Electricity Live

Great Britain’s electricity on Saturday 19 July 2025

On Saturday 19 July, demand averaged 25.8 GW. Renewables supplied 25%.

25.8GW AVERAGEWind4.98 GW18%Hydro0.27 GW1%Biomass1.34 GW5%Solar1.70 GW6%Gas8.19 GW30%Imports6.33 GW23%Nuclear4.53 GW17%25.8GW AVERAGE18%30%23%17%
Price
£81.24/MWh
Day average £81.24
Demand25.8GW
Generation 21.0Transfers 4.8
Fossil fuels30%
Renewables25%
Other45%
Carbon intensityModerate
145g/kWh
0Day average 145300
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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 Saturday 19 July 2025, gas supplied 30% of Great Britain’s electricity and wind 18%. Demand peaked at 30.2 GW at 17:55. Carbon intensity averaged 145 g/kWh and the price £81.24/MWh. Wind generation peaked at 7.8 GW at 15:40. Solar generation peaked at 4.6 GW at 15:00. Carbon intensity was lowest at 14:00 (90 g/kWh) and highest at 00:00 (170 g/kWh). The wholesale price ranged from £61.26/MWh at 15:00 to £95.96/MWh at 19:30. Gas made 39% 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 1.706.2%Wind 4.9818.2%Gas 8.1930.0%Hydro 0.271.0%Biomass 1.344.9%Nuclear 4.5316.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.8avgGeneration 21.0avgTransfers 4.8avg
The day in figurespeaks, averages, totals
Peak demand30.2GW · 17:55
Low 19.9 · 05:15Avg 25.80–40 GW
Made in Great Britain81%of demand
Generation 21.0Transfers 4.8 GW
Net imports114GWh
In
150 Out
35
Zero-carbon share55%of generation
Nuclear 22%Hydro 1%Wind 24%Solar 8%

Transfers · Sat 19 Jul

Interconnectors and storage

On Saturday 19 July 2025, Great Britain imported 150 GWh and exported 35 GWh through its interconnectors. The most came from France (86 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Sat 19 Jul
Imported
150GWh
Exported
35GWh
Net in
114GWh
Average net flow
4.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.40GWImporting

In 10.1 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.19GWImporting

In 11.2 GWhOut 6.7 GWh

France

IFA · IFA2 · ElecLink

Average3.58GWImporting

In 85.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.76GWExporting

In 0.0 GWhOut 18.2 GWh

Netherlands

BritNed

Average0.03GWExporting

In 9.3 GWhOut 10.0 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWGenerating

Generated 2.1 GWhPumped 0.9 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.