Electricity Live

Great Britain’s electricity on Sunday 28 March 2021

On Sunday 28 March, demand averaged 30.3 GW. Renewables supplied 59%.

30.3GW AVERAGEWind17.24 GW54%Hydro0.54 GW2%Biomass2.54 GW8%Solar0.84 GW3%Gas3.79 GW12%Imports1.93 GW6%Nuclear4.84 GW15%30.3GW AVERAGE54%8%12%15%
Price
£28.93/MWh
Day average £28.93
Demand30.3GW
Generation 29.8Transfers 0.5
Fossil fuels12%
Renewables59%
Other29%
Carbon intensityLow
72g/kWh
0Day average 72300
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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

Records set on this day

All records

Key moments

On Sunday 28 March 2021, wind supplied 54% of Great Britain’s electricity and nuclear 15%. Demand peaked at 36.9 GW at 17:50. Carbon intensity averaged 72 g/kWh and the price £28.93/MWh. Wind generation peaked at 18.6 GW at 17:40. Solar generation peaked at 3.3 GW at 12:30. Carbon intensity was lowest at 12:30 (58 g/kWh) and highest at 00:30 (94 g/kWh). The wholesale price ranged from −£17.00/MWh at 23:30 to £68.47/MWh at 18:30. The price was below zero for 2 hours. Wind made 58% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.842.7%Wind 17.2454.3%Gas 3.7911.9%Hydro 0.541.7%Biomass 2.548.0%Nuclear 4.8415.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.3avgGeneration 29.8avgTransfers 0.5avg
The day in figurespeaks, averages, totals
Peak demand36.9GW · 17:50
Low 22.8 · 04:55Avg 30.30–40 GW
Made in Great Britain98%of demand
Generation 29.8Transfers 0.5 GW
Net imports19GWh
In
42 Out
23
Zero-carbon share79%of generation
Nuclear 16%Hydro 2%Wind 58%Solar 3%

Transfers · Sun 28 Mar

Interconnectors and storage

On Sunday 28 March 2021, Great Britain imported 42 GWh and exported 23 GWh through its interconnectors. The most came from France (23 GWh), and the most exports went to France (18 GWh).

All interconnectors

Sun 28 Mar
Imported
42GWh
Exported
23GWh
Net in
19GWh
Average net flow
0.83GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.29GWImporting

In 10.4 GWhOut 3.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.24GWImporting

In 23.3 GWhOut 17.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.29GWImporting

In 7.9 GWhOut 1.2 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.35GWPumping

Generated 2.7 GWhPumped 10.8 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.