Electricity Live

Great Britain’s electricity on Tuesday 15 September 2020

On Tuesday 15 September, demand averaged 29.9 GW. Renewables supplied 12%.

29.9GW AVERAGEWind1.37 GW4%Hydro0.65 GW2%Biomass1.75 GW5%Solar1.81 GW6%Gas18.48 GW58%Coal1.61 GW5%Imports1.56 GW5%Nuclear4.68 GW15%29.9GW AVERAGE58%15%
Price
£106.72/MWh
Day average £106.72
Demand29.9GW
Generation 30.4Transfers −0.4
Fossil fuels58%
Renewables12%
Other25%
Carbon intensityHigh
299g/kWh
0Day average 299300
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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 Tuesday 15 September 2020, gas supplied 58% of Great Britain’s electricity and nuclear 15%. Demand peaked at 35.6 GW at 12:00. Carbon intensity averaged 299 g/kWh and the price £106.72/MWh. Wind generation peaked at 2.2 GW at 21:45. Solar generation peaked at 6.4 GW at 12:00. Carbon intensity was lowest at 11:30 (275 g/kWh) and highest at 21:30 (332 g/kWh). The wholesale price ranged from £31.30/MWh at 02:00 to £510.88/MWh at 18:00. Gas made 61% of the electricity generated in Great Britain, compared with 38% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.815.7%Wind 1.374.3%Gas 18.4857.9%Hydro 0.652.0%Biomass 1.755.5%Nuclear 4.6814.7%Coal 1.615.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.9avgGeneration 30.4avgTransfers −0.4avg
The day in figurespeaks, averages, totals
Peak demand35.6GW · 12:00
Low 21.0 · 04:05Avg 29.90–40 GW
Made in Great Britain101%of demand
Generation 30.4Transfers −0.4 GW
Net exports10GWh
In
29 Out
39
Zero-carbon share28%of generation
Nuclear 15%Hydro 2%Wind 5%Solar 6%

Transfers · Tue 15 Sept

Interconnectors and storage

On Tuesday 15 September 2020, Great Britain imported 29 GWh and exported 39 GWh through its interconnectors. The most came from Netherlands (11 GWh), and the most exports went to France (21 GWh).

All interconnectors

Tue 15 Sept
Imported
29GWh
Exported
39GWh
Net out
10GWh
Average net flow
0.40GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWExporting

In 7.4 GWhOut 7.8 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.69GWExporting

In 4.7 GWhOut 21.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWExporting

In 5.8 GWhOut 6.5 GWh

Netherlands

BritNed

Average0.33GWImporting

In 11.2 GWhOut 3.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 8.3 GWhPumped 9.0 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.