|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|308015||513516||2016||8 صفحه PDF||سفارش دهید||دانلود رایگان|
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• Question: is it possible to cover the building energy demand of an ordinary mixed-used inner-city community entirely with local, renewable energies sources?
• The building energy demand can be covered entirely with local, renewable energies in the investigated case study.
• Some restrictions in cost-effectiveness do remain for the electricity supply.
• The energy supply is mainly provided by a production waste from a local food industry site.
• The methodology shows a way for municipalities to overcome insufficient building data with simple but profound estimations that is transferable to other communities.
The reduction of GHG emissions in buildings is a focus area of national energy policies, because buildings are responsible for a major share of energy consumption. Policies to increase the share of renewable energies and energy efficiency measures are implemented at local scale. Municipalities, as responsible entities for physical planning, can hold a key role in transforming energy systems towards carbon-neutrality, based on renewable energies. The implementation should be approached at community scale, which has advantages compared to only focusing on buildings or cities. But community energy planning can be a complex and time-consuming process. Many municipalities hesitate to initiate such a process, because of missing guidelines and uncertainty about possible energy potentials. Case studies help to understand applied methodologies and could show available energy potentials in different local settings. The current case study presents a community energy concept for the inner-city of Elmshorn. By estimating the energy demand, consideration of local energy saving potentials, and available energy potentials within the community, it was possible to develop several energy system variants that virtually allow a heating energy and electricity supply fully based on local, renewable energy resources. The most feasible and cost-efficient variant is the use of local food production waste in a CHP plant feeding a district heating grid. The overall aim is to show that a self-sufficient heat- and electricity supply of typical urban communities is possible and can be implemented in a cost-efficient way, if the energy planning is done systematically and in coherence with urban planning.
Journal: Sustainable Cities and Society - Volume 26, October 2016, Pages 1–8