Dominican Republican ETED energises 70 MVA transformer at Herrera Nueva substation October 8, 2013 | Latin America News The Dominican Republic's electricity utility Empresa de Transmisión Eléctrica Dominicana (ETED) has energised a 70 MVA transformer at the 138/69 kV Herrera Nueva substation in Herrera province. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password