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Forteiland Pampus

The Netherlands’ first UNESCO World Heritage Site

The Netherlands’ first UNESCO World Heritage Site Pampus aims to be 100% sustainable and self-sufficient. It uses the BioTransformer 50 (BT50) to try and reach this target while keeping the kitchen running to feed its visitors.

About Pampus

Pampus is a fortress island in the IJmeer. It was constructed 135 years ago as part of Amsterdam’s Defence Line. Today visitors come to the island to visit the museum, visitor centre with catering facilities and for private events.

As the first Dutch UNESCO World Heritage Site, Pampus has a goal to be 100% sustainable, self-sufficient and fossil-free. Without a connection to the mainland, it needs a sustainable energy source that supplies the circular entrance building. By taking responsibility for its sustainable future, Pampus is breathing new life into the energy transition. With the Circ Bio Transformer , Pampus is getting ever closer to achieving its sustainability objectives.


Unconsumed food from the restaurant is converted into BioGas and fertile BioWater via biotransformation in the Circ BT50 . Pampus no longer needs to pay for the transportation of these raw materials to the mainland; now it saves the money and converts the raw materials into green and useful BioGas and fertile BioWater.

Interested in what we can do for your cultural institute, museum or government?

Feel free to contact us. We look forward to exploring the possibilities together.

The benefits

  • BioGas is used to cook in the the kitchens and to heat (tap) water
  • BioWater is used for greenery’s maintenance on the island as well as for cultivation of fresh vegetables and herbs
  • The process of circularity and sustainability is shared with island visitors
  • Every day kilos of unconsumed food are processed into sustainable BioGas and BioWater

The result

  • CO2 reduction through energy transformation
  • Cost reduction for swill disposal
  • Cost savings on energy
  • Contribution to the sustainability goals of Pampus
  • Contribute to sustainability education and awareness of island visitors

We will call you back and answer any questions you may have.

Interested in what we can do for your cultural institute, museum or government?

Contact us