Payback period of investments in energy saving

Authors developed a mathematical model for estimating the discounted payback period of investments for reducing energy resources needed in building's development. Obtained equations allow calculating the projected payback period for investments in energy saving, taking into account the size of the investment, the estimated or actual value of the achieved energy saving effect, the dynamics of energy carriers tariff growth, the discounting of future cash flows, and also a value and a period of loan repayment. The proposed mathematical model allows to perform quickly and efficiently a comparison of various energy-saving solutions based on economic viability and choose the most optimal from them.

Keywords

окупаемость инвестиций, return of investments, pay back period, energy resources, инвестиции, здания, buildings, строительствоp, operating costs, энергетическая эффективность, energy saving, энергосбережение, energy consumption, investments, энергетические ресурсы, эксплуатационные затраты, срок окупаемости инвестиций, civil engineering, energy efficiency, энергопотребление

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