Electricity Live

Great Britain’s electricity on Friday 20 September 2019

On Friday 20 September, demand averaged 30.5 GW. Renewables supplied 24%.

30.5GW AVERAGEWind4.79 GW15%Hydro0.46 GW1%Biomass1.76 GW6%Solar2.26 GW7%Gas12.46 GW40%Coal0.31 GW1%Imports2.37 GW8%Nuclear6.81 GW22%30.5GW AVERAGE15%7%40%8%22%
Price
£30.60/MWh
Day average £30.60
Demand30.5GW
Generation 28.8Transfers 1.6
Fossil fuels40%
Renewables24%
Other35%
Carbon intensityModerate
207g/kWh
0Day average 207300
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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 Friday 20 September 2019, gas supplied 40% of Great Britain’s electricity and nuclear 22%. Demand peaked at 36.7 GW at 12:30. Carbon intensity averaged 207 g/kWh and the price £30.60/MWh. Wind generation peaked at 11.3 GW at 23:40. Solar generation peaked at 8.0 GW at 13:00. Carbon intensity was lowest at 23:30 (88 g/kWh) and highest at 06:00 (272 g/kWh). The wholesale price ranged from £14.90/MWh at 23:30 to £46.29/MWh at 07:30. Gas made 43% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.267.3%Wind 4.7915.3%Gas 12.4639.9%Hydro 0.461.5%Biomass 1.765.6%Nuclear 6.8121.8%Coal 0.311.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.5avgGeneration 28.8avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand36.7GW · 12:30
Low 21.4 · 03:25Avg 30.50–40 GW
Made in Great Britain95%of demand
Generation 28.8Transfers 1.6 GW
Net imports43GWh
In
55 Out
12
Zero-carbon share50%of generation
Nuclear 24%Hydro 2%Wind 17%Solar 8%

Transfers · Fri 20 Sept

Interconnectors and storage

On Friday 20 September 2019, Great Britain imported 55 GWh and exported 12 GWh through its interconnectors. The most came from France (20 GWh), and the most exports went to Netherlands (5 GWh).

All interconnectors

Fri 20 Sept
Imported
55GWh
Exported
12GWh
Net in
43GWh
Average net flow
1.79GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.78GWImporting

In 18.7 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.64GWImporting

In 20.1 GWhOut 4.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWImporting

In 8.9 GWhOut 1.6 GWh

Netherlands

BritNed

Average0.07GWImporting

In 7.0 GWhOut 5.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 2.4 GWhPumped 6.5 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.