Expansion of biogas plant

CH4 Engineering, together with partners Nærenergi Gass and IK Rør, have completed the expansion of the biogas plant at Lindesnes.
We have good experience with process engineering facilities and have completed assignments on time and without damage. We thank Biowater Technology for the assignment!


In connection with water purification, biogas is extracted which is used for steam production.

CH4 Engineering AS wants to be perceived as a pioneering company in the field of environment and sustainability

CH4 works with biogas and other renewable energy solutions. Cycling is also a good and multifunctional contribution to achieving the UN’s sustainability goals. The arrangement for increased cycling on a daily basis is both physically and practically important. That’s why CH4 wants to cheer on good role models who set themselves the goal of asserting themselves in Norway’s and the World Cup. We are a proud sponsor and support Iver Johan Knotten’s goal of winning titles on the track and on the road.


Iver Johan Knotten is 24 years old and comes from Tønsberg. He has achieved 3 Norwegian champion titles on the track and has set a new Norwegian record on the 4000m track in 2022. The next goal is to consolidate this position, and establish himself in the world elite in speed.

Iver Johan Knotten

Renewable energy engineering company
CH4 Engineering AS.

CH4’s objectives are consultancy, consulting services, engineering, development of pre-projects and main projects in energy systems, with special focus on renewable energy.

CH4 has broad experience and a large network towards industry and the energy sector. The establishment of a consulting and advisory company will provide engineering services aimed at the public-private industry and agriculture. Such assignments are typically contributions in connection with pre-projects, technology and economics studies up to the main project. As well as assignments with project descriptions and applications to the policy instrument, as well as implementation of projects.

The foundations behind CH4 Engineering AS have broad experience from everything from concept and preliminary studies, project management and construction, to the operation of complete energy supply plants. The person in question has a contact network and an industry connection, especially aimed at biofuels and energy gas (Biogas, LPG, Natural Gas).