Electricity Live

Great Britain’s electricity on Wednesday 5 September 2018

On Wednesday 5 September, demand averaged 31.5 GW. Renewables supplied 15%.

31.5GW AVERAGEWind2.81 GW9%Hydro0.20 GW1%Biomass2.43 GW8%Solar1.66 GW5%Gas13.40 GW42%Coal2.12 GW7%Imports1.54 GW5%Nuclear7.88 GW25%31.5GW AVERAGE9%8%42%25%
Price
£68.10/MWh
Day average £68.10
Demand31.5GW
Generation 30.5Transfers 1.0
Fossil fuels42%
Renewables15%
Other37%
Carbon intensityHigh
290g/kWh
0Day average 290300
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 5 September 2018, gas supplied 42% of Great Britain’s electricity and nuclear 25%. Demand peaked at 37.8 GW at 17:25. Carbon intensity averaged 290 g/kWh and the price £68.10/MWh. Wind generation peaked at 3.5 GW at 18:25. Solar generation peaked at 5.1 GW at 12:30. Carbon intensity was lowest at 00:30 (241 g/kWh) and highest at 07:30 (325 g/kWh). The wholesale price ranged from £53.70/MWh at 01:00 to £99.51/MWh at 08:30. Gas made 44% 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 1.665.2%Wind 2.818.8%Gas 13.4041.8%Hydro 0.200.6%Biomass 2.437.6%Nuclear 7.8824.6%Coal 2.126.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.5avgGeneration 30.5avgTransfers 1.0avg
The day in figurespeaks, averages, totals
Peak demand37.8GW · 17:25
Low 21.5 · 03:25Avg 31.50–40 GW
Made in Great Britain97%of demand
Generation 30.5Transfers 1.0 GW
Net imports25GWh
In
33 Out
7
Zero-carbon share41%of generation
Nuclear 26%Hydro 1%Wind 9%Solar 5%

Transfers · Wed 5 Sept

Interconnectors and storage

On Wednesday 5 September 2018, Great Britain imported 33 GWh and exported 7 GWh through its interconnectors. The most came from France (16 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Wed 5 Sept
Imported
33GWh
Exported
7GWh
Net in
25GWh
Average net flow
1.06GW 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

Average0.64GWImporting

In 16.0 GWhOut 0.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWExporting

In 4.2 GWhOut 6.4 GWh

Netherlands

BritNed

Average0.51GWImporting

In 12.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 4.5 GWhPumped 6.0 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.