Biomethane connections

Biomethane is a renewable gas. It is made from biodegradable matter such as food waste, sewage or energy crops. It has a key role to play in a low carbon economy.

Britain has a comprehensive network of gas pipes reaching over 80 per cent of UK homes. We don't need to make any changes to appliances or the gas network to use biomethane. We want to increase the amount of renewable gas we have on our network. And we want to make it as simple as possible for producers to connect to our network.


Get started

Here are the steps that we will take you through to get you connected to our network. Don't worry, we’ll stay in touch along the way to make sure it's going smoothly and you’re happy with everything.
  • Initial enquiry

    Complete our initial enquiry form and we’ll carry out a high level analysis free of charge, to check whether a connection is possible.

  • Detailed Analysis Study (DAS)

    For a small fee, we can undertake further analysis to check available network capacity. We aim to provide this within 30 days.

  • Apply to connect

    Once you have received your DAS, complete and submit an application to connect.

  • Contractual agreement

    We aim to provide you with a Connection Offer within 3 weeks of receiving your application.

  • Technical assessment and design

    One of our technical team will be in touch to plan your project in more detail. You will need to submit a design against the agreed scope.

  • Build and installation

    We will provide you with a ‘design acceptance’ to allow works to begin. You will need to provide as-laid records once the works are complete.

  • Testing and commissioning

    We require evidence that all site testing is satisfactory before granting you authorisation to commission.

  • Project completion

    Once you provide a complete record for your project, we will carry out a financial reconciliation.

Enquiry form

Use this form to find out whether there is sufficient capacity in the gas network where you intend to produce biomethane. More details on this initial step are available in our Commercial Arrangements section. 

Biomethane customer enquiry form

There are eight steps to getting connected.

  1. Make an initial enquiry about capacity at a specific location
  2. If there is enough capacity, a detailed analysis study is performed
  3. If you want to proceed, make an application to connect
  4. Sign a connection agreement and pay
  5. Attend an initial meeting to discuss your proposal in more detail
  6. We review and approve your design documents in order to allow works to begin
  7. Site testing and commissioning
  8. Financial reconciliation and project close out.

For more information, visit our Biomethane Capacity Enquiry page.


Case study

We have five biomethane projects with Severn Trent which produce biogas from sewage, food waste and crops. Martin Lightfoot, Renewable Energy Engineer at Severn Trent Water, provides an insight into these projects and his experience of the process.

Find out more

How to connect

Connection application form

Customer Guide to Connect

Customer Enquiry Form

Network Entry Gas Quality Specification

DAS Application Form

Do you have a biomethane connection enquiry?

We want to hear from you and work with you.

We want to make sure you can easily start injecting your gas into our network.  We're here Monday to Friday, 8am - 6pm, except for public holidays.
Call 07816 145 573 or

alternatively, email