Foto: Frontansicht des Biohofs Achleitner

CiQuSo - City Quarters with optimised solar hybrid heating and cooling systems

The project CiQuSo aims to develop, evaluate and optimize concepts for solar energy systems to provide energy for buildings and cities. The applicability of the developed methods and concepts will be shown as an example at Itzling, a part of Salzburg city.

Short Description

Status

ongoing

Summary

Starting point / motivation

Cities with local and decentralized produced renewable energy sources can contribute a significantly to Austria's change in energy strategy. Deploying solar technologies to provide energy for heating, cooling, domestic hot water and electricity is state-of-the-art.

Most activities regarding application as well as research in the field of solar energy concepts focus on the on the building level. Existing optimization potentials gained by intra-building energy exchange as well as load shifting strategies were hardly investigated until now. An energy management strategy on city level which coordinates the heat and electricity exchange between buildings in order to optimize the overall performance could be used to optimize the self-consumption of locally produced renewable energy and to increase the entire city efficiency as well.

Contents and goals

The project CiQuSo aims to develop, evaluate and optimize concepts for solar energy systems to provide energy for buildings and city quarters. Solar thermal, solar electrical and solar hybrid concepts will be investigated deeply in combination with characteristic reference buildings by means of dynamic simulations to enable further optimizations.

The main project goals can be summarized as follows:

  • Quantification of the optimization potentials of the application of solar energy systems on city level considering intra-building energy exchange and load shifting strategies.
  • Sound comparison of the considered system concepts (solar thermal, solar electrical, solar hybrid) regarding providing energy to the city.
  • Development, analysis and further optimization of new highly innovative solar hybrid energy system concepts.
  • Usage of implicit and explicit storage potentials in buildings, systems and the city in order to improve the energy performance of solar systems.

Methods

The general approach and die methodologies applied are described in the following figure (only available in german):

Expected results

The developed new concepts and methods are applicable to any city due to the generic approach they are based on. This applicability will be demonstrated in Itzling, Salzburg as a show case. The elaborated results will be presented to the interested public and industry.

The project aims to deepen the knowledge on the city-level application of solar, especially solar hybrid systems in order to contribute to further spread those technologies in the Austrian and European markets.

Project Partners

Project management

AIT Austrian Institute of Technology GmbH, Energy Department

Project- or cooperation partners

Contact Address

AIT Austrian Institute of Technology GmbH
Energy Department
Tim Selke
Giefinggasse 2
A-1210 Wien
Tel.: +43 (1) 50550-6651
Fax: +43 (1) 50550-6613
E-Mail: tim.selke@ait.ac.at
Web: www.ait.ac.at

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