Electricity Live

Great Britain’s electricity on Sunday 18 August 2019

On Sunday 18 August, demand averaged 25.9 GW. Renewables supplied 52%.

25.9GW AVERAGEWind11.64 GW43%Hydro0.41 GW2%Biomass1.45 GW5%Solar2.07 GW8%Gas4.11 GW15%Imports1.70 GW6%Nuclear5.80 GW21%25.9GW AVERAGE43%8%15%21%
Price
£25.49/MWh
Day average £25.49
Demand25.9GW
Generation 25.5Transfers 0.4
Fossil fuels15%
Renewables52%
Other33%
Carbon intensityLow
117g/kWh
0Day average 117300
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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 Sunday 18 August 2019, wind supplied 43% of Great Britain’s electricity and nuclear 21%. Demand peaked at 31.4 GW at 12:30. Carbon intensity averaged 117 g/kWh and the price £25.49/MWh. Wind generation peaked at 13.4 GW at 17:55. Solar generation peaked at 6.9 GW at 12:30. Carbon intensity was lowest at 14:30 (88 g/kWh) and highest at 07:30 (147 g/kWh). The wholesale price ranged from £3.80/MWh at 03:30 to £48.93/MWh at 21:00. Wind made 46% of the electricity generated in Great Britain, compared with 22% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.077.6%Wind 11.6442.8%Gas 4.1115.1%Hydro 0.411.5%Biomass 1.455.3%Nuclear 5.8021.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.9avgGeneration 25.5avgTransfers 0.4avg
The day in figurespeaks, averages, totals
Peak demand31.4GW · 12:30
Low 19.1 · 04:40Avg 25.90–40 GW
Made in Great Britain98%of demand
Generation 25.5Transfers 0.4 GW
Net imports13GWh
In
36 Out
23
Zero-carbon share78%of generation
Nuclear 23%Hydro 2%Wind 46%Solar 8%

Transfers · Sun 18 Aug

Interconnectors and storage

On Sunday 18 August 2019, Great Britain imported 36 GWh and exported 23 GWh through its interconnectors. The most came from Belgium (16 GWh), and the most exports went to France (12 GWh).

All interconnectors

Sun 18 Aug
Imported
36GWh
Exported
23GWh
Net in
13GWh
Average net flow
0.53GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.05GWExporting

In 11.1 GWhOut 12.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.13GWExporting

In 2.1 GWhOut 5.2 GWh

Netherlands

BritNed

Average0.05GWImporting

In 6.5 GWhOut 5.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 5.1 GWhPumped 7.4 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.