Future Trends in District Heating Development
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Purpose of Review
This article describes challenges that should be overcome towards implementation of low-temperature district heating (LTDH). The trends in development, operational issues, and legislative framework were revised.
The new substation design with solutions to avoid legionella bacteria issue, improved network topology and control strategies, opportunities of LTDH for buildings under various renovation stages and construction year were identified as the most crucial for the transition to 4th generation district heating (DH). Importance of heat load aggregation to avoid peak load issue in the areas with low-energy buildings (LEB) and solutions for transition from high temperature to low temperatures in the DH network have been shown.
The findings indicate that there is a huge potential for achieving low-carbon society and improvement in energy efficiency under transition to LTDH. The solutions for transition from high-temperature DH to LTDH exist; however, they need good policies and market availability to be implemented.
KeywordsLow-temperature district heating (LTDH) Low-energy buildings (LEB) ZEB Future trends in DH development
The authors gratefully acknowledge the support from the Research Council of Norway through the research project understanding behavior of district heating systems integrating distributed sources under FRIPRO/FRINATEK program and the Research Center on Zero Emission Neighborhoods in Smart Cities (FME ZEN).
Compliance with Ethical Standards
Conflict of Interest
Tymofii Tereshchenko declares no potential conflicts of interest.
Natasa Nord is a section editor for Current Sustainable/Renewable Energy Reports.
Human and Animal Rights and Informed Consent
This article does not contain any studies with human or animal subjects performed by any of the authors.
Papers of particular interest, published recently, have been highlighted as: • Of importance •• Of major importance
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