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Potential for Solar PV within the M25

Questions to the Mayor of London – answered on 13th March 2020.

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Photo of Caroline Russell Caroline Russell Green

In January 2019, University College London was awarded the contract to produce an online map of annual solar radiation on all roofs and areas of open land within the M25 motorway ( This would allow for the potential for solar photovoltaic (PV) and solar thermal installations at every building and suitable site to be estimated. When will this map finally be made public?

Photo of Sadiq Khan Sadiq Khan Mayor of London

The London Solar Opportunity Map will be published in summer 2020 as per my answer last month in Mayor's Question 2020/0051.