Electricity Live

Great Britain’s electricity on Friday 23 July 2021

On Friday 23 July, demand averaged 29.2 GW. Renewables supplied 17%.

29.2GW AVERAGEWind2.68 GW9%Hydro0.13 GW0%Biomass2.31 GW8%Solar2.28 GW8%Gas13.97 GW46%Coal0.73 GW2%Imports4.53 GW15%Nuclear3.65 GW12%29.2GW AVERAGE9%8%8%46%15%12%
Price
£98.32/MWh
Day average £98.32
Demand29.2GW
Generation 25.7Transfers 3.4
Fossil fuels46%
Renewables17%
Other35%
Carbon intensityHigh
233g/kWh
0Day average 233300
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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 Friday 23 July 2021, gas supplied 46% of Great Britain’s electricity and nuclear 12%. Demand peaked at 34.8 GW at 12:00. Carbon intensity averaged 233 g/kWh and the price £98.32/MWh. Wind generation peaked at 5.5 GW at 21:55. Solar generation peaked at 6.5 GW at 13:00. Carbon intensity was lowest at 23:30 (194 g/kWh) and highest at 00:00 (265 g/kWh). The wholesale price ranged from £70.96/MWh at 03:30 to £119.16/MWh at 09:00. Gas made 54% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.287.5%Wind 2.688.9%Gas 13.9746.1%Hydro 0.130.4%Biomass 2.317.6%Nuclear 3.6512.0%Coal 0.732.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 25.7avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 12:00
Low 21.6 · 04:15Avg 29.20–40 GW
Made in Great Britain88%of demand
Generation 25.7Transfers 3.4 GW
Net imports86GWh
In
105 Out
19
Zero-carbon share34%of generation
Nuclear 14%Hydro 1%Wind 10%Solar 9%

Transfers · Fri 23 Jul

Interconnectors and storage

On Friday 23 July 2021, Great Britain imported 105 GWh and exported 19 GWh through its interconnectors. The most came from France (64 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Fri 23 Jul
Imported
105GWh
Exported
19GWh
Net in
86GWh
Average net flow
3.57GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.95GWImporting

In 22.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.65GWImporting

In 63.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.81GWExporting

In 0.0 GWhOut 19.4 GWh

Netherlands

BritNed

Average0.78GWImporting

In 18.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 3.7 GWhPumped 7.2 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.