Economic conditions for the development of energy efficient civil engineering using RES in the policy of cohesion of the European Union (2014-2020). Case study: The town of Zielona Gora

Although our current research and estimations based on it are limited to a medium-sized town in the west of Poland, the observations included in this article may be important for other regions that are interested in reducing energy consumption in buildings, residential areas and towns. Taking into account the geographical context, it is especially important for these regions of Europe that are obtaining financial aid from the European Union in the perspective for the years 2014-2020.