This presentation by Chris Pike from the OECD Competition Division Secretariat was made during the discussion “Radical innovation in the electricity sector” held at the 63rd meeting of the OECD Working Party No. 2 on Competition and Regulation on 19 June 2017. More papers and presentations on the topic can be found out at oe.cd/1ZW. A blog entry on the topic can be seen at oe.cd/1ZJ.