Electricity Live

Great Britain’s electricity on Saturday 22 March 2025

On Saturday 22 March, demand averaged 28.6 GW. Renewables supplied 38%.

28.6GW AVERAGEWind9.62 GW32%Hydro0.26 GW1%Biomass0.96 GW3%Solar1.49 GW5%Gas6.49 GW22%Imports7.34 GW25%Nuclear3.49 GW12%28.6GW AVERAGE32%22%25%12%
Price
£90.27/MWh
Day average £90.27
Demand28.6GW
Generation 22.3Transfers 6.3
Fossil fuels22%
Renewables38%
Other40%
Carbon intensityLow
118g/kWh
0Day average 118300
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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 Saturday 22 March 2025, wind supplied 32% of Great Britain’s electricity and gas 22%. Demand peaked at 32.8 GW at 11:05. Carbon intensity averaged 118 g/kWh and the price £90.27/MWh. Wind generation peaked at 13.9 GW at 00:00. Solar generation peaked at 6.0 GW at 11:30. Carbon intensity was lowest at 04:00 (69 g/kWh) and highest at 18:00 (187 g/kWh). The wholesale price ranged from £36.30/MWh at 05:30 to £133.76/MWh at 18:30. Wind made 43% 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 1.495.0%Wind 9.6232.4%Gas 6.4921.9%Hydro 0.260.9%Biomass 0.963.2%Nuclear 3.4911.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 22.3avgTransfers 6.3avg
The day in figurespeaks, averages, totals
Peak demand32.8GW · 11:05
Low 23.1 · 04:10Avg 28.60–40 GW
Made in Great Britain78%of demand
Generation 22.3Transfers 6.3 GW
Net imports158GWh
In
171 Out
13
Zero-carbon share67%of generation
Nuclear 16%Hydro 1%Wind 43%Solar 7%

Transfers · Sat 22 Mar

Interconnectors and storage

On Saturday 22 March 2025, Great Britain imported 171 GWh and exported 13 GWh through its interconnectors. The most came from France (91 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Sat 22 Mar
Imported
171GWh
Exported
13GWh
Net in
158GWh
Average net flow
6.60GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.53GWImporting

In 13.5 GWhOut 0.7 GWh

Denmark

Viking Link

Average1.14GWImporting

In 27.3 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.79GWImporting

In 90.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.45GWExporting

In 0.9 GWhOut 11.7 GWh

Netherlands

BritNed

Average0.67GWImporting

In 16.3 GWhOut 0.2 GWh

Norway

North Sea Link

Average0.92GWImporting

In 22.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.30GWPumping

Generated 5.2 GWhPumped 12.4 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.