Electricity Live

Great Britain’s electricity on Monday 19 July 2021

On Monday 19 July, demand averaged 30.2 GW. Renewables supplied 14%.

30.2GW AVERAGEWind1.28 GW4%Hydro0.17 GW1%Biomass2.41 GW8%Solar3.03 GW10%Gas13.87 GW44%Coal0.78 GW2%Imports4.78 GW15%Nuclear4.90 GW16%30.2GW AVERAGE8%10%44%15%16%
Price
£105.84/MWh
Day average £105.84
Demand30.2GW
Generation 26.4Transfers 3.8
Fossil fuels44%
Renewables14%
Other39%
Carbon intensityHigh
231g/kWh
0Day average 231300
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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 Monday 19 July 2021, gas supplied 44% of Great Britain’s electricity and nuclear 16%. Demand peaked at 37.2 GW at 12:30. Carbon intensity averaged 231 g/kWh and the price £105.84/MWh. Wind generation peaked at 2.5 GW at 18:55. Solar generation peaked at 8.5 GW at 13:00. Carbon intensity was lowest at 15:00 (202 g/kWh) and highest at 22:00 (263 g/kWh). The wholesale price ranged from £83.25/MWh at 04:30 to £145.69/MWh at 18:00. Gas made 52% 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 3.039.7%Wind 1.284.1%Gas 13.8744.4%Hydro 0.170.5%Biomass 2.417.7%Nuclear 4.9015.7%Coal 0.782.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.2avgGeneration 26.4avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand37.2GW · 12:30
Low 20.9 · 03:50Avg 30.20–40 GW
Made in Great Britain87%of demand
Generation 26.4Transfers 3.8 GW
Net imports91GWh
In
109 Out
17
Zero-carbon share35%of generation
Nuclear 19%Hydro 1%Wind 5%Solar 11%

Transfers · Mon 19 Jul

Interconnectors and storage

On Monday 19 July 2021, Great Britain imported 109 GWh and exported 17 GWh through its interconnectors. The most came from France (63 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Mon 19 Jul
Imported
109GWh
Exported
17GWh
Net in
91GWh
Average net flow
3.81GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.62GWImporting

In 62.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.72GWExporting

In 0.0 GWhOut 17.3 GWh

Netherlands

BritNed

Average0.95GWImporting

In 22.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 6.0 GWhPumped 6.0 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.