Implementation of island operation

Summary

The tender concerns the electrical, automation and protection-system conversion of the Bottrop wastewater treatment plant so that it can operate in island mode and perform a black start after a grid failure. The works include controlling four natural-gas and four biogas combined heat and power modules, modifying medium- and low-voltage switchgear, upgrading 10 kV protection systems, extending automation programs and visualisation, installing network and fibre-optic connections, cabling, UPS power, testing, commissioning and comprehensive documentation. The company must submit a complete tender in German together with the suitability self-declaration, references and other required evidence. The tender deadline is 6 October 2026 at 10:20; price is the only award criterion, and no lots or alternative tenders are provided for.