Electricity Live

Great Britain’s electricity on Tuesday 1 July 2025

On Tuesday 1 July, demand averaged 29.8 GW. Renewables supplied 25%.

29.8GW AVERAGEWind4.43 GW14%Hydro0.31 GW1%Biomass3.06 GW10%Solar3.09 GW10%Gas12.23 GW38%Imports4.07 GW13%Nuclear4.59 GW14%29.8GW AVERAGE14%10%10%38%13%14%
Price
£105.21/MWh
Day average £105.21
Demand29.8GW
Generation 27.7Transfers 2.1
Fossil fuels38%
Renewables25%
Other37%
Carbon intensityModerate
180g/kWh
0Day average 180300
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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 Tuesday 1 July 2025, gas supplied 38% of Great Britain’s electricity and nuclear 14%. Demand peaked at 36.6 GW at 13:10. Carbon intensity averaged 180 g/kWh and the price £105.21/MWh. Wind generation peaked at 8.5 GW at 01:15. Solar generation peaked at 8.7 GW at 11:30. Carbon intensity was lowest at 13:00 (143 g/kWh) and highest at 21:30 (233 g/kWh). The wholesale price ranged from £68.44/MWh at 14:30 to £230.86/MWh at 19:00. Gas made 44% 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 3.099.7%Wind 4.4313.9%Gas 12.2338.5%Hydro 0.311.0%Biomass 3.069.6%Nuclear 4.5914.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 27.7avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 13:10
Low 21.1 · 05:40Avg 29.80–40 GW
Made in Great Britain93%of demand
Generation 27.7Transfers 2.1 GW
Net imports46GWh
In
94 Out
48
Zero-carbon share45%of generation
Nuclear 17%Hydro 1%Wind 16%Solar 11%

Transfers · Tue 1 Jul

Interconnectors and storage

On Tuesday 1 July 2025, Great Britain imported 94 GWh and exported 48 GWh through its interconnectors. The most came from Norway (33 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Tue 1 Jul
Imported
94GWh
Exported
48GWh
Net in
46GWh
Average net flow
1.92GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWExporting

In 7.6 GWhOut 8.1 GWh

Denmark

Viking Link

Average0.05GWExporting

In 9.9 GWhOut 11.0 GWh

France

IFA · IFA2 · ElecLink

Average1.11GWImporting

In 33.1 GWhOut 6.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.51GWExporting

In 1.4 GWhOut 13.6 GWh

Netherlands

BritNed

Average0.01GWExporting

In 8.3 GWhOut 8.5 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWGenerating

Generated 4.0 GWhPumped 0.5 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.