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Smart Urban Energy Concept: Integration of Heat Pumps, PV, Cogeneration, and District Heating in Existing Multi-Family Buildings

: Lämmle, M.; Hess, S.; Herkel, S.

Volltext urn:nbn:de:0011-n-6389087 (756 KByte PDF)
MD5 Fingerprint: f82b6fa8abb7ee08cf2bd536ea70d799
Erstellt am: 25.8.2021

International Solar Energy Society -ISES-; International Energy Agency -IEA-, Paris; International Energy Agency -IEA-, Solar Heating and Cooling Programme -SHC-:
EuroSun 2020, 13th International Conference on Solar Energy for Buildings and Industry : 1 - 3 September 2020, Virtual Conference
Freiburg: ISES, 2020
ISBN: 978-3-9820408-2-0
International Conference on Solar Energy for Buildings and Industry (EuroSun) <13, 2020, Online>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Thermische Systeme und Gebäudetechnik; CO2 reduction; district heating; energy management; heat pump; smart grid; energieeffizientes Gebäude; Gebäudesystemtechnik

An innovative urban energy concept for a German district with five existing multi-family buildings integrates photovoltaics, heat pumps, and cogeneration units in a district heating grid for an energy-efficient and economic heat and electricity supply. Simulation results show the synergies of a smart integration of proven technologies: by means of optimized component dimensioning, a suitable hydraulic design and smart control strategies, the CO2 emissions can be reduced by 52 %. At the same time, the district concept is economically viable showing a positive annual turnover. The energy system will be implemented in 2020, followed by a scientific monitoring and evaluation of the performance. If the monitoring data confirm the promising simulation results, the energy concept can serve as a model for energy-efficient and economic renovation of similar districts.