Xalalá Dam
The 928th tallest dam in the world
The Xalalá Hydroelectric Dam is a proposed dam that will span the Chixoy River in the municipality of Ixcán in Guatemala. The US$ 400 million dam's hydroelectric power station will have an installed capacity of 181 MWe, generating an estimated 886 GWh of electricity per year.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).