Ullum
Hydroelectric development on river San Juan in the province of San Juan.
It has an installed capacity of 45 MW and was acquired by AES in March 1996.
Technical Data
Type: Derivation dam, mobile type
Spillway type: surface, with sector gates
Maximum discharge capacity: 2,500 m³/sec.
Maximum height: 13 m
Crest length: 135 m
Dam volume: 36,000 m³.