Electricity Live

Great Britain’s electricity on Thursday 9 September 2021

On Thursday 9 September, demand averaged 29.8 GW. Renewables supplied 13%.

29.8GW AVERAGEWind2.44 GW8%Hydro0.22 GW1%Biomass1.06 GW3%Solar1.20 GW4%Gas14.97 GW49%Coal0.88 GW3%Imports4.81 GW16%Nuclear5.20 GW17%29.8GW AVERAGE8%49%16%17%
Price
£666.90/MWh
Day average £666.90
Demand29.8GW
Generation 26.0Transfers 3.8
Fossil fuels49%
Renewables13%
Other36%
Carbon intensityHigh
247g/kWh
0Day average 247300
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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 Thursday 9 September 2021, gas supplied 49% of Great Britain’s electricity and nuclear 17%. Demand peaked at 35.4 GW at 12:40. Carbon intensity averaged 247 g/kWh and the price £666.90/MWh. Wind generation peaked at 4.3 GW at 00:00. Solar generation peaked at 4.5 GW at 12:30. Carbon intensity was lowest at 00:00 (212 g/kWh) and highest at 18:30 (271 g/kWh). The wholesale price ranged from £102.84/MWh at 02:30 to £1983.66/MWh at 18:30. Gas made 58% 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 1.203.9%Wind 2.447.9%Gas 14.9748.6%Hydro 0.220.7%Biomass 1.063.5%Nuclear 5.2016.9%Coal 0.882.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 26.0avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand35.4GW · 12:40
Low 21.8 · 04:05Avg 29.80–40 GW
Made in Great Britain87%of demand
Generation 26.0Transfers 3.8 GW
Net imports95GWh
In
106 Out
11
Zero-carbon share35%of generation
Nuclear 20%Hydro 1%Wind 9%Solar 5%

Transfers · Thu 9 Sept

Interconnectors and storage

On Thursday 9 September 2021, Great Britain imported 106 GWh and exported 11 GWh through its interconnectors. The most came from France (58 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Thu 9 Sept
Imported
106GWh
Exported
11GWh
Net in
95GWh
Average net flow
3.97GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.88GWImporting

In 21.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.43GWImporting

In 58.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.46GWExporting

In 0.0 GWhOut 11.1 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.14GWImporting

In 3.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 9.1 GWhPumped 12.3 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.