Electricity Live

Great Britain’s electricity on Saturday 27 July 2019

On Saturday 27 July, demand averaged 27.2 GW. Renewables supplied 18%.

27.2GW AVERAGEWind3.85 GW14%Hydro0.35 GW1%Biomass2.16 GW8%Solar1.01 GW4%Gas12.53 GW44%Imports3.52 GW12%Nuclear4.90 GW17%27.2GW AVERAGE14%8%44%12%17%
Price
£39.27/MWh
Day average £39.27
Demand27.2GW
Generation 24.8Transfers 2.4
Fossil fuels44%
Renewables18%
Other37%
Carbon intensityModerate
232g/kWh
0Day average 232300
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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 Saturday 27 July 2019, gas supplied 44% of Great Britain’s electricity and nuclear 17%. Demand peaked at 31.6 GW at 10:40. Carbon intensity averaged 232 g/kWh and the price £39.27/MWh. Wind generation peaked at 5.4 GW at 23:00. Solar generation peaked at 3.1 GW at 12:00. Carbon intensity was lowest at 23:30 (187 g/kWh) and highest at 02:30 (263 g/kWh). The wholesale price ranged from £24.25/MWh at 07:00 to £47.48/MWh at 09:30. Gas made 51% 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 1.013.6%Wind 3.8513.6%Gas 12.5344.2%Hydro 0.351.2%Biomass 2.167.6%Nuclear 4.9017.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.2avgGeneration 24.8avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand31.6GW · 10:40
Low 21.0 · 04:15Avg 27.20–40 GW
Made in Great Britain91%of demand
Generation 24.8Transfers 2.4 GW
Net imports62GWh
In
82 Out
20
Zero-carbon share41%of generation
Nuclear 20%Hydro 1%Wind 16%Solar 4%

Transfers · Sat 27 Jul

Interconnectors and storage

On Saturday 27 July 2019, Great Britain imported 82 GWh and exported 20 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Sat 27 Jul
Imported
82GWh
Exported
20GWh
Net in
62GWh
Average net flow
2.60GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 18.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.78GWImporting

In 42.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.82GWExporting

In 0.0 GWhOut 19.7 GWh

Netherlands

BritNed

Average0.85GWImporting

In 20.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 2.5 GWhPumped 8.3 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.