Atiaia Energia Chile SA planned to develop 90 MW Rucalhue Hydropower Station Project, in Rucalhue, Biobio, Chile. PowerChina Chengdu Engineering was the design consultant. China International Water & Electric Corp was the shareholder. Sinohydro Bureau 14 Co Ltd was the EPC contractor. The Rucalhue hydropower station had an installed capacity of 90 MW. The power station would harness the waters of the Bio Bio River. The main buildings included dam block section, spillway gate and workshop dam section, etc. The maximum dam height was 30 meters. Its output would be supplied to the Central Interconnected System (SIC) via a 220 KV, 1.5 KM power line. The plant was expected to start construction in September 2020, with a construction period of 42 months. The project responded to Belt and Road Initiative and would improve local electricity. It marked the start of China International Water & Electric Corp's market exploration in fields of clean energy investment and construction in Chile.