The 111 MW Chacayes hydroelectric project is the first of six planned developments on the Cachapoal River to be undertaken by Pacific Hydro Chile. the project includes diversion weirs, a daily regulation pond, a desander, canals, tunnels and a surface powerhouse. the project supplies the electricity to Chilectra.
The project was built under an EPC contract with Constructora Astaldi Fe Grande Cachapoal Ltda, a consortium made up of Astaldi SPa from Italy and Fe Grande, a Chilean construction company. Hatch was responsible for reviewing the EPC contractor’s detailed design documentation and drawings for civil works, mechanical and electrical systems and equipment supply.