Electricity Live

Great Britain’s electricity on Tuesday 15 August 2023

On Tuesday 15 August, demand averaged 27.1 GW. Renewables supplied 23%.

27.1GW AVERAGEWind3.60 GW13%Hydro0.32 GW1%Biomass1.35 GW5%Solar2.59 GW9%Gas11.99 GW42%Coal0.22 GW1%Imports4.43 GW15%Nuclear4.13 GW14%27.1GW AVERAGE13%9%42%15%14%
Price
£87.76/MWh
Day average £87.76
Demand27.1GW
Generation 24.2Transfers 2.9
Fossil fuels42%
Renewables23%
Other35%
Carbon intensityModerate
195g/kWh
0Day average 195300
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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 15 August 2023, gas supplied 42% of Great Britain’s electricity and nuclear 14%. Demand peaked at 33.5 GW at 13:00. Carbon intensity averaged 195 g/kWh and the price £87.76/MWh. Wind generation peaked at 8.2 GW at 00:05. Solar generation peaked at 8.0 GW at 13:00. Carbon intensity was lowest at 00:00 (154 g/kWh) and highest at 22:30 (283 g/kWh). The wholesale price ranged from £66.62/MWh at 10:30 to £118.40/MWh at 19:00. Gas made 50% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.599.1%Wind 3.6012.6%Gas 11.9941.9%Hydro 0.321.1%Biomass 1.354.7%Nuclear 4.1314.4%Coal 0.220.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.1avgGeneration 24.2avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand33.5GW · 13:00
Low 19.1 · 04:00Avg 27.10–40 GW
Made in Great Britain89%of demand
Generation 24.2Transfers 2.9 GW
Net imports68GWh
In
104 Out
37
Zero-carbon share44%of generation
Nuclear 17%Hydro 1%Wind 15%Solar 11%

Transfers · Tue 15 Aug

Interconnectors and storage

On Tuesday 15 August 2023, Great Britain imported 104 GWh and exported 37 GWh through its interconnectors. The most came from France (52 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Tue 15 Aug
Imported
104GWh
Exported
37GWh
Net in
68GWh
Average net flow
2.81GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWImporting

In 9.4 GWhOut 6.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.08GWImporting

In 51.6 GWhOut 1.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.85GWExporting

In 0.0 GWhOut 20.3 GWh

Netherlands

BritNed

Average0.06GWImporting

In 9.7 GWhOut 8.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWGenerating

Generated 2.1 GWhPumped 0.8 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.