Electricity Live

Great Britain’s electricity on Saturday 12 August 2023

On Saturday 12 August, demand averaged 24.5 GW. Renewables supplied 51%.

24.5GW AVERAGEWind11.00 GW43%Hydro0.16 GW1%Biomass0.47 GW2%Solar1.93 GW7%Gas4.93 GW19%Coal0.29 GW1%Imports2.92 GW11%Nuclear4.14 GW16%24.5GW AVERAGE43%7%19%11%16%
Price
£71.60/MWh
Day average £71.60
Demand24.5GW
Generation 22.9Transfers 1.6
Fossil fuels19%
Renewables51%
Other29%
Carbon intensityLow
100g/kWh
0Day average 100300
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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 12 August 2023, wind supplied 43% of Great Britain’s electricity and gas 19%. Demand peaked at 29.6 GW at 12:30. Carbon intensity averaged 100 g/kWh and the price £71.60/MWh. Wind generation peaked at 13.8 GW at 17:50. Solar generation peaked at 5.7 GW at 12:30. Carbon intensity was lowest at 12:30 (62 g/kWh) and highest at 00:00 (166 g/kWh). The wholesale price ranged from −£2.22/MWh at 13:30 to £96.65/MWh at 06:30. The price was below zero for 1 hours. Wind made 48% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.937.5%Wind 11.0042.6%Gas 4.9319.1%Hydro 0.160.6%Biomass 0.471.8%Nuclear 4.1416.0%Coal 0.291.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.5avgGeneration 22.9avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand29.6GW · 12:30
Low 18.4 · 04:55Avg 24.50–30 GW
Made in Great Britain93%of demand
Generation 22.9Transfers 1.6 GW
Net imports43GWh
In
68 Out
26
Zero-carbon share75%of generation
Nuclear 18%Hydro 1%Wind 48%Solar 8%

Transfers · Sat 12 Aug

Interconnectors and storage

On Saturday 12 August 2023, Great Britain imported 68 GWh and exported 26 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Sat 12 Aug
Imported
68GWh
Exported
26GWh
Net in
43GWh
Average net flow
1.77GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.15GWExporting

In 3.0 GWhOut 6.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.22GWImporting

In 29.7 GWhOut 0.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.25GWExporting

In 4.5 GWhOut 10.6 GWh

Netherlands

BritNed

Average0.17GWExporting

In 3.6 GWhOut 7.8 GWh

Norway

North Sea Link

Average1.13GWImporting

In 27.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 2.0 GWhPumped 5.9 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.