Electricity Live

Great Britain’s electricity on Tuesday 21 July 2020

On Tuesday 21 July, demand averaged 28.0 GW. Renewables supplied 15%.

28.0GW AVERAGEWind1.62 GW5%Hydro0.32 GW1%Biomass3.02 GW10%Solar2.54 GW9%Gas15.57 GW52%Imports1.41 GW5%Nuclear5.31 GW18%28.0GW AVERAGE10%9%52%18%
Price
£30.09/MWh
Day average £30.09
Demand28.0GW
Generation 28.4Transfers −0.4
Fossil fuels52%
Renewables15%
Other33%
Carbon intensityModerate
239g/kWh
0Day average 239300
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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 Tuesday 21 July 2020, gas supplied 52% of Great Britain’s electricity and nuclear 18%. Demand peaked at 33.5 GW at 11:55. Carbon intensity averaged 239 g/kWh and the price £30.09/MWh. Data for this day starts at 00:55. Wind generation peaked at 2.4 GW at 06:10. Solar generation peaked at 7.0 GW at 11:30. Carbon intensity was lowest at 10:30 (217 g/kWh) and highest at 21:00 (283 g/kWh). The wholesale price ranged from £23.01/MWh at 10:30 to £37.32/MWh at 20:00. Gas made 55% of the electricity generated in Great Britain, compared with 38% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.548.5%Wind 1.625.5%Gas 15.5752.3%Hydro 0.321.1%Biomass 3.0210.1%Nuclear 5.3117.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 28.4avgTransfers −0.4avg
The day in figurespeaks, averages, totals
Peak demand33.5GW · 11:55
Low 19.4 · 04:55Avg 28.00–40 GW
Made in Great Britain101%of demand
Generation 28.4Transfers −0.4 GW
Net exports9GWh
In
31 Out
40
Zero-carbon share35%of generation
Nuclear 19%Hydro 1%Wind 6%Solar 9%

Transfers · Tue 21 Jul

Interconnectors and storage

On Tuesday 21 July 2020, Great Britain imported 31 GWh and exported 40 GWh through its interconnectors. The most came from Netherlands (15 GWh), and the most exports went to France (25 GWh).

All interconnectors

Tue 21 Jul
Imported
31GWh
Exported
40GWh
Net out
9GWh
Average net flow
0.40GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.55GWImporting

In 13.1 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.99GWExporting

In 2.5 GWhOut 25.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.58GWExporting

In 0.1 GWhOut 13.5 GWh

Netherlands

BritNed

Average0.62GWImporting

In 15.1 GWhOut 0.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 1.9 GWhPumped 2.3 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.