Electricity Live

Great Britain’s electricity on Sunday 30 March 2025

On Sunday 30 March, demand averaged 28.1 GW. Renewables supplied 59%.

28.1GW AVERAGEWind13.98 GW45%Hydro0.52 GW2%Biomass0.53 GW2%Solar3.99 GW13%Gas4.66 GW15%Imports3.99 GW13%Nuclear3.73 GW12%28.1GW AVERAGE45%13%15%13%12%
Price
£27.50/MWh
Day average £27.50
Demand28.1GW
Generation 27.4Transfers 0.7
Fossil fuels15%
Renewables59%
Other26%
Carbon intensityLow
82g/kWh
0Day average 82300
Save as image
Recorded 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 Sunday 30 March 2025, wind supplied 45% of Great Britain’s electricity and gas 15%. Demand peaked at 33.0 GW at 12:05. Carbon intensity averaged 82 g/kWh and the price £27.50/MWh. Wind generation peaked at 21.3 GW at 00:35. Solar generation peaked at 12.8 GW at 13:00. Carbon intensity was lowest at 10:30 (37 g/kWh) and highest at 21:30 (178 g/kWh). The wholesale price ranged from −£14.50/MWh at 12:00 to £113.31/MWh at 21:00. The price was below zero for 9 hours. Wind made 51% 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 3.9912.7%Wind 13.9844.5%Gas 4.6614.8%Hydro 0.521.7%Biomass 0.531.7%Nuclear 3.7311.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 27.4avgTransfers 0.7avg
The day in figurespeaks, averages, totals
Peak demand33.0GW · 12:05
Low 22.6 · 06:40Avg 28.10–40 GW
Made in Great Britain98%of demand
Generation 27.4Transfers 0.7 GW
Net imports27GWh
In
86 Out
59
Zero-carbon share81%of generation
Nuclear 14%Hydro 2%Wind 51%Solar 15%

Transfers · Sun 30 Mar

Interconnectors and storage

On Sunday 30 March 2025, Great Britain imported 86 GWh and exported 59 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (32 GWh).

All interconnectors

Sun 30 Mar
Imported
86GWh
Exported
59GWh
Net in
27GWh
Average net flow
1.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 12.4 GWhOut 5.4 GWh

Denmark

Viking Link

Average0.16GWImporting

In 10.2 GWhOut 6.5 GWh

France

IFA · IFA2 · ElecLink

Average1.80GWImporting

In 42.5 GWhOut 1.1 GWh

Ireland

Moyle · East–West · Greenlink

Average1.37GWExporting

In 0.0 GWhOut 31.5 GWh

Netherlands

BritNed

Average0.34GWImporting

In 12.4 GWhOut 4.7 GWh

Norway

North Sea Link

Average0.04GWExporting

In 8.4 GWhOut 9.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.50GWPumping

Generated 5.9 GWhPumped 17.4 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.