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Assessment of Photovoltaic Systems in Public Utility Facilities in Light of the European Parliament Directive Requirements on Energy Efficiency
Krzysztof Nęcka
Tomasz Szul
Abstract
A public utility facility underwent an energy and economic efficiency audit regarding the photovoltaic system generating electricity for its own needs. The audit included an analysis of the amount of energy produced by the PV generation system, the calculation of the amount of the energy conserved, as well as the economic viability of the project in accordance with the guidelines contained in the Regulation of the Minister of Economy on energy efficiency. Two options for the financing of investments were considered: own resources of the public body or the purchase of the system with the financing from the EU funds — ROP Measure 7.2 – Improving air quality and increase in the use of renewable energy sources. On the basis of the economic analysis, it was determined that the installation of a photovoltaic system is economically justified only if the public body receives funding from external sources — such an investment (taking into account the changing value of money over time) may be recovered after 13 years of use, and the cost incurred to conserve energy will be twice lower than the cost of purchasing electricity from the grid.
Keywords:
energy efficiency audit, photovoltaic system, public utility facilityMost read articles by the same author(s)
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