Electricity Live

Great Britain’s electricity on Tuesday 29 June 2021

On Tuesday 29 June, demand averaged 29.8 GW. Renewables supplied 17%.

29.8GW AVERAGEWind3.31 GW11%Hydro0.15 GW0%Biomass2.08 GW7%Solar1.75 GW6%Gas13.99 GW46%Coal0.60 GW2%Imports4.25 GW14%Nuclear4.57 GW15%29.8GW AVERAGE11%46%14%15%
Price
£90.77/MWh
Day average £90.77
Demand29.8GW
Generation 26.4Transfers 3.3
Fossil fuels46%
Renewables17%
Other35%
Carbon intensityModerate
216g/kWh
0Day average 216300
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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 Tuesday 29 June 2021, gas supplied 46% of Great Britain’s electricity and nuclear 15%. Demand peaked at 36.6 GW at 12:30. Carbon intensity averaged 216 g/kWh and the price £90.77/MWh. Wind generation peaked at 4.7 GW at 19:55. Solar generation peaked at 5.0 GW at 12:30. Carbon intensity was lowest at 23:30 (189 g/kWh) and highest at 09:00 (243 g/kWh). The wholesale price ranged from £69.26/MWh at 03:30 to £115.65/MWh at 09:30. Gas made 53% 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 1.755.7%Wind 3.3110.8%Gas 13.9945.6%Hydro 0.150.5%Biomass 2.086.8%Nuclear 4.5714.9%Coal 0.601.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 26.4avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 12:30
Low 20.7 · 04:55Avg 29.80–40 GW
Made in Great Britain89%of demand
Generation 26.4Transfers 3.3 GW
Net imports83GWh
In
96 Out
13
Zero-carbon share37%of generation
Nuclear 17%Hydro 1%Wind 13%Solar 7%

Transfers · Tue 29 Jun

Interconnectors and storage

On Tuesday 29 June 2021, Great Britain imported 96 GWh and exported 13 GWh through its interconnectors. The most came from France (67 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Tue 29 Jun
Imported
96GWh
Exported
13GWh
Net in
83GWh
Average net flow
3.47GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.83GWImporting

In 19.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.79GWImporting

In 67.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.50GWExporting

In 0.1 GWhOut 12.1 GWh

Netherlands

BritNed

Average0.36GWImporting

In 9.0 GWhOut 0.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 5.9 GWhPumped 9.7 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.