Electricity Live

Great Britain’s electricity on Saturday 21 October 2023

On Saturday 21 October, demand averaged 27.8 GW. Renewables supplied 42%.

27.8GW AVERAGEWind11.05 GW38%Hydro0.58 GW2%Biomass1.95 GW7%Solar0.67 GW2%Gas5.89 GW20%Coal0.45 GW2%Imports4.58 GW16%Nuclear3.95 GW14%27.8GW AVERAGE38%20%16%14%
Price
£91.79/MWh
Day average £91.79
Demand27.8GW
Generation 24.5Transfers 3.3
Fossil fuels20%
Renewables42%
Other36%
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 21 October 2023, wind supplied 38% of Great Britain’s electricity and gas 20%. Demand peaked at 33.0 GW at 17:25. Carbon intensity averaged 100 g/kWh and the price £91.79/MWh. Wind generation peaked at 13.4 GW at 02:25. Solar generation peaked at 2.9 GW at 13:30. Carbon intensity was lowest at 00:00 (100 g/kWh) and highest at 00:00 (100 g/kWh). The wholesale price ranged from £16.86/MWh at 03:30 to £135.03/MWh at 18:00. Wind made 45% 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 0.672.3%Wind 11.0537.9%Gas 5.8920.2%Hydro 0.582.0%Biomass 1.956.7%Nuclear 3.9513.6%Coal 0.451.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.8avgGeneration 24.5avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand33.0GW · 17:25
Low 21.6 · 04:00Avg 27.80–40 GW
Made in Great Britain88%of demand
Generation 24.5Transfers 3.3 GW
Net imports79GWh
In
103 Out
24
Zero-carbon share66%of generation
Nuclear 16%Hydro 2%Wind 45%Solar 3%

Transfers · Sat 21 Oct

Interconnectors and storage

On Saturday 21 October 2023, Great Britain imported 103 GWh and exported 24 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Sat 21 Oct
Imported
103GWh
Exported
24GWh
Net in
79GWh
Average net flow
3.31GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.71GWImporting

In 18.0 GWhOut 0.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.82GWImporting

In 67.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.91GWExporting

In 0.0 GWhOut 21.8 GWh

Netherlands

BritNed

Average0.68GWImporting

In 17.8 GWhOut 1.4 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 6.5 GWhPumped 7.3 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.