Electricity Live

Great Britain’s electricity on Thursday 4 March 2021

On Thursday 4 March, demand averaged 35.7 GW. Renewables supplied 15%.

35.7GW AVERAGEWind4.90 GW13%Hydro0.41 GW1%Biomass2.74 GW7%Solar0.42 GW1%Gas19.32 GW52%Coal0.60 GW2%Imports4.57 GW12%Nuclear4.04 GW11%35.7GW AVERAGE13%7%52%12%11%
Price
£60.97/MWh
Day average £60.97
Demand35.7GW
Generation 32.4Transfers 3.3
Fossil fuels52%
Renewables15%
Other31%
Carbon intensityHigh
258g/kWh
0Day average 258300
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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 Thursday 4 March 2021, gas supplied 52% of Great Britain’s electricity and wind 13%. Demand peaked at 44.1 GW at 18:05. Carbon intensity averaged 258 g/kWh and the price £60.97/MWh. Wind generation peaked at 8.5 GW at 17:55. Solar generation peaked at 1.7 GW at 13:30. Carbon intensity was lowest at 22:30 (208 g/kWh) and highest at 08:00 (299 g/kWh). The wholesale price ranged from £33.70/MWh at 23:00 to £75.18/MWh at 09:00. Gas made 60% 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 0.421.1%Wind 4.9013.3%Gas 19.3252.2%Hydro 0.411.1%Biomass 2.747.4%Nuclear 4.0410.9%Coal 0.601.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.7avgGeneration 32.4avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand44.1GW · 18:05
Low 25.8 · 04:25Avg 35.70–60 GW
Made in Great Britain91%of demand
Generation 32.4Transfers 3.3 GW
Net imports85GWh
In
108 Out
23
Zero-carbon share30%of generation
Nuclear 12%Hydro 1%Wind 15%Solar 1%

Transfers · Thu 4 Mar

Interconnectors and storage

On Thursday 4 March 2021, Great Britain imported 108 GWh and exported 23 GWh through its interconnectors. The most came from France (59 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Thu 4 Mar
Imported
108GWh
Exported
23GWh
Net in
85GWh
Average net flow
3.52GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.98GWImporting

In 23.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.47GWImporting

In 59.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.96GWExporting

In 0.0 GWhOut 23.0 GWh

Netherlands

BritNed

Average1.03GWImporting

In 24.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 2.0 GWhPumped 7.7 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.