Electricity Live

Great Britain’s electricity on Thursday 16 September 2021

On Thursday 16 September, demand averaged 30.0 GW. Renewables supplied 15%.

30.0GW AVERAGEWind2.45 GW8%Hydro0.13 GW0%Biomass1.74 GW6%Solar1.89 GW6%Gas14.96 GW49%Coal0.99 GW3%Imports3.47 GW11%Nuclear4.83 GW16%30.0GW AVERAGE8%49%11%16%
Price
£149.89/MWh
Day average £149.89
Demand30.0GW
Generation 27.0Transfers 3.0
Fossil fuels49%
Renewables15%
Other33%
Carbon intensityHigh
259g/kWh
0Day average 259300
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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 16 September 2021, gas supplied 49% of Great Britain’s electricity and nuclear 16%. Demand peaked at 36.2 GW at 12:40. Carbon intensity averaged 259 g/kWh and the price £149.89/MWh. Wind generation peaked at 5.5 GW at 23:55. Solar generation peaked at 6.6 GW at 13:00. Carbon intensity was lowest at 23:30 (199 g/kWh) and highest at 06:30 (297 g/kWh). The wholesale price ranged from £107.44/MWh at 05:30 to £249.68/MWh at 19:00. Gas made 55% 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 1.896.2%Wind 2.458.0%Gas 14.9649.1%Hydro 0.130.4%Biomass 1.745.7%Nuclear 4.8315.9%Coal 0.993.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.0avgGeneration 27.0avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand36.2GW · 12:40
Low 20.8 · 04:15Avg 30.00–40 GW
Made in Great Britain90%of demand
Generation 27.0Transfers 3.0 GW
Net imports76GWh
In
77 Out
2
Zero-carbon share34%of generation
Nuclear 18%Hydro 0%Wind 9%Solar 7%

Transfers · Thu 16 Sept

Interconnectors and storage

On Thursday 16 September 2021, Great Britain imported 77 GWh and exported 2 GWh through its interconnectors. The most came from France (21 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Thu 16 Sept
Imported
77GWh
Exported
2GWh
Net in
76GWh
Average net flow
3.16GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.85GWImporting

In 20.5 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.87GWImporting

In 20.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.44GWImporting

In 11.9 GWhOut 1.4 GWh

Netherlands

BritNed

Average0.75GWImporting

In 17.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.26GWImporting

In 6.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.18GWPumping

Generated 5.8 GWhPumped 10.2 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.