Electricity Live

Great Britain’s electricity on Saturday 12 July 2025

On Saturday 12 July, demand averaged 26.5 GW. Renewables supplied 29%.

26.5GW AVERAGEWind3.11 GW11%Hydro0.20 GW1%Biomass3.05 GW11%Solar4.87 GW17%Gas6.09 GW22%Imports6.43 GW23%Nuclear4.15 GW15%26.5GW AVERAGE11%11%17%22%23%15%
Price
£80.41/MWh
Day average £80.41
Demand26.5GW
Generation 21.5Transfers 5.1
Fossil fuels22%
Renewables29%
Other49%
Carbon intensityModerate
123g/kWh
0Day average 123300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Saturday 12 July 2025, gas supplied 22% of Great Britain’s electricity and solar 17%. Demand peaked at 31.6 GW at 11:30. Carbon intensity averaged 123 g/kWh and the price £80.41/MWh. Wind generation peaked at 6.4 GW at 23:30. Solar generation peaked at 14.0 GW at 13:00. Carbon intensity was lowest at 15:30 (60 g/kWh) and highest at 00:00 (181 g/kWh). The wholesale price ranged from £45.49/MWh at 13:00 to £105.31/MWh at 21:00. Gas made 28% 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 4.8717.5%Wind 3.1111.2%Gas 6.0921.8%Hydro 0.200.7%Biomass 3.0511.0%Nuclear 4.1514.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.5avgGeneration 21.5avgTransfers 5.1avg
The day in figurespeaks, averages, totals
Peak demand31.6GW · 11:30
Low 20.4 · 05:20Avg 26.50–40 GW
Made in Great Britain81%of demand
Generation 21.5Transfers 5.1 GW
Net imports122GWh
In
153 Out
31
Zero-carbon share57%of generation
Nuclear 19%Hydro 1%Wind 14%Solar 23%

Transfers · Sat 12 Jul

Interconnectors and storage

On Saturday 12 July 2025, Great Britain imported 153 GWh and exported 31 GWh through its interconnectors. The most came from France (92 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Sat 12 Jul
Imported
153GWh
Exported
31GWh
Net in
122GWh
Average net flow
5.08GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.20GWImporting

In 10.3 GWhOut 5.6 GWh

Denmark

Viking Link

Average0.40GWImporting

In 11.1 GWhOut 1.5 GWh

France

IFA · IFA2 · ElecLink

Average3.83GWImporting

In 91.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.57GWExporting

In 0.0 GWhOut 13.8 GWh

Netherlands

BritNed

Average0.02GWExporting

In 9.3 GWhOut 9.8 GWh

Norway

North Sea Link

Average1.24GWImporting

In 29.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 1.7 GWhPumped 2.2 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.