Electricity Live

Great Britain’s electricity on Thursday 17 July 2025

On Thursday 17 July, demand averaged 28.6 GW. Renewables supplied 21%.

28.6GW AVERAGEWind3.52 GW12%Hydro0.28 GW1%Biomass3.13 GW11%Solar2.38 GW8%Gas10.13 GW34%Imports5.89 GW20%Nuclear4.21 GW14%28.6GW AVERAGE12%11%8%34%20%14%
Price
£83.83/MWh
Day average £83.83
Demand28.6GW
Generation 23.7Transfers 5.0
Fossil fuels34%
Renewables21%
Other45%
Carbon intensityModerate
170g/kWh
0Day average 170300
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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 Thursday 17 July 2025, gas supplied 34% of Great Britain’s electricity and nuclear 14%. Demand peaked at 34.3 GW at 14:55. Carbon intensity averaged 170 g/kWh and the price £83.83/MWh. Wind generation peaked at 6.8 GW at 21:55. Solar generation peaked at 6.7 GW at 14:00. Carbon intensity was lowest at 14:30 (124 g/kWh) and highest at 04:30 (201 g/kWh). The wholesale price ranged from £69.21/MWh at 16:30 to £98.15/MWh at 20:00. Gas made 43% 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 2.388.0%Wind 3.5211.9%Gas 10.1334.3%Hydro 0.280.9%Biomass 3.1310.6%Nuclear 4.2114.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 23.7avgTransfers 5.0avg
The day in figurespeaks, averages, totals
Peak demand34.3GW · 14:55
Low 20.8 · 05:05Avg 28.60–40 GW
Made in Great Britain83%of demand
Generation 23.7Transfers 5.0 GW
Net imports122GWh
In
141 Out
20
Zero-carbon share44%of generation
Nuclear 18%Hydro 1%Wind 15%Solar 10%

Transfers · Thu 17 Jul

Interconnectors and storage

On Thursday 17 July 2025, Great Britain imported 141 GWh and exported 20 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Thu 17 Jul
Imported
141GWh
Exported
20GWh
Net in
122GWh
Average net flow
5.07GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 10.2 GWhOut 2.9 GWh

Denmark

Viking Link

Average0.59GWImporting

In 15.6 GWhOut 1.3 GWh

France

IFA · IFA2 · ElecLink

Average2.98GWImporting

In 71.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.33GWExporting

In 0.5 GWhOut 8.4 GWh

Netherlands

BritNed

Average0.12GWImporting

In 9.9 GWhOut 7.0 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 0.1 GWhPumped 2.4 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.