Construction works of 500 kV Yacyretá-Ayolas line begins in Paraguay May 2, 2016 | Latin America News Construction works for the 500 kV Yacyretá-Ayolas line have been initiated by Consorcio CIEGEC, set up by Compagnie Ivoirienne d'Electricité (CIE) and Somagec Guinea Ecuatorial (GEC). This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password