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Turnkey and subcontracting

Bigadan engages in collaboration on different levels depending on the client's project.

Our concept is well-proven practically and scientifically which is your guarantee for a modern, productive and profitable biogas plant.

The standardized concept is a module-based construction which ensures low construction costs, a shorter planning and building time and it makes future expansions of the plant a lot more simple. We know our main suppliers well and have worked with them for many years. This way, we secure delivery on time and in the high quality we demand for our clients.

The core competence of Bigadan is to deliver:

Large-scale turnkey biogas plants

The turnkey model has the advantage of short construction time where Bigadan is able to handle the entire process, including:

  • Detailed designing
  • Total plant supply
  • Commissioning
  • Training of the staff

See the selected cases for examples of some of our plants.


In these types of projects, the customers carry out the construction and often find suppliers themselves. Bigadan is able to contribute with various elements of the project, including:

  • Detailed designing of the entire plant
  • Complete machine and process equipment
  • SCADA (control system)
  • Erection and site management
  • Commissioning
  • Training of the staff
  • Full responsibility for the process


Through close and long-lasting co-operation with some of the best suppliers in the business we are able to offer quick delivery of the best and most efficient equipment for any project. We are always interested in engaging in co-operation with new suppliers so if you have any inquiries you are welcome to contact us.