Matthew Collinson

Barrister and solicitor - Specialist Energy Lawyer and Consultant
Matthew is a consultant lawyer working both independently and through four of the UK’s top 20 law firms. His clients include start-ups, SMEs and corporates in the FTSE 250, FTSE 100 and FTSE 20.

Previously general counsel and part of the leadership team at OVO Energy, Matthew designed and delivered the legal model for “OVO Communities”, which was used as a case study in the Department of Energy and Climate Change’s 2015 Community Energy Strategy.

Prior to that, he was part of the Energy and Natural Resources Team of the Year (Legal Business Awards 2014) at Pinsent Masons, where he advised on landmark projects including the London Array (then the world’s largest offshore wind farm), the Kings Cross redevelopment (then Europe’s largest regeneration project) and district heating arrangements for the 2012 London Olympics. He was also named in the 2011 Legal 500 for his experience in the energy sector.

In 2013, Matthew published Procurement of Utilities: Law and Practice through Oxford University Press.

Contributed to


Renewables Obligation (RO)—sustainability criteria and reporting for solid biomass, biogas and bioliquids
Practice Note

For RO accredited generators who use solid biomass, biogas or bioliquids to fuel their electricity generation, the RO imposed certain requirements around the provenance of the fuel used and green house gas emissions levels; these requirements are broadly referred to as ‘sustainability criteria’. This Practice Note provides an overview of these requirements.

Supplier of last resort—key features
Practice Note

This Practice Note summarises the Office of Gas and Electricity Markets Supplier of last resort (SoLR) mechanism used to ensure continuity of electricity and gas supply to customers of failed energy suppliers. It includes links to announcements/publications seen when the SoLR mechanism was used for Co-Operative Energy’s 2016 appointment as SoLR for customers of GB Energy Supply, in 2018 Green Star Energy’s appointment as SoLR for the customers of Future Energy, Hudson Energy’s appointment as SoLR for customers of National Gas and Power Limited, Octopus Energy’s appointment as SoLR for customers of Iresa and GEN4U, First Utility’s appointment as SoLR for customers of Usio Energy, Scottish Power’s appointment as SoLR for customers of Extra Energy, Together Energy’s appointment as SoLR for OneSelect, and in 2019 Ovo Energy’s appointment as SoLR for Economy Energy. This Practice Note also looks at the interface between the SoLR regime and the energy supply company administration regime, the interface between the SoLR regime and the Last Resort Supply Payment, and the interface between the SoLR regime and deemed contracts.

Third party access to private electricity networks
Practice Note

This Practice Note explains how third parties can obtain access to electricity networks that are not owned or operated by licensed electricity companies, sometimes known as ‘private wires’. It covers the legal requirements and procedures for third parties to access private electricity networks. The Practice Note was produced in partnership with Matthew Collinson.

Other work

Practice areas


  • LL.B (Hons)


  • Consulting Editorial Board
  • Contributing Author


  • Cardiff University Law School

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