Electricity Live

Great Britain’s electricity on Wednesday 15 January 2025

On Wednesday 15 January, demand averaged 35.5 GW. Renewables supplied 24%.

35.5GW AVERAGEWind8.00 GW21%Hydro0.59 GW2%Biomass2.33 GW6%Solar0.65 GW2%Gas20.56 GW54%Imports1.84 GW5%Nuclear3.98 GW10%35.5GW AVERAGE21%54%10%
Price
£108.84/MWh
Day average £108.84
Demand35.5GW
Generation 36.1Transfers −0.6
Fossil fuels54%
Renewables24%
Other21%
Carbon intensityHigh
223g/kWh
0Day average 223300
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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 Wednesday 15 January 2025, gas supplied 54% of Great Britain’s electricity and wind 21%. Demand peaked at 41.7 GW at 12:00. Carbon intensity averaged 223 g/kWh and the price £108.84/MWh. Wind generation peaked at 10.0 GW at 18:05. Solar generation peaked at 3.6 GW at 12:30. Carbon intensity was lowest at 03:00 (189 g/kWh) and highest at 08:00 (249 g/kWh). The wholesale price ranged from £84.60/MWh at 04:30 to £138.58/MWh at 18:00. Gas made 57% 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 0.651.7%Wind 8.0021.1%Gas 20.5654.2%Hydro 0.591.6%Biomass 2.336.1%Nuclear 3.9810.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.5avgGeneration 36.1avgTransfers −0.6avg
The day in figurespeaks, averages, totals
Peak demand41.7GW · 12:00
Low 25.8 · 04:30Avg 35.50–60 GW
Made in Great Britain102%of demand
Generation 36.1Transfers −0.6 GW
Net exports16GWh
In
38 Out
54
Zero-carbon share37%of generation
Nuclear 11%Hydro 2%Wind 22%Solar 2%

Transfers · Wed 15 Jan

Interconnectors and storage

On Wednesday 15 January 2025, Great Britain imported 38 GWh and exported 54 GWh through its interconnectors. The most came from Norway (27 GWh), and the most exports went to France (22 GWh).

All interconnectors

Wed 15 Jan
Imported
38GWh
Exported
54GWh
Net out
16GWh
Average net flow
0.65GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.74GWExporting

In 0.0 GWhOut 17.8 GWh

Denmark

Viking Link

Average0.20GWExporting

In 4.6 GWhOut 9.5 GWh

France

IFA · IFA2 · ElecLink

Average0.69GWExporting

In 6.0 GWhOut 22.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWExporting

In 0.9 GWhOut 4.2 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.11GWImporting

In 26.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 5.8 GWhPumped 5.1 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.