Electricity Live

Great Britain’s electricity on Wednesday 4 July 2018

On Wednesday 4 July, demand averaged 31.4 GW. Renewables supplied 12%.

31.4GW AVERAGEWind1.21 GW4%Hydro0.12 GW0%Biomass2.02 GW6%Solar2.56 GW8%Gas16.64 GW52%Coal0.10 GW0%Imports2.91 GW9%Nuclear6.70 GW21%31.4GW AVERAGE8%52%9%21%
Price
£60.07/MWh
Day average £60.07
Demand31.4GW
Generation 29.3Transfers 2.1
Fossil fuels52%
Renewables12%
Other36%
Carbon intensityHigh
280g/kWh
0Day average 280300
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 Wednesday 4 July 2018, gas supplied 52% of Great Britain’s electricity and nuclear 21%. Demand peaked at 37.9 GW at 12:05. Carbon intensity averaged 280 g/kWh and the price £60.07/MWh. Wind generation peaked at 3.0 GW at 00:05. Solar generation peaked at 7.1 GW at 13:30. Carbon intensity was lowest at 00:00 (227 g/kWh) and highest at 19:00 (297 g/kWh). The wholesale price ranged from £46.08/MWh at 04:30 to £79.06/MWh at 16:30. Gas made 57% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.567.9%Wind 1.213.7%Gas 16.6451.6%Hydro 0.120.4%Biomass 2.026.3%Nuclear 6.7020.8%Coal 0.100.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.4avgGeneration 29.3avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand37.9GW · 12:05
Low 21.5 · 04:35Avg 31.40–40 GW
Made in Great Britain93%of demand
Generation 29.3Transfers 2.1 GW
Net imports54GWh
In
64 Out
10
Zero-carbon share36%of generation
Nuclear 23%Hydro 0%Wind 4%Solar 9%

Transfers · Wed 4 Jul

Interconnectors and storage

On Wednesday 4 July 2018, Great Britain imported 64 GWh and exported 10 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (9 GWh).

All interconnectors

Wed 4 Jul
Imported
64GWh
Exported
10GWh
Net in
54GWh
Average net flow
2.24GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.90GWImporting

In 45.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.25GWExporting

In 3.4 GWhOut 9.4 GWh

Netherlands

BritNed

Average0.59GWImporting

In 14.6 GWhOut 0.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 6.1 GWhPumped 9.7 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.