Project: The HWC in the Jenfelder Au

01.09.2011 to 31.08.2017
on-going project
LIFE+ Programme
Approved by
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Centralised energy and wastewater systems currently do not allow energy generation from sewage and in contrast, require considerable energy for the treatment of the black, grey and rain water.The HWC project is part of a new 35 ha real estate development, comprising some 700 apartments, of which 610 will take part in the project.

These apartments will be fitted with water-saving vacuum sanitation technology and separate wastewater collection, drainage and treatment systems. The black water stream will be used for energy generation. The grey and storm water streams will be treated separately using a new and simplifies approach.

“Unity in diversity” is the slogan selected to represent the social and environmental standards incorporated into the Jenfelder Au neighborhood, located in the eastern part of the city of Hamburg.


The Jenfelder Au will be the first neighborhood in Hamburg where the HAMBURG WATER Cycle will be incorporated into newly constructed buildings. Based on source control of wastewater, stormwater, greywater and blackwater are collected one by one and then treated separately on-site. This concept intends to establish synergy between wastewater management, waste management and energy production, and contributes to an improved local natural water cycle.

Additionally, the space-efficient development plan ensures affordable access to townhouses with gardens in Jenfeld. The individuality of the approximate 2,000 future residents is also not sacrificed. The award-wining concept, given to West 8, the city planners from the Netherlands, incorporates a variety of house and apartment styles with individual aspects which harmonize to form one neighborhood which truly manifests the motto, “unity in diversity”.
The HAMBURG WATER Cycle will be carried out for the first time in a larger scale in the Jenfelder Au. There, the HWC will be implemented in approximately 610 residential units, making the development of a neighborhood with climate-neutral residences with sustainable water drainage possible. The project is unique in [...]

Organisations and people involved in this project.

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Role in project: Project Coordination

Contact person: SKAMBRAKS Anne-Katrin


Phone: +49-40 7888 2223