World Power Plants

Ullum is a 42 MW hydro power plant in Argentina, operated by AES Argentina Generacion S.A. since its commissioning. Ranked #63 of 111 hydro plants in Argentina, Ullum's 42 MW represents 0.14% of Argentina's total hydro capacity of 30,334 MW. The largest hydro plant in Argentina is Corpus Christi Dam at 3,800 MW, making Ullum 90.5 times smaller. Nearby plants within 50 km include Salto Grande (945 MW, Hydro), Los Caracoles Dam (125.2 MW, Hydro), and CH Los Caracoles (121.4 MW, Hydro). The facility is located in the province of San Juan, approximately 150 km northeast of Mendoza.

Capacity
42 MW
Commissioning Year
2001

25 years old

Owner
AES ARGENTINA GENERACION S.A.
Location
-31.4557°, -68.7556°

Argentina, South America

Context & rankings
  • 159. largest of 368 plants in Argentina
  • #14,928 worldwide by installed capacity
  • #3,404 of 8,493 Hydroelectric plants worldwide
  • 0.06% of the installed capacity of Argentina
Age & fleet comparison

25 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

AES ARGENTINA GENERACION S.A. operates 11 plants totalling 2,761 MW

Regional density

12 plants within 100 km, 1,533 MW combined

Nearest plant: Punta Negra Dam (9.2 km)

Data provenance

Location

Coordinates:: -31.455700, -68.755600
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

ULLUM is a hydro power plant producing approximately 147 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Argentina
Continent
South America
Data Source
Global Power Plant Database

ArgentinaEnergy Profile

368
Total Plants
70.2 GW
Total Capacity
HydroGasCoalNuclear
Top Fuels

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.