230/138 kV Tabacundo (Pimampiro) Transmission System, Ecuador April 5, 2021 | Latin America Project Update The USD39.2 million project entails the construction of the 225 MVA, 230/138 kV Pimampiro substation and associated 230 kV and 138 kV transmission lines. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password