Gas to grid (biomethane) projects

Copyright © 2025 LexisNexis
Produced in partnership with Ellen Beardsworth of Addleshaw Goddard
Practice notes

Gas to grid (biomethane) projects

Copyright © 2025 LexisNexis

Produced in partnership with Ellen Beardsworth of Addleshaw Goddard

Practice notes
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What is biogas and biomethane?

Biogas is a mix of methane and carbon dioxide produced by the decomposition of organic material and anaerobic digestion. It is chemically identical to fossil gas because it is derived from the same matter but it is produced differently.

Biomethane is produced by treating and purifying biogas, enabling it to be used as a fuel that can be transported and used in homes. Biomethane can be transported using the same existing infrastructure that is used for fossil gas, ie the gas grid.

Uses of biomethane

Although this note primarily focusses on gas to grid projects (ie the transportation of biomethane on the natural gas grid) there are other uses for biogas and/or biomethane.

Heat

Biogas can be combusted to produce heat. The energy produced can then be used to maintain the temperature of the digester and to heat nearby buildings. The excess heat can then be transferred to remote users via a district heating system.

Electricity

Using biogas to generate electricity has historically been a more viable alternative

Ellen Beardsworth
Ellen Beardsworth

Associate, Addleshaw Goddard

Ellen joined Addleshaw Goddard's IPE team in January 2018 having previously qualified into construction. She has experience advising both public and private sector clients on a wide range of transactional infrastructure and renewable energy projects including CHP, electric vehicles, solar, wind and district heating. Ellen has completed two secondments within the legal team at a national rail infrastructure company, supporting their business. Her other recent experience includes:
  • being a key member of the AG team advising VW on their £multi-billion EV project with Ford as part of the wider strategic partnership between VW and Ford;
  • advising Southern Water on the procurement and development of a reservoir in conjunction with Portsmouth Water; and
  • advising one of the largest energy consumers in the UK on the drafting and negotiation of their corporate PPA as part of a decarbonisation programme; and
  • advising Aberdeen Standard on the installation of solar panels on their property portfolio.

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Jurisdiction(s):
United Kingdom
Key definition:
RO definition
What does RO mean?

Reliability Option (also can be Renewables Obligation)

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