Lighting & Energy, Smart CityPhotovoltaic Installations in CataloniaGRUPOETRA has been awarded several emblematic photovoltaic installations in Catalonia. Read more December 9, 2020/by ETRA https://www.grupoetra.com/wp-content/uploads/iMAGEN-Noticia-Barna-02.jpg 425 425 ETRA https://grupoetra.com/wp-content/uploads/logo_etra.png ETRA2020-12-09 09:43:402020-12-09 09:43:40Photovoltaic Installations in Catalonia
