All subjects
Technology & Suppliers

Wärtsilä to supply biogas upgrading tech to UK gas-to-grid project

Wärtsilä to supply biogas upgrading tech to UK gas-to-grid project
Site preparation and foundation work at the Melton Energy Tech biogas plant under construction near Hull in the UK (photo courtesy PWCL).

Marine, gas, and energy technology major Wärtsilä Oyj has announced that it will supply a biogas upgrading solution to Transwaste Ltd, a UK-based waste management and environmental services company that is developing a biogas plant.

An error occurred

You are logged in as subsbriber at Bioenergy International, but something is wrong.

On your profile you can see what subscriptions you have access to and more information.

Is some of the information wrong – please contact our customer service.

Please reload the page

We could not ascertain if you are logged in or not. Please reload this page.
Bioenergy International premium

Do you want to read the whole article?

Only logged in payed subscribers can read all contents on
As an subscriber you get:
  • Six editions per year
  • Full access to all digital content
  • The E-magazine Bioenergy international
  • And more ...

Once fully operational, the plant, near Hull in the north of England, will produce biogas from municipal waste and will inject up to 6 million Nm3 of biomethane (aka renewable natural gas – RNG) into the national gas grid each year.

This will be a dry anaerobic digestion plant capable of handling the organic matter with a consistency of approximately 20 to 40 percent dry matter. Conventional wet digestion plants can handle a maximum of 20 percent dry matter.

Puregas amine-based system

A Wärtsilä biogas upgrading solution under construction in Kalmar Sweden (photo courtesy Wärtsilä).

The delivery of the upgrading plant, the value of which has not been disclosed is scheduled for December 2023.

Key features of Wärtsilä’s Puregas amine-based, upgrading technology are its significant operational cost advantages and its ability to handle biogas with high concentrations of Volatile Organic Compounds (VOCs) without the need for costly pre-treatment.

Since the raw biogas for this project is expected to contain higher than normal VOC levels, the Wärtsilä solution will include a flash tank to flash out the VOCs and ensure long amine life.

Melton Energy Tech Ltd has been established to execute the project which is being managed by Paul Winter Consulting Ltd (PWCL), a project management and construction consultancy business.

We have successfully worked in close cooperation with Wärtsilä on a number of previous projects and we are pleased to continue this cooperation with this latest project. Wärtsilä brings a wealth of technical knowledge and experience which is particularly valuable during the pre-construction phase, commented Chris Ives of PWCL.

Wärtsilä Gas Solutions is a market leader with innovative systems and lifecycle solutions for the gas value chain including seaborne transport – storage, fuel, transfer, and boil-off gas (BOG) management – gas to power, liquefaction, and biogas solutions.

The operational cost advantages of  Wärtsilä’s biogas upgrading solution are especially relevant now that energy costs are so high. Our solutions are fully aligned with Wärtsilä’s strategy to develop and deliver solutions that support a sustainable future. Furthermore, this product will provide the customer with the lowest Total Cost of Ownership which is a key driver for both our product development and value propositions, said Steven Scott, Sales Manager, Biogas Solutions, Wärtsilä Gas Solutions.

Most read on Bioenergy International

Get the latest news about Bioenergy

Subscribe for free to our newsletter
Sending request
I accept that Bioenergy International stores and handles my information.
Read more about our integritypolicy here