Abstract
The use of solar energy is an obvious choice; the energy of the sun is not only indispensable for most processes in nature but it is also a clean, abundant, sustainable, and—most importantly—universally available resource. Although the further spread of photovoltaic systems, which make use of this source of energy, is expected in the future all around the world, no comprehensive investigation has been conducted into the current situation of the small-scale photovoltaic power plants in Hungary, where this type of photovoltaic system is the most popular. By means of a case study, whose novelty lies in its focus on small-scale power plants and their complex examination, including economic and geographic indicators, this paper analyzes their status in Hungary. The study endeavors to establish the reasons for the popularity of this type of power plant and to identify some typical geographical locations with well-illustrated photovoltaic density. Residential, as well as business prosumers, were examined with the aim of learning more about the density of the small-scale photovoltaic systems and their geographical locations. Another goal was to calculate the average size of small-scale photovoltaic power plants and to gain more understanding of their economic aspects. The outcomes of this research include maps displaying the density of the small-scale photovoltaic power plants in Hungary and the results of the economic calculations for such investments.
Highlights
The Southern Great Plain region, including the counties Bács–Kiskun, Békés, and Csongrád, was not examined in this publication because no useful data were available from the regional Distribution System Operator (DSO)
The HMKE data for the paper were provided by the local DSOs of Hungary concerning business and residential customers
With the help of economic indicators, this study investigated one of the PV techno-economic and
Summary
Changes in the Spreading of Photovoltaic Technology. With an increasing number of countries gaining insight into the negative impacts of climate change, the mitigation of the detrimental developments has become a global goal. One of the most crucial objectives for mankind today is to limit the increase in global temperatures to less than 2 ◦ C measured against preindustrial ones. We must aim for a rise of 1.5 ◦ C, at most [1]. Among a number of various solutions for the transformation of energy systems aiming to reach the above goals and to lessen the greenhouse effect, the utilization of variable renewable energy (VRE). Thanks to rapidly developing technology, more and more sustainable options become available, including solar energy, which has been gaining much significance recently
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