Electricity Live

Great Britain’s electricity on Saturday 17 July 2021

On Saturday 17 July, demand averaged 27.2 GW. Renewables supplied 28%.

27.2GW AVERAGEWind4.34 GW16%Hydro0.12 GW0%Biomass1.94 GW7%Solar3.27 GW12%Gas8.83 GW32%Coal0.46 GW2%Imports4.02 GW14%Nuclear4.93 GW18%27.2GW AVERAGE16%12%32%14%18%
Price
£81.66/MWh
Day average £81.66
Demand27.2GW
Generation 23.9Transfers 3.3
Fossil fuels32%
Renewables28%
Other39%
Carbon intensityModerate
169g/kWh
0Day average 169300
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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 Saturday 17 July 2021, gas supplied 32% of Great Britain’s electricity and nuclear 18%. Demand peaked at 32.4 GW at 12:00. Carbon intensity averaged 169 g/kWh and the price £81.66/MWh. Wind generation peaked at 5.4 GW at 17:30. Solar generation peaked at 9.2 GW at 13:00. Carbon intensity was lowest at 14:30 (125 g/kWh) and highest at 22:30 (225 g/kWh). The wholesale price ranged from £61.58/MWh at 14:30 to £108.71/MWh at 21:00. Gas made 37% 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 3.2711.7%Wind 4.3415.6%Gas 8.8331.6%Hydro 0.120.4%Biomass 1.947.0%Nuclear 4.9317.6%Coal 0.461.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.2avgGeneration 23.9avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 12:00
Low 20.0 · 04:50Avg 27.20–40 GW
Made in Great Britain88%of demand
Generation 23.9Transfers 3.3 GW
Net imports82GWh
In
94 Out
13
Zero-carbon share53%of generation
Nuclear 21%Hydro 0%Wind 18%Solar 14%

Transfers · Sat 17 Jul

Interconnectors and storage

On Saturday 17 July 2021, Great Britain imported 94 GWh and exported 13 GWh through its interconnectors. The most came from France (57 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Sat 17 Jul
Imported
94GWh
Exported
13GWh
Net in
82GWh
Average net flow
3.41GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.84GWImporting

In 20.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.36GWImporting

In 56.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.52GWExporting

In 0.0 GWhOut 12.6 GWh

Netherlands

BritNed

Average0.73GWImporting

In 17.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 2.2 GWhPumped 5.1 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.