Project Tiel, The Netherlands

Tiel Sewage Treatment Plant

A 100% energy-neutral plant

The project consisted of upgrading the sewage treatment plant to a 100% energy neutral facility

A sustainable solution

The plant itself meets its own energy needs. This was made possible by the installation of a sludge treatment process to produce biogas. This biogas is then used to provide heat and electricity. The treatment also includes a production facility of natural fertiliser. Sludge, or 'sewage sludge', is a residual, organic material that is produced during the treatment of wastewater. Its use as a fuel for the plant’s operations, which require a large amount of energy, is therefore both a cost efficient and a long-term sustainable solution.

Co-creation & Bouwteam

The project is an outstanding example of co-creation between BESIX Nederland and BESIX Environment, as well as with the client, Waterschap Rivierenland. The solution, which required the integration of state-of-the art technologies, was designed by BESIX Environment, in collaboration with its Dutch subcontractor Colsen. BESIX Nederland carried out all civil engineering works.

Project details

Project name

Tiel Sewage Treatment Plant


Municipal Wastewater Treatment Plants, Waste-to-Resource

Contract type

Design & Build


Tiel, The Netherlands


BESIX Nederland, BESIX Environment

External partner(s)



Waterschap Rivierenland

Building Period

2018 - 2019

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