh
0Day average 265300
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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 Monday 20 January 2025, gas supplied 63% of Great Britain’s electricity and nuclear 9%. Demand peaked at 42.9 GW at 18:10. Carbon intensity averaged 265 g/kWh and the price £155.78/MWh. Wind generation peaked at 4.4 GW at 23:40. Solar generation peaked at 1.8 GW at 12:30. Carbon intensity was lowest at 01:00 (254 g/kWh) and highest at 06:00 (285 g/kWh). The wholesale price ranged from £90.89/MWh at 02:30 to £269.63/MWh at 17:30. Gas made 69% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.371.0%Wind 3.138.2%Gas 24.3063.4%Hydro 0.631.6%Biomass 3.108.1%Nuclear 3.529.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.2avgGeneration 35.0avgTransfers 1.2avg
The day in figurespeaks, averages, totals
Peak demand42.9GW · 18:10
Low 26.3 · 04:05Avg 36.20–60 GW
Made in Great Britain97%of demand
Generation 35.0Transfers 1.2 GW
Net imports25GWh
In
64 Out
39
Zero-carbon share22%of generation
Nuclear 10%Hydro 2%Wind 9%Solar 1%

Transfers · Mon 20 Jan

Interconnectors and storage

On Monday 20 January 2025, Great Britain imported 64 GWh and exported 39 GWh through its interconnectors. The most came from Norway (32 GWh), and the most exports went to Ireland (16 GWh).

All interconnectors

Mon 20 Jan
Imported
64GWh
Exported
39GWh
Net in
25GWh
Average net flow
1.05GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.17GWExporting

In 3.9 GWhOut 7.9 GWh

Denmark

Viking Link

Average0.04GWImporting

In 6.1 GWhOut 5.1 GWh

France

IFA · IFA2 · ElecLink

Average0.51GWImporting

In 21.7 GWhOut 9.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.69GWExporting

In 0.0 GWhOut 16.5 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.35GWImporting

In 32.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWGenerating

Generated 14.3 GWhPumped 11.5 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.