Electricity Live

Great Britain’s electricity on Wednesday 20 March 2024

On Wednesday 20 March, demand averaged 31.1 GW. Renewables supplied 15%.

31.1GW AVERAGEWind3.09 GW10%Hydro0.69 GW2%Biomass1.64 GW5%Solar1.09 GW3%Gas14.73 GW45%Coal0.93 GW3%Imports6.30 GW19%Nuclear3.96 GW12%31.1GW AVERAGE10%45%19%12%
Price
£81.34/MWh
Day average £81.34
Demand31.1GW
Generation 26.1Transfers 5.0
Fossil fuels45%
Renewables15%
Other37%
Carbon intensityHigh
225g/kWh
0Day average 225300
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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 20 March 2024, gas supplied 45% of Great Britain’s electricity and nuclear 12%. Demand peaked at 36.9 GW at 11:55. Carbon intensity averaged 225 g/kWh and the price £81.34/MWh. Wind generation peaked at 5.9 GW at 23:45. Solar generation peaked at 4.3 GW at 11:30. Carbon intensity was lowest at 23:30 (152 g/kWh) and highest at 18:30 (250 g/kWh). The wholesale price ranged from £64.73/MWh at 03:30 to £120.63/MWh at 18:30. Gas made 56% of the electricity generated in Great Britain, compared with 31% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.093.4%Wind 3.099.5%Gas 14.7345.4%Hydro 0.692.1%Biomass 1.645.1%Nuclear 3.9612.2%Coal 0.932.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 26.1avgTransfers 5.0avg
The day in figurespeaks, averages, totals
Peak demand36.9GW · 11:55
Low 22.3 · 04:05Avg 31.10–40 GW
Made in Great Britain84%of demand
Generation 26.1Transfers 5.0 GW
Net imports114GWh
In
141 Out
28
Zero-carbon share34%of generation
Nuclear 15%Hydro 3%Wind 12%Solar 4%

Transfers · Wed 20 Mar

Interconnectors and storage

On Wednesday 20 March 2024, Great Britain imported 141 GWh and exported 28 GWh through its interconnectors. The most came from France (67 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Wed 20 Mar
Imported
141GWh
Exported
28GWh
Net in
114GWh
Average net flow
4.73GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.65GWImporting

In 16.6 GWhOut 1.0 GWh

Denmark

Viking Link

Average0.28GWImporting

In 10.8 GWhOut 4.1 GWh

France

IFA · IFA2 · ElecLink

Average2.80GWImporting

In 67.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.82GWExporting

In 0.0 GWhOut 19.7 GWh

Netherlands

BritNed

Average0.45GWImporting

In 13.8 GWhOut 3.0 GWh

Norway

North Sea Link

Average1.37GWImporting

In 32.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.25GWGenerating

Generated 9.9 GWhPumped 4.0 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.