Electricity Live

Great Britain’s electricity on Tuesday 1 April 2025

On Tuesday 1 April, demand averaged 31.2 GW. Renewables supplied 46%.

31.2GW AVERAGEWind10.21 GW32%Hydro0.40 GW1%Biomass1.45 GW5%Solar4.11 GW13%Gas5.92 GW19%Imports5.95 GW19%Nuclear3.84 GW12%31.2GW AVERAGE32%13%19%19%12%
Price
£68.70/MWh
Day average £68.70
Demand31.2GW
Generation 25.9Transfers 5.3
Fossil fuels19%
Renewables46%
Other35%
Carbon intensityLow
104g/kWh
0Day average 104300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Tuesday 1 April 2025, wind supplied 32% of Great Britain’s electricity and gas 19%. Demand peaked at 37.6 GW at 10:00. Carbon intensity averaged 104 g/kWh and the price £68.70/MWh. Wind generation peaked at 17.0 GW at 22:50. Solar generation peaked at 13.6 GW at 13:00. Carbon intensity was lowest at 12:30 (45 g/kWh) and highest at 06:30 (185 g/kWh). The wholesale price ranged from £0.60/MWh at 23:30 to £120.58/MWh at 07:30. Wind made 39% 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 4.1112.9%Wind 10.2132.0%Gas 5.9218.6%Hydro 0.401.3%Biomass 1.454.6%Nuclear 3.8412.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.2avgGeneration 25.9avgTransfers 5.3avg
The day in figurespeaks, averages, totals
Peak demand37.6GW · 10:00
Low 23.1 · 04:05Avg 31.20–40 GW
Made in Great Britain83%of demand
Generation 25.9Transfers 5.3 GW
Net imports129GWh
In
140 Out
11
Zero-carbon share72%of generation
Nuclear 15%Hydro 2%Wind 39%Solar 16%

Transfers · Tue 1 Apr

Interconnectors and storage

On Tuesday 1 April 2025, Great Britain imported 140 GWh and exported 11 GWh through its interconnectors. The most came from France (66 GWh), and the most exports went to Denmark (5 GWh).

All interconnectors

Tue 1 Apr
Imported
140GWh
Exported
11GWh
Net in
129GWh
Average net flow
5.39GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.77GWImporting

In 19.7 GWhOut 1.1 GWh

Denmark

Viking Link

Average0.22GWImporting

In 10.0 GWhOut 4.8 GWh

France

IFA · IFA2 · ElecLink

Average2.76GWImporting

In 66.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.00GWIdle

In 3.1 GWhOut 3.1 GWh

Netherlands

BritNed

Average0.64GWImporting

In 17.4 GWhOut 2.0 GWh

Norway

North Sea Link

Average1.00GWImporting

In 23.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 2.6 GWhPumped 4.5 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.