Impact of photovoltaic power plants on the overall electric power system of the Republic of Macedonia
Journal
Contemporary Materials
Date Issued
2013
Author(s)
Tomovski, Igor
Kocarev, Ljupco
Abstract
In this paper we analyze the impact of the renewable energy sources on
the overall electric power system of the Republic of Macedonia. Specifically, the effect of
the photovoltaic power plants is examined. For this purpose we developed an electricity
production optimization model, based on standard network flow model. The renewable
energy sources are included in the model of Macedonia based on hourly meteorological
data. Electricity producers that exist in 2012 are included in the base scenario. Two more
characteristic years are analyzed, i.e. 2015 and 2020. The electricity producers planned to
be constructed in these two years (which include the renewable energy sources) are also
included. The results show that the renewable energy sources introduce imbalance in the
system when the minimum electricity production is higher than the electricity required by
the consumers. But, in these critical situations the production from photovoltaic energy
sources is zero, which means that they produce electricity during the peak load, and do not
produce when the consumption is at minimum.
the overall electric power system of the Republic of Macedonia. Specifically, the effect of
the photovoltaic power plants is examined. For this purpose we developed an electricity
production optimization model, based on standard network flow model. The renewable
energy sources are included in the model of Macedonia based on hourly meteorological
data. Electricity producers that exist in 2012 are included in the base scenario. Two more
characteristic years are analyzed, i.e. 2015 and 2020. The electricity producers planned to
be constructed in these two years (which include the renewable energy sources) are also
included. The results show that the renewable energy sources introduce imbalance in the
system when the minimum electricity production is higher than the electricity required by
the consumers. But, in these critical situations the production from photovoltaic energy
sources is zero, which means that they produce electricity during the peak load, and do not
produce when the consumption is at minimum.
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