Electricity Live

Great Britain’s electricity on Sunday 17 October 2021

On Sunday 17 October, demand averaged 28.1 GW. Renewables supplied 30%.

28.1GW AVERAGEWind7.36 GW26%Hydro0.50 GW2%Biomass2.27 GW8%Solar0.69 GW2%Gas9.79 GW34%Coal0.24 GW1%Imports3.60 GW13%Nuclear4.30 GW15%28.1GW AVERAGE26%8%34%13%15%
Price
£175.27/MWh
Day average £175.27
Demand28.1GW
Generation 25.2Transfers 3.0
Fossil fuels34%
Renewables30%
Other35%
Carbon intensityModerate
167g/kWh
0Day average 167300
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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 17 October 2021, gas supplied 34% of Great Britain’s electricity and wind 26%. Demand peaked at 35.4 GW at 18:35. Carbon intensity averaged 167 g/kWh and the price £175.27/MWh. Wind generation peaked at 8.6 GW at 10:35. Solar generation peaked at 3.0 GW at 13:30. Carbon intensity was lowest at 04:30 (119 g/kWh) and highest at 20:00 (236 g/kWh). The wholesale price ranged from £102.14/MWh at 04:00 to £247.89/MWh at 18:30. Gas made 39% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.692.4%Wind 7.3625.6%Gas 9.7934.1%Hydro 0.501.7%Biomass 2.277.9%Nuclear 4.3015.0%Coal 0.240.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 25.2avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand35.4GW · 18:35
Low 20.2 · 04:55Avg 28.10–40 GW
Made in Great Britain89%of demand
Generation 25.2Transfers 3.0 GW
Net imports76GWh
In
84 Out
8
Zero-carbon share51%of generation
Nuclear 17%Hydro 2%Wind 29%Solar 3%

Transfers · Sun 17 Oct

Interconnectors and storage

On Sunday 17 October 2021, Great Britain imported 84 GWh and exported 8 GWh through its interconnectors. The most came from France (23 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Sun 17 Oct
Imported
84GWh
Exported
8GWh
Net in
76GWh
Average net flow
3.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.92GWImporting

In 22.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.97GWImporting

In 23.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.23GWExporting

In 2.2 GWhOut 7.6 GWh

Netherlands

BritNed

Average0.82GWImporting

In 19.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 2.6 GWhPumped 7.9 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.