Electricity Live

Great Britain’s electricity on Wednesday 23 June 2021

On Wednesday 23 June, demand averaged 29.5 GW. Renewables supplied 16%.

29.5GW AVERAGEWind1.85 GW6%Hydro0.16 GW1%Biomass2.46 GW8%Solar2.91 GW10%Gas13.17 GW44%Coal0.88 GW3%Imports4.51 GW15%Nuclear4.33 GW14%29.5GW AVERAGE8%10%44%15%14%
Price
£84.26/MWh
Day average £84.26
Demand29.5GW
Generation 25.8Transfers 3.8
Fossil fuels44%
Renewables16%
Other37%
Carbon intensityModerate
224g/kWh
0Day average 224300
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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 Wednesday 23 June 2021, gas supplied 44% of Great Britain’s electricity and nuclear 14%. Demand peaked at 35.3 GW at 12:10. Carbon intensity averaged 224 g/kWh and the price £84.26/MWh. Wind generation peaked at 3.0 GW at 00:30. Solar generation peaked at 7.7 GW at 11:30. Carbon intensity was lowest at 00:30 (201 g/kWh) and highest at 21:30 (262 g/kWh). The wholesale price ranged from £67.63/MWh at 03:00 to £116.06/MWh at 18:00. Gas made 51% 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 2.919.6%Wind 1.856.1%Gas 13.1743.5%Hydro 0.160.5%Biomass 2.468.1%Nuclear 4.3314.3%Coal 0.882.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.5avgGeneration 25.8avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 12:10
Low 20.8 · 04:30Avg 29.50–40 GW
Made in Great Britain87%of demand
Generation 25.8Transfers 3.8 GW
Net imports87GWh
In
101 Out
15
Zero-carbon share36%of generation
Nuclear 17%Hydro 1%Wind 7%Solar 11%

Transfers · Wed 23 Jun

Interconnectors and storage

On Wednesday 23 June 2021, Great Britain imported 101 GWh and exported 15 GWh through its interconnectors. The most came from France (66 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Wed 23 Jun
Imported
101GWh
Exported
15GWh
Net in
87GWh
Average net flow
3.61GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.85GWImporting

In 20.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.75GWImporting

In 66.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.59GWExporting

In 0.0 GWhOut 14.3 GWh

Netherlands

BritNed

Average0.62GWImporting

In 14.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.01GWExporting

In 0.0 GWhOut 0.3 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWGenerating

Generated 6.8 GWhPumped 3.2 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.