Electricity Live

Great Britain’s electricity on Saturday 27 March 2021

On Saturday 27 March, demand averaged 30.6 GW. Renewables supplied 54%.

30.6GW AVERAGEWind14.43 GW46%Hydro0.54 GW2%Biomass2.73 GW9%Solar1.77 GW6%Gas4.59 GW15%Imports2.56 GW8%Nuclear4.63 GW15%30.6GW AVERAGE46%9%15%8%15%
Price
£44.35/MWh
Day average £44.35
Demand30.6GW
Generation 28.7Transfers 1.9
Fossil fuels15%
Renewables54%
Other32%
Carbon intensityLow
83g/kWh
0Day average 83300
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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 27 March 2021, wind supplied 46% of Great Britain’s electricity and nuclear 15%. Demand peaked at 37.3 GW at 19:00. Carbon intensity averaged 83 g/kWh and the price £44.35/MWh. Wind generation peaked at 16.4 GW at 20:35. Solar generation peaked at 6.4 GW at 10:30. Carbon intensity was lowest at 09:30 (59 g/kWh) and highest at 18:00 (117 g/kWh). The wholesale price ranged from £15.73/MWh at 09:00 to £66.59/MWh at 18:00. Wind made 50% 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 1.775.7%Wind 14.4346.2%Gas 4.5914.7%Hydro 0.541.7%Biomass 2.738.8%Nuclear 4.6314.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.6avgGeneration 28.7avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand37.3GW · 19:00
Low 23.6 · 04:50Avg 30.60–40 GW
Made in Great Britain94%of demand
Generation 28.7Transfers 1.9 GW
Net imports43GWh
In
56 Out
13
Zero-carbon share74%of generation
Nuclear 16%Hydro 2%Wind 50%Solar 6%

Transfers · Sat 27 Mar

Interconnectors and storage

On Saturday 27 March 2021, Great Britain imported 56 GWh and exported 13 GWh through its interconnectors. The most came from France (31 GWh), and the most exports went to France (7 GWh).

All interconnectors

Sat 27 Mar
Imported
56GWh
Exported
13GWh
Net in
43GWh
Average net flow
1.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 16.2 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.98GWImporting

In 30.8 GWhOut 7.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.15GWImporting

In 9.0 GWhOut 5.6 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

Average0.08GWGenerating

Generated 5.3 GWhPumped 3.3 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.