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@INPROCEEDINGS{Peronato_CISBAT2023_2023,
         author = {Peronato, Giuseppe and K{\"{a}}mpf, J{\'{e}}r{\^{o}}me},
       projects = {Idiap},
          month = dec,
          title = {Potential for district heating networks from waste heat: an assessment tool and its application to sewage treatment plants in the Canton of Zurich},
      booktitle = {Journal of Physics: Conference Series},
         volume = {2600},
           year = {2023},
      publisher = {IOP Publishing Ltd},
            url = {https://iopscience.iop.org/article/10.1088/1742-6596/2600/2/022014},
            doi = {10.1088/1742-6596/2600/2/022014},
       abstract = {Industrial waste heat is a valuable heat source to provide a decarbonized supply to district heating networks. In particular, sewage water treatment plants are a widely-available source of waste water, which can be used as part of low-temperature district heating networks.
In this paper, we present an assessment framework to estimate the potential from existing heat sources to supply a new district network, in terms of heat supplied consumers (number, location and heat coverage) and plausible network layout.
The case-study application is an evaluation of the waste-water potential in the canton of Zurich. Considering 61 waste-water treatment plants for a total unexploited potential of 607 GWh, we show that 13,077 buildings could be connected to a district heating network originating from such plants. This value represents about 6\% of the building stock in the canton of Zurich and 6\% of the current estimated heating demand. By considering decentralized water-water heat pumps for each building connected to the network, we find that a 14\% electricity saving could be obtained compared to standalone air-water heat pumps.
By clustering substations according to the potential net revenue for the network operator and automating the tracing of the shortest-path network layout, we estimate the pipework length and the related investment costs.}
}