Cirkovce−Heviz/Zerjavinec link, Slovenia−Hungary/Croatia interconnection July 5, 2022 | Europe Project Update The 2x400 kV Hévíz (Hungary)–Cirkovce (Slovenia)–Pince (Slovenia) interconnection between the two countries commenced commercial operations on June 30, 2022. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password