Electricity Live

Great Britain’s electricity on Sunday 14 March 2021

On Sunday 14 March, demand averaged 31.7 GW. Renewables supplied 52%.

31.7GW AVERAGEWind15.19 GW47%Hydro0.48 GW1%Biomass2.41 GW7%Solar1.10 GW3%Gas6.18 GW19%Imports2.63 GW8%Nuclear4.43 GW14%31.7GW AVERAGE47%7%19%8%14%
Price
£33.51/MWh
Day average £33.51
Demand31.7GW
Generation 29.8Transfers 1.9
Fossil fuels19%
Renewables52%
Other29%
Carbon intensityLow
98g/kWh
0Day average 98300
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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 14 March 2021, wind supplied 47% of Great Britain’s electricity and gas 19%. Demand peaked at 39.8 GW at 17:25. Carbon intensity averaged 98 g/kWh and the price £33.51/MWh. Wind generation peaked at 16.8 GW at 09:15. Solar generation peaked at 4.5 GW at 10:30. Carbon intensity was lowest at 07:00 (65 g/kWh) and highest at 18:30 (162 g/kWh). The wholesale price ranged from £13.94/MWh at 03:30 to £71.37/MWh at 18:00. Wind made 51% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.103.4%Wind 15.1946.9%Gas 6.1819.1%Hydro 0.481.5%Biomass 2.417.4%Nuclear 4.4313.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 29.8avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand39.8GW · 17:25
Low 24.3 · 04:15Avg 31.70–40 GW
Made in Great Britain94%of demand
Generation 29.8Transfers 1.9 GW
Net imports59GWh
In
60 Out
2
Zero-carbon share71%of generation
Nuclear 15%Hydro 2%Wind 51%Solar 4%

Transfers · Sun 14 Mar

Interconnectors and storage

On Sunday 14 March 2021, Great Britain imported 60 GWh and exported 2 GWh through its interconnectors. The most came from France (38 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sun 14 Mar
Imported
60GWh
Exported
2GWh
Net in
59GWh
Average net flow
2.45GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.76GWImporting

In 18.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.57GWImporting

In 37.9 GWhOut 0.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.12GWImporting

In 4.3 GWhOut 1.4 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

Average0.54GWPumping

Generated 2.6 GWhPumped 15.4 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.