Electricity Live

Great Britain’s electricity on Friday 18 April 2025

On Friday 18 April, demand averaged 27.7 GW. Renewables supplied 40%.

27.7GW AVERAGEWind9.29 GW33%Hydro0.19 GW1%Biomass3.01 GW11%Solar1.80 GW6%Gas4.37 GW15%Imports6.04 GW21%Nuclear3.79 GW13%27.7GW AVERAGE33%11%15%21%13%
Price
£85.74/MWh
Day average £85.74
Demand27.7GW
Generation 22.5Transfers 5.2
Fossil fuels15%
Renewables40%
Other45%
Carbon intensityLow
96g/kWh
0Day average 96300
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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 Friday 18 April 2025, wind supplied 33% of Great Britain’s electricity and gas 15%. Demand peaked at 32.7 GW at 11:40. Carbon intensity averaged 96 g/kWh and the price £85.74/MWh. Wind generation peaked at 16.3 GW at 23:10. Solar generation peaked at 6.7 GW at 11:30. Carbon intensity was lowest at 22:00 (46 g/kWh) and highest at 00:00 (179 g/kWh). The wholesale price ranged from £68.91/MWh at 11:30 to £107.53/MWh at 19:00. Wind made 41% 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 1.806.3%Wind 9.2932.6%Gas 4.3715.3%Hydro 0.190.7%Biomass 3.0110.6%Nuclear 3.7913.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.7avgGeneration 22.5avgTransfers 5.2avg
The day in figurespeaks, averages, totals
Peak demand32.7GW · 11:40
Low 21.2 · 05:00Avg 27.70–40 GW
Made in Great Britain81%of demand
Generation 22.5Transfers 5.2 GW
Net imports125GWh
In
144 Out
19
Zero-carbon share67%of generation
Nuclear 17%Hydro 1%Wind 41%Solar 8%

Transfers · Fri 18 Apr

Interconnectors and storage

On Friday 18 April 2025, Great Britain imported 144 GWh and exported 19 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Fri 18 Apr
Imported
144GWh
Exported
19GWh
Net in
125GWh
Average net flow
5.21GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.35GWImporting

In 11.4 GWhOut 2.9 GWh

Denmark

Viking Link

Average0.57GWImporting

In 14.4 GWhOut 0.7 GWh

France

IFA · IFA2 · ElecLink

Average2.99GWImporting

In 71.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.41GWExporting

In 1.7 GWhOut 11.4 GWh

Netherlands

BritNed

Average0.31GWImporting

In 11.3 GWhOut 3.9 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 0.9 GWhPumped 1.1 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.