The Aguacapa Dam (Spanish: Planta Hidroeléctrica Aguacapa ) is a reinforced concrete gravity dam and power plant spanning the Aguacapa River in Escuintla, Guatemala.
The dam's reservoir has a total capacity of 300,000 m<sup>3</sup>. The water is transported to the powerhouse through a 12.04 km long tunnel and a 3.65 km long pressure tube. The plant has Pelton turbines, with a total installed capacity of 90 MW. The plant has a net level declination of 490.6 m, and a designed flow of 7.33 m<sup>3</sup>/s per unit.
The plant's total output between 1981 and 2006 was 6600.96 GWh, which amounts to an average annual electricity generation of 264 GWh.