Stephen Littlechild published an article “Developments in the Overall Customer Satisfaction League” in Cornwall Insight Energy Spectrum, Issue 745, on 18 January 2021.
You can read the article here
Updated calculations from 25 February 2021 can be viewed here , from April 2021 here (pages 21-22), from May 2021 here, from June 2021 here, from September 2021 here and from October 2021 here
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