The Mariposas hydroelectric power plant is a run-on-river power plant with an installed power of 6 MW, using the first section of the Maule Norte Alto channel's irrigation water. Mariposas is placed in the municipality of San Clemente, Talca province, VII Maule Region, at about 6.5 Km south of the Lircay hydroelectric power plant.
The Mariposas' design consists of an intake area with a design flow of 20m3/s, penstocks, plant building with Andritz/Vatech 6.5 MW CAT turbine with vertical shaft, an Alconza 7 MVA generator set and a 6.6/66 KV step-up substation with a 7 km overhead line.
At the moment, the Mariposas plant has started the proceedings to take part to the Clean Development Mechanism, which should provide a reduction of the emissions into the environment of 21 thousand tons of CO2 each year.
Ribbon-cutting ceremony today in Mariposas, Chile, for the second hydroelectric power plant executed in the Andean country by Sorgent.e. Present at the ceremony, together with Daniele Boscolo Meneguolo, Managing Director of Sorgent.e, Rodrigo Alvarez Z. Minister for Energy in the Republic of Chile and Vincenzo Palladino, Italian ambassador in Chile.
The plant, having an installed power of about 6,5 MW, involved an investment of 20million dollars through an operation of project financing developed by the SPV company Hidrolircay SA with local banks which financed the work at subsidized rate covered by the German KfW. The electromechanical part of the works has been carried out mainly by S.T.E. Energy, among the major Italian plant constructors at a worldwide level.
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