Electricity Live

Great Britain’s electricity on Sunday 23 September 2018

On Sunday 23 September, demand averaged 29.4 GW. Renewables supplied 29%.

29.4GW AVERAGEWind6.76 GW23%Hydro0.53 GW2%Biomass1.61 GW5%Solar1.35 GW5%Gas7.94 GW27%Coal2.05 GW7%Imports2.76 GW9%Nuclear6.74 GW23%29.4GW AVERAGE23%27%9%23%
Price
£67.64/MWh
Day average £67.64
Demand29.4GW
Generation 27.0Transfers 2.4
Fossil fuels27%
Renewables29%
Other37%
Carbon intensityModerate
231g/kWh
0Day average 231300
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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 23 September 2018, gas supplied 27% of Great Britain’s electricity and wind 23%. Demand peaked at 36.8 GW at 19:30. Carbon intensity averaged 231 g/kWh and the price £67.64/MWh. Wind generation peaked at 11.2 GW at 17:50. Solar generation peaked at 5.3 GW at 14:00. Carbon intensity was lowest at 16:00 (162 g/kWh) and highest at 01:00 (293 g/kWh). The wholesale price ranged from £0.00/MWh at 03:00 to £85.00/MWh at 10:00. Gas made 29% 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 1.354.5%Wind 6.7622.7%Gas 7.9426.7%Hydro 0.531.8%Biomass 1.615.4%Nuclear 6.7422.7%Coal 2.056.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 27.0avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand36.8GW · 19:30
Low 21.0 · 04:40Avg 29.40–40 GW
Made in Great Britain92%of demand
Generation 27.0Transfers 2.4 GW
Net imports62GWh
In
63 Out
1
Zero-carbon share57%of generation
Nuclear 25%Hydro 2%Wind 25%Solar 5%

Transfers · Sun 23 Sept

Interconnectors and storage

On Sunday 23 September 2018, Great Britain imported 63 GWh and exported 1 GWh through its interconnectors. The most came from France (40 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sun 23 Sept
Imported
63GWh
Exported
1GWh
Net in
62GWh
Average net flow
2.59GW 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

Average1.68GWImporting

In 40.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.06GWImporting

In 2.6 GWhOut 1.3 GWh

Netherlands

BritNed

Average0.85GWImporting

In 20.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 2.9 GWhPumped 7.5 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.