Electricity Live

Great Britain’s electricity on Wednesday 30 September 2020

On Wednesday 30 September, demand averaged 31.7 GW. Renewables supplied 32%.

31.7GW AVERAGEWind10.02 GW30%Hydro0.20 GW1%Biomass1.28 GW4%Solar0.48 GW1%Gas13.29 GW40%Coal0.25 GW1%Imports1.90 GW6%Nuclear5.76 GW17%31.7GW AVERAGE30%40%17%
Price
£48.43/MWh
Day average £48.43
Demand31.7GW
Generation 31.3Transfers 0.5
Fossil fuels40%
Renewables32%
Other27%
Carbon intensityModerate
184g/kWh
0Day average 184300
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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 Wednesday 30 September 2020, gas supplied 40% of Great Britain’s electricity and wind 30%. Demand peaked at 38.8 GW at 18:50. Carbon intensity averaged 184 g/kWh and the price £48.43/MWh. Wind generation peaked at 13.1 GW at 10:50. Solar generation peaked at 1.9 GW at 11:00. Carbon intensity was lowest at 01:00 (136 g/kWh) and highest at 15:00 (221 g/kWh). The wholesale price ranged from £13.04/MWh at 23:30 to £71.50/MWh at 17:30. Gas made 42% 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 0.481.5%Wind 10.0230.2%Gas 13.2940.1%Hydro 0.200.6%Biomass 1.283.8%Nuclear 5.7617.4%Coal 0.250.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 31.3avgTransfers 0.5avg
The day in figurespeaks, averages, totals
Peak demand38.8GW · 18:50
Low 21.9 · 04:25Avg 31.70–40 GW
Made in Great Britain99%of demand
Generation 31.3Transfers 0.5 GW
Net imports19GWh
In
43 Out
24
Zero-carbon share53%of generation
Nuclear 18%Hydro 1%Wind 32%Solar 2%

Transfers · Wed 30 Sept

Interconnectors and storage

On Wednesday 30 September 2020, Great Britain imported 43 GWh and exported 24 GWh through its interconnectors. The most came from France (19 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Wed 30 Sept
Imported
43GWh
Exported
24GWh
Net in
19GWh
Average net flow
0.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.10GWImporting

In 6.7 GWhOut 4.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.54GWImporting

In 19.1 GWhOut 6.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 3.7 GWhOut 12.8 GWh

Netherlands

BritNed

Average0.52GWImporting

In 13.3 GWhOut 0.9 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.33GWPumping

Generated 2.7 GWhPumped 10.5 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.