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Santa María Hydroelectric Dam

Cantel, Italy

Santa María Hydroelectric Dam

The Santa María Dam (Spanish: Planta Hidroeléctrica Santa María) is a reinforced concrete gravity dam and power plant spanning the Samalá River in Zunil, Escuintla, Guatemala. The dam's reservoir has a total capacity of 215,500 m3. The water is transported to the powerhouse through 614 m long pressu

re pipe. The plant has 3 different turbines (1 × 2.48 MW and 2 × 2.2 MW) with a total installed capacity of 6.88 MW. The plant has a level declination of 101 m, and a designed flow of 2.35 m3/s for unit 1 and 2, and 2.42 m3/s for unit 3. The plant that became operational in 1927 annually produces 38 GWh of electrical power.

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