Electricity Live

Great Britain’s electricity on Wednesday 21 June 2023

On Wednesday 21 June, demand averaged 28.0 GW. Renewables supplied 27%.

28.0GW AVERAGEWind4.89 GW16%Hydro0.10 GW0%Biomass0.78 GW3%Solar3.10 GW10%Gas14.52 GW49%Coal0.26 GW1%Imports2.06 GW7%Nuclear4.05 GW14%28.0GW AVERAGE16%10%49%14%
Price
£94.82/MWh
Day average £94.82
Demand28.0GW
Generation 27.7Transfers 0.3
Fossil fuels49%
Renewables27%
Other23%
Carbon intensityHigh
218g/kWh
0Day average 218300
Save as image
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 21 June 2023, gas supplied 49% of Great Britain’s electricity and wind 16%. Demand peaked at 33.9 GW at 12:05. Carbon intensity averaged 218 g/kWh and the price £94.82/MWh. Wind generation peaked at 7.8 GW at 14:10. Solar generation peaked at 8.2 GW at 13:30. Carbon intensity was lowest at 13:30 (158 g/kWh) and highest at 22:30 (269 g/kWh). The wholesale price ranged from £71.89/MWh at 12:30 to £131.81/MWh at 21:30. Gas made 52% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.1010.4%Wind 4.8916.4%Gas 14.5248.8%Hydro 0.100.3%Biomass 0.782.6%Nuclear 4.0513.6%Coal 0.260.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 27.7avgTransfers 0.3avg
The day in figurespeaks, averages, totals
Peak demand33.9GW · 12:05
Low 19.7 · 04:30Avg 28.00–40 GW
Made in Great Britain99%of demand
Generation 27.7Transfers 0.3 GW
Net imports9GWh
In
46 Out
38
Zero-carbon share44%of generation
Nuclear 15%Hydro 0%Wind 18%Solar 11%

Transfers · Wed 21 Jun

Interconnectors and storage

On Wednesday 21 June 2023, Great Britain imported 46 GWh and exported 38 GWh through its interconnectors. The most came from Norway (23 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Wed 21 Jun
Imported
46GWh
Exported
38GWh
Net in
9GWh
Average net flow
0.36GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.05GWExporting

In 3.4 GWhOut 4.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.02GWExporting

In 11.0 GWhOut 11.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.58GWExporting

In 0.1 GWhOut 14.0 GWh

Netherlands

BritNed

Average0.05GWImporting

In 8.7 GWhOut 7.5 GWh

Norway

North Sea Link

Average0.96GWImporting

In 23.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 3.0 GWhPumped 4.9 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.