A second round is also due for governors in the wind-power regions of Rio Grande do Sul, Ceará and Rio Grande do Norte, while in Pernambuco and Bahia states, the party in power was re-elected.
In Sunday's general election nobody obtained over 50% of the votes, the level needed to win outright.
Rousseff of the Workers' Party (PT), who oversaw the biggest growth in wind power potential since 2009, obtained 42% of valid votes and now prepares face Neves of the Brazilian Social Democracy Party (PSDB), who obtained a surprising 34% of votes.
Environmental
