Electricity Live

Great Britain’s electricity on Sunday 20 April 2025

On Sunday 20 April, demand averaged 25.6 GW. Renewables supplied 28%.

25.6GW AVERAGEWind3.67 GW14%Hydro0.14 GW1%Biomass1.91 GW7%Solar3.46 GW13%Gas6.81 GW26%Imports6.44 GW25%Nuclear3.78 GW14%25.6GW AVERAGE14%7%13%26%25%14%
Price
£89.07/MWh
Day average £89.07
Demand25.6GW
Generation 19.8Transfers 5.8
Fossil fuels26%
Renewables28%
Other46%
Carbon intensityModerate
139g/kWh
0Day average 139300
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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 Sunday 20 April 2025, gas supplied 26% of Great Britain’s electricity and nuclear 14%. Demand peaked at 31.8 GW at 12:00. Carbon intensity averaged 139 g/kWh and the price £89.07/MWh. Wind generation peaked at 7.0 GW at 00:00. Solar generation peaked at 12.1 GW at 12:30. Carbon intensity was lowest at 12:00 (92 g/kWh) and highest at 19:30 (201 g/kWh). The wholesale price ranged from £72.71/MWh at 14:00 to £109.68/MWh at 19:30. Gas made 34% 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 3.4613.2%Wind 3.6714.0%Gas 6.8126.0%Hydro 0.140.5%Biomass 1.917.3%Nuclear 3.7814.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.6avgGeneration 19.8avgTransfers 5.8avg
The day in figurespeaks, averages, totals
Peak demand31.8GW · 12:00
Low 19.6 · 04:35Avg 25.60–40 GW
Made in Great Britain77%of demand
Generation 19.8Transfers 5.8 GW
Net imports137GWh
In
152 Out
15
Zero-carbon share56%of generation
Nuclear 19%Hydro 1%Wind 19%Solar 18%

Transfers · Sun 20 Apr

Interconnectors and storage

On Sunday 20 April 2025, Great Britain imported 152 GWh and exported 15 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Sun 20 Apr
Imported
152GWh
Exported
15GWh
Net in
137GWh
Average net flow
5.72GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWImporting

In 15.6 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.84GWImporting

In 20.2 GWhOut 0.1 GWh

France

IFA · IFA2 · ElecLink

Average2.85GWImporting

In 68.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.61GWExporting

In 0.0 GWhOut 14.5 GWh

Netherlands

BritNed

Average0.60GWImporting

In 14.7 GWhOut 0.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWGenerating

Generated 2.2 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.