Electricity Live

Great Britain’s electricity on Saturday 4 July 2020

On Saturday 4 July, demand averaged 25.2 GW. Renewables supplied 45%.

25.2GW AVERAGEWind10.25 GW39%Hydro0.63 GW2%Biomass1.17 GW4%Solar0.89 GW3%Gas5.54 GW21%Imports2.28 GW9%Nuclear5.27 GW20%25.2GW AVERAGE39%21%9%20%
Price
£20.04/MWh
Day average £20.04
Demand25.2GW
Generation 23.8Transfers 1.4
Fossil fuels21%
Renewables45%
Other33%
Carbon intensityLow
107g/kWh
0Day average 107300
Save as image
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 Saturday 4 July 2020, wind supplied 39% of Great Britain’s electricity and gas 21%. Demand peaked at 29.8 GW at 17:25. Carbon intensity averaged 107 g/kWh and the price £20.04/MWh. Wind generation peaked at 14.1 GW at 22:35. Solar generation peaked at 2.5 GW at 13:30. Carbon intensity was lowest at 22:30 (74 g/kWh) and highest at 17:00 (134 g/kWh). The wholesale price ranged from −£15.75/MWh at 23:30 to £45.31/MWh at 19:00. The price was below zero for 1 hours. Wind made 43% of the electricity generated in Great Britain, compared with 27% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.893.4%Wind 10.2539.4%Gas 5.5421.3%Hydro 0.632.4%Biomass 1.174.5%Nuclear 5.2720.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.2avgGeneration 23.8avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand29.8GW · 17:25
Low 18.4 · 05:05Avg 25.20–30 GW
Made in Great Britain94%of demand
Generation 23.8Transfers 1.4 GW
Net imports37GWh
In
49 Out
12
Zero-carbon share72%of generation
Nuclear 22%Hydro 3%Wind 43%Solar 4%

Transfers · Sat 4 Jul

Interconnectors and storage

On Saturday 4 July 2020, Great Britain imported 49 GWh and exported 12 GWh through its interconnectors. The most came from France (19 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Sat 4 Jul
Imported
49GWh
Exported
12GWh
Net in
37GWh
Average net flow
1.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.55GWImporting

In 13.4 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.64GWImporting

In 19.2 GWhOut 3.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.07GWExporting

In 4.2 GWhOut 5.9 GWh

Netherlands

BritNed

Average0.44GWImporting

In 12.0 GWhOut 1.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 5.8 GWhPumped 8.6 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.