Optimization of economic outcomes of energy saving actions taken throughout the entire lifecycle of a capital construction facility

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Elena Petrovna Gorbaneva
Ilona Andreevna Kosovtseva
Timofey Vadimovich Kstenin

Abstract

The current consensus on the lack of alternatives to the energy-saving vector of economic development has led to the development of national and international energy saving programmes and numerous studies on improving the energy efficiency throughout the entire life cycle of projects in architecture, engineering, construction and operation of buildings. However, research projects have revealed a wide gap between projected and real energy consumption, which disrupts energy modernization strategies and policies. According to the recent studies, this gap is caused by social, technical and technology-related factors. The accuracy of assessing the economic efficiency of energy saving actions is also affected by macroeconomic uncertainties, which overcomplicate energy-focused economic modernization. Integration of technologies towards information modeling of the entire life cycle, energy saving, cost reduction can improve the state of affairs in architecture, engineering, construction and operation of buildings and structures. Methods used to increase the accuracy of prognosticated economic consequences of energy saving actions are the subject of this study. The authors have developed algorithms for the quantitative description of contributions, made by architectural/planning solutions, energy-saving technical and technology-focused solutions, and predictive macroeconomic conditions to the energy efficiency assessment throughout the entire life cycle of a construction project. The resulting information model of the project life cycle, available at the design stage, allows optimizing geometric parameters of architectural and planning solutions in terms of the energy consumption/cost ratio. At the reconstruction stage, information models optimize technical and technological solutions aimed at energy saving. At the stage of operation, planned energy-saving actions can be optimized using the results of dynamically monitored thermal properties of building envelopes and macroeconomic conditions. In addition, the information model of energy efficiency allows for the quantitative analysis of the economic effect of investments in the replacement of building envelope elements to optimize current management solutions in terms of the cost/effect ratio.


Acknowledgement. The study was supported by Project No. 3.1.7.1 of the Fundamental Research Plan of the Russian Academy of Architecture and Civil Engineering for 2021–2023 and the Ministry of Construction and Public Utilities of the Russian Federation. The studies, whose results are presented in this paper, were conducted using the Prof.Yu.M. Borisov Equipment Sharing Centre at VSTU, as well as support from the Ministry of Science and Higher Education of the Russian Federation, Project No. 075-15-2021-662.

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How to Cite
Gorbaneva, E. P., Kosovtseva, I. A., & Kstenin, T. V. (2023). Optimization of economic outcomes of energy saving actions taken throughout the entire lifecycle of a capital construction facility. Real Estate: Economics, Management, (4), 45–49. https://doi.org/10.22337/2073-8412-2022-4-45-49
Section
Urban regulation and management of housing and public utilities

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