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Smart city article details
| Title | Driving Industrial Symbiosis: Evaluating Policy Intervention Effects On Waste Heat Utilization In Local District Heating Networks |
|---|---|
| ID_Doc | 21047 |
| Authors | Bottecchia L.; Kranzl L.; Zambelli P. |
| Year | 2024 |
| Published | Energy and Buildings, 324 |
| DOI | http://dx.doi.org/10.1016/j.enbuild.2024.114865 |
| Abstract | This study aims to quantitatively assess the required policy support level to ensure economic viability for all stakeholders in the context of using industrial waste heat as source of local district heating (DH). Additionally, the research explores the potential of industrial symbiosis to support district-level energy transition in the context of Positive Energy Districts and Smart Cities. The proposed approach combines energy modelling tools, namely the Multi Energy System Simulator (MESS) model and financial concepts (i.e. Cash Flow Analysis, Net Present Value Evaluation) typical of industry's project evaluation. It is then tested in the area of Bolzano, Italy. The study examines various policy scenarios, including financial incentives and the involvement of district heating operators (DHOs). Initial findings indicate that district heating offers significant cost advantages (up to –23%) over electrified systems. However, industries face challenges meeting standard payback periods without policy intervention in the context of projects using waste heat as a source of DH. A combined scenario involving DHOs handling connection costs with a 60% incentive and industries receiving a 15% Feed-In Premium shows promising results in achieving economic feasibility. The results underscore the critical role of policy support in overcoming barriers. Consequently, it is possible to strengthen cooperation between industries and districts fostering local energy transition. Nonetheless, the achievement of positive energy balance requires a stronger presence of RES particularly on the electricity side. The study highlights the broader implications for similar projects in other regions and the essential role of policy interventions in facilitating such industrial symbiosis. © 2024 The Author(s) |
| Author Keywords | District heating; Industry symbiosis; Policy intervention; Techno-economic analysis |
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