Electricity Live

Great Britain’s electricity on Friday 12 March 2021

On Friday 12 March, demand averaged 34.3 GW. Renewables supplied 51%.

34.3GW AVERAGEWind15.57 GW45%Hydro0.55 GW2%Biomass2.69 GW8%Solar1.45 GW4%Gas6.73 GW19%Imports3.33 GW10%Nuclear4.30 GW12%34.3GW AVERAGE45%8%19%10%12%
Price
£53.06/MWh
Day average £53.06
Demand34.3GW
Generation 31.3Transfers 3.0
Fossil fuels19%
Renewables51%
Other30%
Carbon intensityLow
105g/kWh
0Day average 105300
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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 Friday 12 March 2021, wind supplied 45% of Great Britain’s electricity and gas 19%. Demand peaked at 40.9 GW at 18:25. Carbon intensity averaged 105 g/kWh and the price £53.06/MWh. Wind generation peaked at 17.2 GW at 13:00. Solar generation peaked at 5.5 GW at 12:00. Carbon intensity was lowest at 03:30 (80 g/kWh) and highest at 18:00 (147 g/kWh). The wholesale price ranged from £19.15/MWh at 05:00 to £71.99/MWh at 08:30. Wind made 50% 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 1.454.2%Wind 15.5745.0%Gas 6.7319.5%Hydro 0.551.6%Biomass 2.697.8%Nuclear 4.3012.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.3avgGeneration 31.3avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand40.9GW · 18:25
Low 25.3 · 04:35Avg 34.30–60 GW
Made in Great Britain91%of demand
Generation 31.3Transfers 3.0 GW
Net imports71GWh
In
74 Out
3
Zero-carbon share70%of generation
Nuclear 14%Hydro 2%Wind 50%Solar 5%

Transfers · Fri 12 Mar

Interconnectors and storage

On Friday 12 March 2021, Great Britain imported 74 GWh and exported 3 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to France (3 GWh).

All interconnectors

Fri 12 Mar
Imported
74GWh
Exported
3GWh
Net in
71GWh
Average net flow
2.96GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.82GWImporting

In 19.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.58GWImporting

In 40.9 GWhOut 3.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.57GWImporting

In 13.6 GWhOut 0.0 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

Average0.03GWGenerating

Generated 5.8 GWhPumped 5.0 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.