Presa Sangregado Dam

Presa Sangregado Dam (also known as Arenal Dam and Sangregado Dam) is a high-earthen hydroelectric dam on the south-east shore of Lake Arenal in the Guanacaste Province of northwest Costa Rica. The dam is and high. The installed hydroelectric capacity is 157 megawatts . The hydroelectric power plant is operated by Instituto Costarricense de Electricidad.