Supply and installation of the Duissern battery system

Summary

The tender covers the supply, delivery to site and installation of a stationary 108-cell lead-acid battery system at the Duissern site, including dismantling and disposal of the existing system. The specified battery has a rated capacity of 361 Ah (C10) and a stated service life of 20 years; the offered product must meet the technical specification or be equivalent. The work also includes connecting the battery, installing the required cables and new battery connection units, providing a temporary battery during installation, commissioning, and carrying out measurements. The work must be completed by 4 December 2026. The bidder must provide the requested turnover and experience information, a reference for installing a standby power supply system for a transport operator within the last five calendar years, and valid ISO 9001 and ISO 14001 certificates or equivalent evidence. Qualified personnel must be available, a project manager and deputy must be named, and insurance cover must be arranged for at least EUR 2 million for personal injury and EUR 1 million for other damage. The tender must include the completed price schedule in both PDF and GAEB formats, as well as the required declarations and evidence. It must be submitted in German through the electronic procurement platform by 12 October 2026 at 12:00. Price is the sole award criterion; alternative tenders are not permitted.