Electricity Live

Great Britain’s electricity on Wednesday 9 April 2025

On Wednesday 9 April, demand averaged 30.5 GW. Renewables supplied 23%.

30.5GW AVERAGEWind3.82 GW12%Hydro0.16 GW1%Biomass2.70 GW8%Solar3.51 GW11%Gas11.67 GW37%Imports5.63 GW18%Nuclear4.44 GW14%30.5GW AVERAGE12%8%11%37%18%14%
Price
£88.63/MWh
Day average £88.63
Demand30.5GW
Generation 26.3Transfers 4.2
Fossil fuels37%
Renewables23%
Other40%
Carbon intensityHigh
178g/kWh
0Day average 178300
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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 Wednesday 9 April 2025, gas supplied 37% of Great Britain’s electricity and nuclear 14%. Demand peaked at 36.3 GW at 09:30. Carbon intensity averaged 178 g/kWh and the price £88.63/MWh. Wind generation peaked at 4.7 GW at 20:05. Solar generation peaked at 11.0 GW at 13:30. Carbon intensity was lowest at 13:30 (119 g/kWh) and highest at 20:00 (217 g/kWh). The wholesale price ranged from £70.96/MWh at 23:30 to £111.32/MWh at 07:30. 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 3.5111.0%Wind 3.8212.0%Gas 11.6736.5%Hydro 0.160.5%Biomass 2.708.5%Nuclear 4.4413.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.5avgGeneration 26.3avgTransfers 4.2avg
The day in figurespeaks, averages, totals
Peak demand36.3GW · 09:30
Low 22.7 · 04:05Avg 30.50–40 GW
Made in Great Britain86%of demand
Generation 26.3Transfers 4.2 GW
Net imports99GWh
In
133 Out
34
Zero-carbon share45%of generation
Nuclear 17%Hydro 1%Wind 15%Solar 13%

Transfers · Wed 9 Apr

Interconnectors and storage

On Wednesday 9 April 2025, Great Britain imported 133 GWh and exported 34 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Wed 9 Apr
Imported
133GWh
Exported
34GWh
Net in
99GWh
Average net flow
4.14GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.63GWImporting

In 17.6 GWhOut 2.5 GWh

Denmark

Viking Link

Average0.15GWImporting

In 11.2 GWhOut 7.6 GWh

France

IFA · IFA2 · ElecLink

Average2.99GWImporting

In 71.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.84GWExporting

In 0.0 GWhOut 20.1 GWh

Netherlands

BritNed

Average0.51GWImporting

In 15.9 GWhOut 3.7 GWh

Norway

North Sea Link

Average0.70GWImporting

In 16.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 1.9 GWhPumped 1.4 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.