Electricity Live

Great Britain’s electricity on Sunday 25 July 2021

On Sunday 25 July, demand averaged 25.5 GW. Renewables supplied 13%.

25.5GW AVERAGEWind1.66 GW6%Hydro0.13 GW0%Biomass1.77 GW7%Solar1.56 GW6%Gas12.64 GW48%Coal0.70 GW3%Imports4.41 GW17%Nuclear3.70 GW14%25.5GW AVERAGE48%17%14%
Price
£87.28/MWh
Day average £87.28
Demand25.5GW
Generation 22.2Transfers 3.3
Fossil fuels48%
Renewables13%
Other37%
Carbon intensityHigh
239g/kWh
0Day average 239300
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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 Sunday 25 July 2021, gas supplied 48% of Great Britain’s electricity and nuclear 14%. Demand peaked at 30.4 GW at 16:50. Carbon intensity averaged 239 g/kWh and the price £87.28/MWh. Wind generation peaked at 2.7 GW at 00:00. Solar generation peaked at 5.2 GW at 14:00. Carbon intensity was lowest at 02:00 (212 g/kWh) and highest at 22:00 (279 g/kWh). The wholesale price ranged from £63.78/MWh at 03:00 to £121.91/MWh at 19:00. Gas made 57% 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 1.565.9%Wind 1.666.2%Gas 12.6447.6%Hydro 0.130.5%Biomass 1.776.7%Nuclear 3.7013.9%Coal 0.702.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.5avgGeneration 22.2avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand30.4GW · 16:50
Low 18.8 · 05:30Avg 25.50–40 GW
Made in Great Britain87%of demand
Generation 22.2Transfers 3.3 GW
Net imports80GWh
In
102 Out
22
Zero-carbon share32%of generation
Nuclear 17%Hydro 1%Wind 7%Solar 7%

Transfers · Sun 25 Jul

Interconnectors and storage

On Sunday 25 July 2021, Great Britain imported 102 GWh and exported 22 GWh through its interconnectors. The most came from France (61 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Sun 25 Jul
Imported
102GWh
Exported
22GWh
Net in
80GWh
Average net flow
3.34GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.94GWImporting

In 22.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.55GWImporting

In 61.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.90GWExporting

In 0.0 GWhOut 21.6 GWh

Netherlands

BritNed

Average0.75GWImporting

In 18.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 4.0 GWhPumped 5.1 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.