Electricity Live

Great Britain’s electricity on Sunday 16 September 2018

On Sunday 16 September, demand averaged 27.4 GW. Renewables supplied 36%.

27.4GW AVERAGEWind8.89 GW31%Hydro0.41 GW1%Biomass1.60 GW6%Solar1.16 GW4%Gas5.84 GW20%Coal1.47 GW5%Imports2.08 GW7%Nuclear7.28 GW25%27.4GW AVERAGE31%20%7%25%
Price
£50.48/MWh
Day average £50.48
Demand27.4GW
Generation 26.7Transfers 0.8
Fossil fuels20%
Renewables36%
Other38%
Carbon intensityLow
178g/kWh
0Day average 178300
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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 Sunday 16 September 2018, wind supplied 31% of Great Britain’s electricity and nuclear 25%. Demand peaked at 34.1 GW at 19:45. Carbon intensity averaged 178 g/kWh and the price £50.48/MWh. Wind generation peaked at 11.9 GW at 09:15. Solar generation peaked at 4.3 GW at 13:00. Carbon intensity was lowest at 08:00 (122 g/kWh) and highest at 19:30 (260 g/kWh). The wholesale price ranged from £10.37/MWh at 03:30 to £84.18/MWh at 20:00. Wind made 33% of the electricity generated in Great Britain, compared with 19% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.164.1%Wind 8.8930.9%Gas 5.8420.3%Hydro 0.411.4%Biomass 1.605.6%Nuclear 7.2825.3%Coal 1.475.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.4avgGeneration 26.7avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 19:45
Low 19.3 · 04:50Avg 27.40–40 GW
Made in Great Britain97%of demand
Generation 26.7Transfers 0.8 GW
Net imports25GWh
In
43 Out
18
Zero-carbon share67%of generation
Nuclear 27%Hydro 2%Wind 33%Solar 4%

Transfers · Sun 16 Sept

Interconnectors and storage

On Sunday 16 September 2018, Great Britain imported 43 GWh and exported 18 GWh through its interconnectors. The most came from France (27 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Sun 16 Sept
Imported
43GWh
Exported
18GWh
Net in
25GWh
Average net flow
1.05GW 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

Average0.84GWImporting

In 27.1 GWhOut 7.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.18GWExporting

In 3.4 GWhOut 7.7 GWh

Netherlands

BritNed

Average0.39GWImporting

In 12.5 GWhOut 3.1 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.29GWPumping

Generated 6.8 GWhPumped 13.7 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.