Electricity Live

Great Britain’s electricity on Wednesday 5 March 2025

On Wednesday 5 March, demand averaged 34.6 GW. Renewables supplied 52%.

34.6GW AVERAGEWind15.79 GW44%Hydro0.42 GW1%Biomass1.10 GW3%Solar2.75 GW8%Gas7.11 GW20%Imports4.82 GW13%Nuclear4.14 GW11%34.6GW AVERAGE44%8%20%13%11%
Price
£68.95/MWh
Day average £68.95
Demand34.6GW
Generation 31.3Transfers 3.3
Fossil fuels20%
Renewables52%
Other28%
Carbon intensityLow
97g/kWh
0Day average 97300
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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 5 March 2025, wind supplied 44% of Great Britain’s electricity and gas 20%. Demand peaked at 41.3 GW at 10:00. Carbon intensity averaged 97 g/kWh and the price £68.95/MWh. Wind generation peaked at 17.2 GW at 19:45. Solar generation peaked at 10.6 GW at 12:00. Carbon intensity was lowest at 12:30 (43 g/kWh) and highest at 17:30 (158 g/kWh). The wholesale price ranged from £12.89/MWh at 13:00 to £128.89/MWh at 18:30. Wind made 50% 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 2.757.6%Wind 15.7943.7%Gas 7.1119.7%Hydro 0.421.1%Biomass 1.103.1%Nuclear 4.1411.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.6avgGeneration 31.3avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand41.3GW · 10:00
Low 26.0 · 04:25Avg 34.60–60 GW
Made in Great Britain91%of demand
Generation 31.3Transfers 3.3 GW
Net imports82GWh
In
111 Out
29
Zero-carbon share74%of generation
Nuclear 13%Hydro 1%Wind 50%Solar 9%

Transfers · Wed 5 Mar

Interconnectors and storage

On Wednesday 5 March 2025, Great Britain imported 111 GWh and exported 29 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Wed 5 Mar
Imported
111GWh
Exported
29GWh
Net in
82GWh
Average net flow
3.42GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWExporting

In 4.2 GWhOut 7.0 GWh

Denmark

Viking Link

Average1.38GWImporting

In 33.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.48GWImporting

In 42.4 GWhOut 6.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 3.7 GWhOut 12.9 GWh

Netherlands

BritNed

Average0.36GWImporting

In 10.8 GWhOut 2.2 GWh

Norway

North Sea Link

Average0.70GWImporting

In 16.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 4.8 GWhPumped 8.8 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.