Electricity Live

Great Britain’s electricity on Friday 30 April 2021

On Friday 30 April, demand averaged 31.8 GW. Renewables supplied 12%.

31.8GW AVERAGEWind1.59 GW5%Hydro0.25 GW1%Biomass2.90 GW9%Solar2.14 GW6%Gas18.02 GW55%Coal0.33 GW1%Imports3.13 GW9%Nuclear4.68 GW14%31.8GW AVERAGE9%55%9%14%
Price
£86.93/MWh
Day average £86.93
Demand31.8GW
Generation 29.9Transfers 1.8
Fossil fuels55%
Renewables12%
Other32%
Carbon intensityHigh
242g/kWh
0Day average 242300
Save as image
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 30 April 2021, gas supplied 55% of Great Britain’s electricity and nuclear 14%. Demand peaked at 37.5 GW at 10:00. Carbon intensity averaged 242 g/kWh and the price £86.93/MWh. Wind generation peaked at 2.2 GW at 00:05. Solar generation peaked at 5.9 GW at 10:30. Carbon intensity was lowest at 10:30 (226 g/kWh) and highest at 22:30 (270 g/kWh). The wholesale price ranged from £58.43/MWh at 02:30 to £119.57/MWh at 18:00. Gas made 60% 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 2.146.5%Wind 1.594.8%Gas 18.0254.5%Hydro 0.250.8%Biomass 2.908.8%Nuclear 4.6814.1%Coal 0.331.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.8avgGeneration 29.9avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand37.5GW · 10:00
Low 24.4 · 04:10Avg 31.80–40 GW
Made in Great Britain94%of demand
Generation 29.9Transfers 1.8 GW
Net imports45GWh
In
66 Out
21
Zero-carbon share29%of generation
Nuclear 16%Hydro 1%Wind 5%Solar 7%

Transfers · Fri 30 Apr

Interconnectors and storage

On Friday 30 April 2021, Great Britain imported 66 GWh and exported 21 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Fri 30 Apr
Imported
66GWh
Exported
21GWh
Net in
45GWh
Average net flow
1.87GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.96GWImporting

In 23.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.77GWImporting

In 42.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.86GWExporting

In 0.0 GWhOut 20.6 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

Average0.04GWPumping

Generated 9.5 GWhPumped 10.4 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.