Electricity Live

Great Britain’s electricity on Tuesday 21 March 2017

On Tuesday 21 March, demand averaged 35.6 GW. Renewables supplied 31%.

35.6GW AVERAGEWind8.49 GW23%Hydro0.91 GW3%Solar1.82 GW5%Gas12.93 GW35%Coal3.04 GW8%Imports2.44 GW7%Nuclear6.82 GW19%35.6GW AVERAGE23%35%8%19%
Price
£41.53/MWh
Day average £41.53
Demand35.6GW
Generation 34.0Transfers 1.6
Fossil fuels35%
Renewables31%
Other25%
Carbon intensity
—
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Tuesday 21 March 2017, gas supplied 35% of Great Britain’s electricity and wind 23%. Demand peaked at 44.7 GW at 18:45. The price £41.53/MWh. Wind generation peaked at 11.1 GW at 10:40. Solar generation peaked at 6.5 GW at 11:30. The wholesale price ranged from £23.95/MWh at 03:30 to £83.45/MWh at 19:00. Gas made 38% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.825.0%Wind 8.4923.3%Gas 12.9335.5%Hydro 0.912.5%Biomass 0.000.0%Nuclear 6.8218.7%Coal 3.048.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.6avgGeneration 34.0avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand44.7GW · 18:45
Low 24.9 · 04:25Avg 35.60–60 GW
Made in Great Britain96%of demand
Generation 34.0Transfers 1.6 GW
Net imports40GWh
In
49 Out
10
Zero-carbon share53%of generation
Nuclear 20%Hydro 3%Wind 25%Solar 5%

Transfers · Tue 21 Mar

Interconnectors and storage

On Tuesday 21 March 2017, Great Britain imported 49 GWh and exported 10 GWh through its interconnectors. The most came from France (25 GWh), and the most exports went to France (9 GWh).

All interconnectors

Tue 21 Mar
Imported
49GWh
Exported
10GWh
Net in
40GWh
Average net flow
1.65GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.68GWImporting

In 25.2 GWhOut 8.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWImporting

In 1.1 GWhOut 0.7 GWh

Netherlands

BritNed

Average0.95GWImporting

In 22.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 9.3 GWhPumped 11.5 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.