Electricity Live

Great Britain’s electricity on Saturday 5 July 2025

On Saturday 5 July, demand averaged 25.8 GW. Renewables supplied 59%.

25.8GW AVERAGEWind14.80 GW51%Hydro0.30 GW1%Biomass1.08 GW4%Solar2.07 GW7%Gas3.47 GW12%Imports3.07 GW11%Nuclear4.17 GW14%25.8GW AVERAGE51%7%12%11%14%
Price
£22.39/MWh
Day average £22.39
Demand25.8GW
Generation 25.9Transfers −0.1
Fossil fuels12%
Renewables59%
Other29%
Carbon intensityLow
65g/kWh
0Day average 65300
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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 5 July 2025, wind supplied 51% of Great Britain’s electricity and nuclear 14%. Demand peaked at 31.1 GW at 14:15. Carbon intensity averaged 65 g/kWh and the price £22.39/MWh. Wind generation peaked at 17.6 GW at 03:50. Solar generation peaked at 5.7 GW at 14:00. Carbon intensity was lowest at 08:00 (48 g/kWh) and highest at 21:00 (98 g/kWh). The wholesale price ranged from −£17.46/MWh at 16:00 to £93.20/MWh at 21:30. The price was below zero for 7 hours. Wind made 57% 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 2.077.2%Wind 14.8051.1%Gas 3.4712.0%Hydro 0.301.0%Biomass 1.083.7%Nuclear 4.1714.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.8avgGeneration 25.9avgTransfers −0.1avg
The day in figurespeaks, averages, totals
Peak demand31.1GW · 14:15
Low 20.1 · 05:50Avg 25.80–40 GW
Made in Great Britain100%of demand
Generation 25.9Transfers −0.1 GW
Net exports4GWh
In
71 Out
74
Zero-carbon share82%of generation
Nuclear 16%Hydro 1%Wind 57%Solar 8%

Transfers · Sat 5 Jul

Interconnectors and storage

On Saturday 5 July 2025, Great Britain imported 71 GWh and exported 74 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (29 GWh).

All interconnectors

Sat 5 Jul
Imported
71GWh
Exported
74GWh
Net out
4GWh
Average net flow
0.15GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.03GWExporting

In 6.5 GWhOut 7.2 GWh

Denmark

Viking Link

Average0.76GWImporting

In 18.6 GWhOut 0.4 GWh

France

IFA · IFA2 · ElecLink

Average0.49GWImporting

In 29.8 GWhOut 18.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.21GWExporting

In 0.0 GWhOut 29.1 GWh

Netherlands

BritNed

Average0.12GWExporting

In 5.6 GWhOut 8.6 GWh

Norway

North Sea Link

Average0.03GWExporting

In 10.4 GWhOut 11.2 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWGenerating

Generated 2.8 GWhPumped 1.6 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.