Rejuvenation of 154 kV substations March 9, 2018 | Europe Tenders Competitive bids are invited for the rejuvenation of 154 kV Isparta, Eğirdir, Keçiborlu, Şarkikaraağaç, Çayseka and Sandıklı substations. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password