Reconstruction of 35-150 kV substations March 9, 2018 | Europe Tenders International competitive bids are invited for the reconstruction of 150/35/10 kV Vinogradovo substation, 35/10 kV Kostogrizovo substation and 35/10 kV Great Copan substation. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password