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An Evaluation of Primary Energy Factor Values of Wind Turbines

JSC “Planuotojai”, Vasario 16-osios str. 8-6, LT-44250 Kaunas, Lithuania
Faculty of Civil Engineering and Architecture, Kaunas University of Technology, Studentų st. 48, LT-51367 Kaunas, Lithuania
JSC “Įraža”, Tunelio str. 60, LT-4440 Kaunas, Lithuania
Faculty of Environmental and Civil Engineering, Bialystok University of Technology, Wiejska 45 E, 15-351 Bialystok, Poland
Author to whom correspondence should be addressed.
Presented at the Innovations-Sustainability-Modernity-Openness Conference (ISMO’19), Bialystok, Poland, 22–23 May 2019.
Proceedings 2019, 16(1), 9;
Published: 12 June 2019
PDF [251 KB, uploaded 12 June 2019]


In order to fulfil the European Energy Performance of Buildings Directive (EPBD) requirements regarding the reduction of energy consumption in buildings, much attention has been paid to primary energy consumption. Wind energy is one type of primary energy. The analysis of the literature has revealed that wind energy is evaluated by different methods. Therefore, the aim of this article was to calculate the effect of the parameters of wind sources on the primary energy factor of wind turbines. In order to achieve this aim, the primary energy factor of 100 investigated wind turbines and 11 wind farms operating in Lithuania was calculated. Investigation results showed that the difference of the non-renewable primary energy factor between wind turbines due to capacity is 35%. This paper provides a recommendation with regard to EU energy efficiency and renewable energy directives and regulations: All EU member states should use the same or very similar methodology for the calculation of the primary energy factor of renewable and non-renewable energy sources.
Keywords: primary energy; renewable energy; wind power; energy efficiency; auxiliary energy primary energy; renewable energy; wind power; energy efficiency; auxiliary energy
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Tamašauskas, R.; Šadauskienė, J.; Bruzgevičius, P.; Krawczyk, D.A. An Evaluation of Primary Energy Factor Values of Wind Turbines. Proceedings 2019, 16, 9.

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