Mott MacDonald selected to monitor construction of Peru’s 406-MW Chaglla hydroelectric project

The Bank of New York Mellon has appointed Mott MacDonald as an independent engineer to monitor construction of the 406-MW Chaglla hydroelectric project in Peru.

The US$1.2 billion plant is being developed on the Huallaga River in the Chaglla and Chinchao districts by Empresa de Generacion Huallaga S.A. The company is a subsidiary of Brazil’s Oderbrecht Group.

The Chaglla complex includes a 400 MW main power and a 6 MW auxiliary plant, in addition to a 202-meter-long concrete-faced rockfill dam that will form a 466 hectare reservoir. A surface powerhouse and diversion, spillway and headrace tunnels are also included.

“This nationally significant project will impact Peru’s economic development considerably by creating thousands of jobs and increasing its electric generation capacity to meet the needs of the country’s rapidly growing economy,” Mott MacDonald project director Clare Rhodes-James said. “Once completed, this project will be Peru’s third-largest hydropower facility, providing approximately 13% of the country’s installed hydropower.” reported in October that the Peruvian Ministry of Energy and Mines had granted rights of way essential for the project’s construction.

The developer received $150 million in funding from the Inter-American Development Bank in December 2011 after awarding Alstom a $108 million contract to supply the plant’s complete electro-mechanical package earlier that year.

Chaglla is expected to be completed by January 2016.

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