Electricity Live

Great Britain’s electricity on Tuesday 30 July 2019

On Tuesday 30 July, demand averaged 29.8 GW. Renewables supplied 24%.

29.8GW AVERAGEWind5.78 GW19%Hydro0.25 GW1%Biomass2.30 GW7%Solar1.43 GW5%Gas12.84 GW42%Imports2.70 GW9%Nuclear5.46 GW18%29.8GW AVERAGE19%7%42%9%18%
Price
£36.40/MWh
Day average £36.40
Demand29.8GW
Generation 28.1Transfers 1.8
Fossil fuels42%
Renewables24%
Other34%
Carbon intensityModerate
206g/kWh
0Day average 206300
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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 30 July 2019, gas supplied 42% of Great Britain’s electricity and wind 19%. Demand peaked at 36.5 GW at 13:00. Carbon intensity averaged 206 g/kWh and the price £36.40/MWh. Wind generation peaked at 8.0 GW at 18:55. Solar generation peaked at 4.2 GW at 13:00. Carbon intensity was lowest at 23:30 (135 g/kWh) and highest at 07:00 (234 g/kWh). The wholesale price ranged from £25.62/MWh at 03:30 to £44.22/MWh at 21:30. Gas made 46% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.434.6%Wind 5.7818.8%Gas 12.8441.7%Hydro 0.250.8%Biomass 2.307.5%Nuclear 5.4617.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 28.1avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand36.5GW · 13:00
Low 20.5 · 03:05Avg 29.80–40 GW
Made in Great Britain94%of demand
Generation 28.1Transfers 1.8 GW
Net imports44GWh
In
63 Out
18
Zero-carbon share46%of generation
Nuclear 19%Hydro 1%Wind 21%Solar 5%

Transfers · Tue 30 Jul

Interconnectors and storage

On Tuesday 30 July 2019, Great Britain imported 63 GWh and exported 18 GWh through its interconnectors. The most came from France (34 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Tue 30 Jul
Imported
63GWh
Exported
18GWh
Net in
44GWh
Average net flow
1.84GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.77GWImporting

In 18.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.55GWExporting

In 0.2 GWhOut 13.4 GWh

Netherlands

BritNed

Average0.22GWImporting

In 10.4 GWhOut 5.1 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWPumping

Generated 2.3 GWhPumped 3.9 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.