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The firm has outlined plans to resume work on the plant's dam following the onset of Brazil's dry season in May. The 172km2 reservoir is expected to be ready by November.
"Priority is being given to building the concrete structures and the generation circuit due to the current rain which has hampered work on the embankment," Copel said.
The Colíder plant, located on the Teles Pires river in Brazil's western state of Mato Grosso, is among a series of generation and transmission projects currently under development by Copel.
The Curitiba-based firm is also building seven wind farms totaling 187MW in the northeastern state of Rio Grande Norte and is upgrading its Cerquilho III substation in São Paulo state.
Copel's generation park includes 18 power plants, 17 of which are hydroelectric, 31 substations and almost 2,000km of transmission lines.