期刊
ENERGY
卷 159, 期 -, 页码 1161-1174出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2018.06.192
关键词
District heating; Waste heat integration; Seasonal storage; Economic and ecological assessment; Operational optimization
资金
- Climate and Energy Fund
- Smart City Demo program [853169]
The integration of renewable heat sources and industrial waste heat in urban district heating (DH) networks is essential for a sustainable and low-carbon heat supply and therefore a key element for a future prove energy system. Achieving this integration requires the investigation of different technical and infrastructural options, as well as economic analyses for improved implementation. In the city of Linz (Austria), the existing industry exhibits significant unused waste heat potentials which could be integrated into the existing urban OH system, however, a seasonal storage is required due to the competition with an existing waste incineration plant. This paper shows, that a strategic operation of the seasonal storage could increase the number of charging cycles and thereby increase significantly the revenues of the system. This is mainly due to the combined utilization of the storage in a seasonal approach to shift the waste heat from summer to the winter period and as a short term buffer. Thus, the profits from actively participating on the electricity market with the existing combined heat and power (CHP) plants are increased. (C) 2018 Elsevier Ltd. All rights reserved.
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