Installation of 250 MVA transformers at 330/110/10 kV substation June 22, 2018 | Europe Tenders Competitive bids are invited to enter into a 31-months framework agreement for the installation of 250 MVA transformers at the 330/110/10 kV Siauliai substation. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password