The Solymár substation of the E.ON Hungária Group, which is responsible for the electricity supply of the settlements of Máriaremete, Remeteszőlős, Solymár, Pesthidegkút, Pilisszentiván, Pilisvörösvár, Piliscsaba, and Nagykovácsi, has been completely renewed, with the company keeping the protection of nature in mind during the project.