Electricity Live

Great Britain’s electricity on Monday 15 March 2021

On Monday 15 March, demand averaged 34.4 GW. Renewables supplied 29%.

34.4GW AVERAGEWind8.17 GW23%Hydro0.53 GW2%Biomass2.84 GW8%Solar1.45 GW4%Gas13.94 GW40%Coal0.40 GW1%Imports3.36 GW10%Nuclear4.45 GW13%34.4GW AVERAGE23%8%40%10%13%
Price
£62.59/MWh
Day average £62.59
Demand34.4GW
Generation 31.8Transfers 2.6
Fossil fuels40%
Renewables29%
Other30%
Carbon intensityModerate
188g/kWh
0Day average 188300
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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 Monday 15 March 2021, gas supplied 40% of Great Britain’s electricity and wind 23%. Demand peaked at 41.6 GW at 18:35. Carbon intensity averaged 188 g/kWh and the price £62.59/MWh. Wind generation peaked at 13.6 GW at 00:20. Solar generation peaked at 5.3 GW at 12:30. Carbon intensity was lowest at 00:00 (88 g/kWh) and highest at 19:30 (269 g/kWh). The wholesale price ranged from £21.46/MWh at 00:00 to £197.75/MWh at 18:30. Gas made 44% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.454.1%Wind 8.1723.2%Gas 13.9439.7%Hydro 0.531.5%Biomass 2.848.1%Nuclear 4.4512.7%Coal 0.401.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.4avgGeneration 31.8avgTransfers 2.6avg
The day in figurespeaks, averages, totals
Peak demand41.6GW · 18:35
Low 24.4 · 03:50Avg 34.40–60 GW
Made in Great Britain92%of demand
Generation 31.8Transfers 2.6 GW
Net imports60GWh
In
72 Out
13
Zero-carbon share46%of generation
Nuclear 14%Hydro 2%Wind 26%Solar 5%

Transfers · Mon 15 Mar

Interconnectors and storage

On Monday 15 March 2021, Great Britain imported 72 GWh and exported 13 GWh through its interconnectors. The most came from France (51 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Mon 15 Mar
Imported
72GWh
Exported
13GWh
Net in
60GWh
Average net flow
2.49GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.90GWImporting

In 21.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.12GWImporting

In 50.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.52GWExporting

In 0.0 GWhOut 12.5 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWGenerating

Generated 8.2 GWhPumped 5.5 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.