Electricity Live

Great Britain’s electricity on Sunday 9 March 2025

On Sunday 9 March, demand averaged 27.9 GW. Renewables supplied 25%.

27.9GW AVERAGEWind4.11 GW14%Hydro0.55 GW2%Biomass1.15 GW4%Solar2.61 GW9%Gas9.51 GW33%Imports7.27 GW25%Nuclear3.61 GW13%27.9GW AVERAGE14%9%33%25%13%
Price
£92.21/MWh
Day average £92.21
Demand27.9GW
Generation 21.5Transfers 6.4
Fossil fuels33%
Renewables25%
Other42%
Carbon intensityModerate
166g/kWh
0Day average 166300
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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 9 March 2025, gas supplied 33% of Great Britain’s electricity and wind 14%. Demand peaked at 34.5 GW at 18:35. Carbon intensity averaged 166 g/kWh and the price £92.21/MWh. Wind generation peaked at 8.3 GW at 00:00. Solar generation peaked at 9.9 GW at 12:00. Carbon intensity was lowest at 11:00 (119 g/kWh) and highest at 20:00 (236 g/kWh). The wholesale price ranged from £74.67/MWh at 14:30 to £114.23/MWh at 18:00. Gas made 44% 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 2.619.1%Wind 4.1114.2%Gas 9.5133.0%Hydro 0.551.9%Biomass 1.154.0%Nuclear 3.6112.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.9avgGeneration 21.5avgTransfers 6.4avg
The day in figurespeaks, averages, totals
Peak demand34.5GW · 18:35
Low 21.4 · 04:10Avg 27.90–40 GW
Made in Great Britain77%of demand
Generation 21.5Transfers 6.4 GW
Net imports151GWh
In
170 Out
19
Zero-carbon share51%of generation
Nuclear 17%Hydro 3%Wind 19%Solar 12%

Transfers · Sun 9 Mar

Interconnectors and storage

On Sunday 9 March 2025, Great Britain imported 170 GWh and exported 19 GWh through its interconnectors. The most came from France (92 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Sun 9 Mar
Imported
170GWh
Exported
19GWh
Net in
151GWh
Average net flow
6.31GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.85GWImporting

In 20.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.74GWImporting

In 18.1 GWhOut 0.3 GWh

France

IFA · IFA2 · ElecLink

Average3.85GWImporting

In 92.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.77GWExporting

In 0.0 GWhOut 18.6 GWh

Netherlands

BritNed

Average0.94GWImporting

In 22.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.70GWImporting

In 16.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 4.2 GWhPumped 2.6 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.