Reference number of the aid programme: SA.41471(2015/X) Purpose of public aid: Article 25 of EC Regulation No 651/2014 of 17 June 2014 declaring certain types of aid compatible with the internal market in the application of Articles 107 and 108 of the Treaty (OJ L. I'm sorry. EU L 187/1 of 26.06.2014). The purpose of the R & D phase research is to prepare a technology to implement a shaft set designed for energy-positive construction, consisting of three components: photovoltaic module, glass panes with variable transparency (3 stages of industrial research) and a combined glass equipped with a heating layer (the structure of these elements is the subject of development in the fourth stage).