Which Electricity is Greenest?

Wind turbines in a field (reusable image from Wikipedia)

In October’s magazine, Which? reviewed 24 supposedly green energy suppliers. 9 supply 100% renewable energy to domestic customers;

Bulb, Co-operative Energy, Ecotricity, Eagle, Foxglove Energy, Good Energy, Green Energy, Green Star Energy, Octopus Energy, Pure Planet, So Energy, Tonik Energy and Yorkshire Energy.

Of these, Ecotricity, Eagle (whose overall mix is only 34% renewable, as they mainly supply non-domestic customers) and Good Energy generate their own renewable energy.

Figures are mainly based on the year 2017-18, from the companies’ own websites.


One comment on “Which Electricity is Greenest?
  1. Steve Levett says:

    Have you heard of SF6? I hadn’t until I came across an article on the BBC website which explores a possible unintended consequence of people like me trying to switch away from gas to electricity (be in renewable or otherwise.). Here’s the worrying statistic about SF6, which is an insulation gas used to prevent fires in electricity generation: ‘It is 23,500 times more warming than carbon dioxide (CO2).’ Here’s a link to the article:

    https://www.bbc.co.uk/news/science-environment-49567197

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