Electricity Live

Great Britain’s electricity on Wednesday 31 July 2019

On Wednesday 31 July, demand averaged 29.6 GW. Renewables supplied 31%.

29.6GW AVERAGEWind7.64 GW25%Hydro0.32 GW1%Biomass2.30 GW8%Solar1.59 GW5%Gas10.82 GW35%Imports2.35 GW8%Nuclear5.58 GW18%29.6GW AVERAGE25%8%35%8%18%
Price
£37.72/MWh
Day average £37.72
Demand29.6GW
Generation 28.3Transfers 1.4
Fossil fuels35%
Renewables31%
Other33%
Carbon intensityModerate
177g/kWh
0Day average 177300
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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 31 July 2019, gas supplied 35% of Great Britain’s electricity and wind 25%. Demand peaked at 35.9 GW at 12:30. Carbon intensity averaged 177 g/kWh and the price £37.72/MWh. Wind generation peaked at 8.7 GW at 16:25. Solar generation peaked at 4.6 GW at 12:30. Carbon intensity was lowest at 04:30 (118 g/kWh) and highest at 21:00 (228 g/kWh). The wholesale price ranged from £31.12/MWh at 05:30 to £45.47/MWh at 18:00. Gas made 38% 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 1.595.2%Wind 7.6425.0%Gas 10.8235.4%Hydro 0.321.0%Biomass 2.307.5%Nuclear 5.5818.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 28.3avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand35.9GW · 12:30
Low 20.6 · 02:55Avg 29.60–40 GW
Made in Great Britain95%of demand
Generation 28.3Transfers 1.4 GW
Net imports34GWh
In
54 Out
20
Zero-carbon share54%of generation
Nuclear 20%Hydro 1%Wind 27%Solar 6%

Transfers · Wed 31 Jul

Interconnectors and storage

On Wednesday 31 July 2019, Great Britain imported 54 GWh and exported 20 GWh through its interconnectors. The most came from France (22 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Wed 31 Jul
Imported
54GWh
Exported
20GWh
Net in
34GWh
Average net flow
1.43GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.83GWImporting

In 20.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.91GWImporting

In 21.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.79GWExporting

In 0.0 GWhOut 18.9 GWh

Netherlands

BritNed

Average0.47GWImporting

In 12.5 GWhOut 1.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWPumping

Generated 1.9 GWhPumped 3.5 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.