ENERSA likely to complete 500 kV Gran Paraná substation in Argentina by June 2015 July 29, 2014 | Latin America News The 500 kV Gran Paraná substation under construction by Argentina-based Energia de Entre Rios S.A. (ENERSA) in Entre Ríos province, is likely to be completed by June 2015. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password