Electricity Live

Great Britain’s electricity on Wednesday 30 June 2021

On Wednesday 30 June, demand averaged 29.4 GW. Renewables supplied 19%.

29.4GW AVERAGEWind3.90 GW13%Hydro0.14 GW0%Biomass2.03 GW7%Solar1.85 GW6%Gas12.82 GW42%Coal0.58 GW2%Imports4.39 GW14%Nuclear4.72 GW16%29.4GW AVERAGE13%42%14%16%
Price
£87.45/MWh
Day average £87.45
Demand29.4GW
Generation 26.0Transfers 3.4
Fossil fuels42%
Renewables19%
Other37%
Carbon intensityModerate
203g/kWh
0Day average 203300
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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 30 June 2021, gas supplied 42% of Great Britain’s electricity and nuclear 16%. Demand peaked at 35.3 GW at 17:25. Carbon intensity averaged 203 g/kWh and the price £87.45/MWh. Wind generation peaked at 5.2 GW at 10:15. Solar generation peaked at 5.0 GW at 12:00. Carbon intensity was lowest at 02:30 (161 g/kWh) and highest at 20:30 (240 g/kWh). The wholesale price ranged from £64.07/MWh at 07:00 to £114.50/MWh at 23:00. Gas made 49% 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 1.856.1%Wind 3.9012.8%Gas 12.8242.1%Hydro 0.140.5%Biomass 2.036.7%Nuclear 4.7215.5%Coal 0.581.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 26.0avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 17:25
Low 20.3 · 04:45Avg 29.40–40 GW
Made in Great Britain89%of demand
Generation 26.0Transfers 3.4 GW
Net imports86GWh
In
101 Out
15
Zero-carbon share41%of generation
Nuclear 18%Hydro 1%Wind 15%Solar 7%

Transfers · Wed 30 Jun

Interconnectors and storage

On Wednesday 30 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 (13 GWh).

All interconnectors

Wed 30 Jun
Imported
101GWh
Exported
15GWh
Net in
86GWh
Average net flow
3.60GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.88GWImporting

In 21.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.74GWImporting

In 65.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.55GWExporting

In 0.1 GWhOut 13.4 GWh

Netherlands

BritNed

Average0.53GWImporting

In 14.0 GWhOut 1.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.1 GWhOut 0.2 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 4.3 GWhPumped 9.5 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.