Optimization/Decarbonization of the Sewage Treatment Plant, Electrical Integration... Tender

The CITY OF BAD KISSINGEN has issued a Tender notice for the procurement of a Optimization/Decarbonization of the Sewage Treatment Plant, Electrical Integration for the Construction of a Heat Pump in the Germany. This Tender notice was published on 30 Jan 2026 and is scheduled to close on 03 Mar 2026, with an estimated Tender value of EUR 535000.00. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 134718422, while the tender notice number is 67967-2026 and Registering on the platform.

Expired Tender

Procurement Summary

Country: Germany

Summary: Optimization/Decarbonization of the Sewage Treatment Plant, Electrical Integration for the Construction of a Heat Pump

Deadline: 03 Mar 2026

Posting Date: 30 Jan 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 134718422

Document Ref. No.: 67967-2026

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: EUR 535000.00

Purchaser's Detail

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Tender Details

The city of Bad Kissingen's wastewater treatment plant is converting its energy supply network to renewable energies. The goal of the new operating model for the wastewater treatment plant is to completely replace the use of natural gas as a fossil fuel and to supply it of electricity from the public power grid as much as possible. The purchase of electricity from the public power grid should be minimized by using our own photovoltaic system on the roofs and open spaces of the sewage treatment plant. Wears here In the future, a battery storage system will contribute to electrical self-sufficiency on the system. The digester gas storage is to be expanded and adapted to the new operating model, which will result in increased use of the digester gas generated by the company. This enables an improvement in self-consumption optimization and the degree of self-sufficiency through the use of the CHP. This measure is intended to create the prerequisites for the electrical integration of a heat pump and ultimately make it electrical be integrated. The heat pump is intended to use the thermal energy from the treated wastewater to replace the fossil share of heat generation in an innovative and future-oriented manner. The relatively high level of thermal energy which is available in the wastewater all year round, ensuring efficient and reliable operation of the heat pump. Another component of the measure is the modernization of the process control system in order to...
Document Type: Contract Notice Reference Number: 2026-03/2022-0331-K/1a Contract Type: works Estimated Value: 535000.00 - EUR Authority Type: la Doc Title: Optimization/decarbonization of the sewage treatment plant, electrical engineering integration for the construction of one Heat pump Dispatch Date: 2026-01-29 Publish Date: 2026-01-30 Submission Date: 2026-03-03

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