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Updating the Path to a Carbon-Neutral Built Environment—What Should a Single Builder Do

LUT School of Energy Systems, Lappeenranta University of Technology, 53850 Lappeenranta, Finland
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Buildings 2018, 8(8), 112; https://doi.org/10.3390/buildings8080112
Received: 6 July 2018 / Revised: 7 August 2018 / Accepted: 16 August 2018 / Published: 17 August 2018
(This article belongs to the Special Issue Building Sustainability Assessment)
This paper proposes an extension for feasibility assessment of residential energy (heat and electricity) supply solutions in an operational environment undergoing major changes. In order to improve the life cycle economy of the energy supply, the design has to accommodate technological, economic, and regulatory changes in operational environment over the long time. New elements must be included in feasibility assessments of energy supply to ensure consideration of future economic opportunities and risks. The extended feasibility assessment brings up the profitability of “future proofed” more sustainable solutions with lower risks related to utilization costs and with improved resale value preservation. The findings of systematic literature study were structured and clarified into a decision support matrix to guide the assessment process. The procedure was verified by identifying the optimal energy supply solution for a net-zero energy single-family house in Southern Finland. The verification demonstrated that the procedure provides new insights on the economy and the climate implications of the energy solutions. View Full-Text
Keywords: residential energy supply; life cycle economy; technological changes; economic changes; regulatory changes; renewable energy; demand response residential energy supply; life cycle economy; technological changes; economic changes; regulatory changes; renewable energy; demand response
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Vinokurov, M.; Grönman, K.; Kosonen, A.; Luoranen, M.; Soukka, R. Updating the Path to a Carbon-Neutral Built Environment—What Should a Single Builder Do. Buildings 2018, 8, 112.

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