ABB successfully commissioned the HVDC converter stations to the Rio Madeira HVDC link in Brazil and delivered the project to Abengoa. The approximately 2,400 km, 3,150-MW power connection is the longest transmission link in the world, and will bring electricity from two hydropower plants in the northwest of the country to São Paulo, Brazil's main economic center. Apart from the two 3,150-MW HVDC converter stations, ABB has also delivered an 800-MW HVDC back-to-back station that transmits power to the surrounding AC network in the northwest of Brazil. These are the fourth and fifth transmission links using HVDC technology delivered by ABB in Brazil, succeeding the two Itaipu links, delivered in 1984 and 1987, and the two interconnections between Brazil and Argentina, delivered in 1999 and 2002.