Electricity Live

Great Britain’s electricity on Sunday 16 March 2025

On Sunday 16 March, demand averaged 31.2 GW. Renewables supplied 23%.

31.2GW AVERAGEWind5.04 GW15%Hydro0.33 GW1%Biomass2.93 GW9%Solar2.07 GW6%Gas10.63 GW33%Imports7.97 GW24%Nuclear3.65 GW11%31.2GW AVERAGE15%9%33%24%11%
Price
£96.02/MWh
Day average £96.02
Demand31.2GW
Generation 24.7Transfers 6.6
Fossil fuels33%
Renewables23%
Other45%
Carbon intensityModerate
168g/kWh
0Day average 168300
Save as image
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 16 March 2025, gas supplied 33% of Great Britain’s electricity and wind 15%. Demand peaked at 37.6 GW at 19:05. Carbon intensity averaged 168 g/kWh and the price £96.02/MWh. Wind generation peaked at 7.7 GW at 21:35. Solar generation peaked at 7.8 GW at 10:30. Carbon intensity was lowest at 23:30 (135 g/kWh) and highest at 17:30 (201 g/kWh). The wholesale price ranged from £84.99/MWh at 10:00 to £124.44/MWh at 18:30. Gas made 43% 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 2.076.4%Wind 5.0415.5%Gas 10.6332.6%Hydro 0.331.0%Biomass 2.939.0%Nuclear 3.6511.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.2avgGeneration 24.7avgTransfers 6.6avg
The day in figurespeaks, averages, totals
Peak demand37.6GW · 19:05
Low 24.8 · 05:15Avg 31.20–40 GW
Made in Great Britain79%of demand
Generation 24.7Transfers 6.6 GW
Net imports157GWh
In
189 Out
32
Zero-carbon share45%of generation
Nuclear 15%Hydro 1%Wind 20%Solar 8%

Transfers · Sun 16 Mar

Interconnectors and storage

On Sunday 16 March 2025, Great Britain imported 189 GWh and exported 32 GWh through its interconnectors. The most came from France (94 GWh), and the most exports went to Ireland (32 GWh).

All interconnectors

Sun 16 Mar
Imported
189GWh
Exported
32GWh
Net in
157GWh
Average net flow
6.54GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.85GWImporting

In 20.6 GWhOut 0.1 GWh

Denmark

Viking Link

Average1.14GWImporting

In 27.5 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.90GWImporting

In 93.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.32GWExporting

In 0.0 GWhOut 31.7 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.00GWImporting

In 23.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 2.4 GWhPumped 2.0 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.