Electricity Live

Great Britain’s electricity on Thursday 17 April 2025

On Thursday 17 April, demand averaged 29.4 GW. Renewables supplied 28%.

29.4GW AVERAGEWind4.86 GW16%Hydro0.16 GW1%Biomass3.03 GW10%Solar3.56 GW12%Gas9.40 GW31%Imports5.72 GW19%Nuclear4.04 GW13%29.4GW AVERAGE16%10%12%31%19%13%
Price
£86.62/MWh
Day average £86.62
Demand29.4GW
Generation 25.1Transfers 4.3
Fossil fuels31%
Renewables28%
Other42%
Carbon intensityModerate
148g/kWh
0Day average 148300
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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 April 2025, gas supplied 31% of Great Britain’s electricity and wind 16%. Demand peaked at 35.0 GW at 10:00. Carbon intensity averaged 148 g/kWh and the price £86.62/MWh. Wind generation peaked at 10.8 GW at 00:15. Solar generation peaked at 11.6 GW at 12:00. Carbon intensity was lowest at 01:30 (68 g/kWh) and highest at 20:00 (235 g/kWh). The wholesale price ranged from £55.50/MWh at 03:30 to £114.41/MWh at 08:00. Gas made 38% 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 3.5611.6%Wind 4.8615.8%Gas 9.4030.6%Hydro 0.160.5%Biomass 3.039.9%Nuclear 4.0413.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 25.1avgTransfers 4.3avg
The day in figurespeaks, averages, totals
Peak demand35.0GW · 10:00
Low 21.9 · 05:05Avg 29.40–40 GW
Made in Great Britain85%of demand
Generation 25.1Transfers 4.3 GW
Net imports99GWh
In
132 Out
33
Zero-carbon share50%of generation
Nuclear 16%Hydro 1%Wind 19%Solar 14%

Transfers · Thu 17 Apr

Interconnectors and storage

On Thursday 17 April 2025, Great Britain imported 132 GWh and exported 33 GWh through its interconnectors. The most came from France (70 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Thu 17 Apr
Imported
132GWh
Exported
33GWh
Net in
99GWh
Average net flow
4.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.15GWExporting

In 3.3 GWhOut 7.0 GWh

Denmark

Viking Link

Average0.84GWImporting

In 20.2 GWhOut 0.1 GWh

France

IFA · IFA2 · ElecLink

Average2.93GWImporting

In 70.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.95GWExporting

In 0.0 GWhOut 22.8 GWh

Netherlands

BritNed

Average0.05GWImporting

In 4.5 GWhOut 3.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.20GWGenerating

Generated 5.4 GWhPumped 0.6 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.