Electricity Live

Great Britain’s electricity on Thursday 13 March 2025

On Thursday 13 March, demand averaged 34.7 GW. Renewables supplied 21%.

34.7GW AVERAGEWind5.41 GW15%Hydro0.48 GW1%Biomass3.00 GW8%Solar1.74 GW5%Gas17.23 GW47%Imports5.20 GW14%Nuclear3.65 GW10%34.7GW AVERAGE15%8%47%14%10%
Price
£102.39/MWh
Day average £102.39
Demand34.7GW
Generation 31.5Transfers 3.2
Fossil fuels47%
Renewables21%
Other32%
Carbon intensityHigh
209g/kWh
0Day average 209300
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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 Thursday 13 March 2025, gas supplied 47% of Great Britain’s electricity and wind 15%. Demand peaked at 40.4 GW at 10:00. Carbon intensity averaged 209 g/kWh and the price £102.39/MWh. Wind generation peaked at 10.3 GW at 01:50. Solar generation peaked at 5.9 GW at 12:30. Carbon intensity was lowest at 02:00 (143 g/kWh) and highest at 20:30 (261 g/kWh). The wholesale price ranged from £77.49/MWh at 02:00 to £140.85/MWh at 18:30. Gas made 55% 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 1.744.7%Wind 5.4114.7%Gas 17.2346.9%Hydro 0.481.3%Biomass 3.008.2%Nuclear 3.659.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.7avgGeneration 31.5avgTransfers 3.2avg
The day in figurespeaks, averages, totals
Peak demand40.4GW · 10:00
Low 25.7 · 04:05Avg 34.70–60 GW
Made in Great Britain91%of demand
Generation 31.5Transfers 3.2 GW
Net imports76GWh
In
118 Out
42
Zero-carbon share36%of generation
Nuclear 12%Hydro 2%Wind 17%Solar 6%

Transfers · Thu 13 Mar

Interconnectors and storage

On Thursday 13 March 2025, Great Britain imported 118 GWh and exported 42 GWh through its interconnectors. The most came from France (67 GWh), and the most exports went to Ireland (31 GWh).

All interconnectors

Thu 13 Mar
Imported
118GWh
Exported
42GWh
Net in
76GWh
Average net flow
3.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.22GWImporting

In 8.3 GWhOut 3.0 GWh

Denmark

Viking Link

Average0.15GWImporting

In 7.8 GWhOut 4.2 GWh

France

IFA · IFA2 · ElecLink

Average2.78GWImporting

In 66.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.28GWExporting

In 0.0 GWhOut 30.7 GWh

Netherlands

BritNed

Average0.32GWImporting

In 11.6 GWhOut 4.0 GWh

Norway

North Sea Link

Average0.99GWImporting

In 23.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 6.6 GWhPumped 7.2 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.