Electricity Live

Great Britain’s electricity on Friday 10 September 2021

On Friday 10 September, demand averaged 29.6 GW. Renewables supplied 14%.

29.6GW AVERAGEWind2.90 GW10%Hydro0.18 GW1%Biomass1.08 GW4%Solar1.04 GW3%Gas14.65 GW49%Coal0.79 GW3%Imports4.32 GW14%Nuclear5.20 GW17%29.6GW AVERAGE10%49%14%17%
Price
£179.03/MWh
Day average £179.03
Demand29.6GW
Generation 25.8Transfers 3.8
Fossil fuels49%
Renewables14%
Other35%
Carbon intensityHigh
244g/kWh
0Day average 244300
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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 10 September 2021, gas supplied 49% of Great Britain’s electricity and nuclear 17%. Demand peaked at 35.5 GW at 12:00. Carbon intensity averaged 244 g/kWh and the price £179.03/MWh. Wind generation peaked at 4.5 GW at 22:45. Solar generation peaked at 3.6 GW at 13:30. Carbon intensity was lowest at 23:30 (205 g/kWh) and highest at 07:00 (272 g/kWh). The wholesale price ranged from £104.30/MWh at 03:30 to £326.50/MWh at 08:30. Gas made 57% 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 1.043.4%Wind 2.909.6%Gas 14.6548.6%Hydro 0.180.6%Biomass 1.083.6%Nuclear 5.2017.2%Coal 0.792.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 25.8avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand35.5GW · 12:00
Low 21.5 · 03:50Avg 29.60–40 GW
Made in Great Britain87%of demand
Generation 25.8Transfers 3.8 GW
Net imports95GWh
In
96 Out
2
Zero-carbon share36%of generation
Nuclear 20%Hydro 1%Wind 11%Solar 4%

Transfers · Fri 10 Sept

Interconnectors and storage

On Friday 10 September 2021, Great Britain imported 96 GWh and exported 2 GWh through its interconnectors. The most came from France (50 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Fri 10 Sept
Imported
96GWh
Exported
2GWh
Net in
95GWh
Average net flow
3.94GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.93GWImporting

In 22.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.07GWImporting

In 49.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.00GWIdle

In 1.7 GWhOut 1.8 GWh

Netherlands

BritNed

Average0.94GWImporting

In 22.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 7.3 GWhPumped 11.4 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.