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Operational Profile


Electric System

Generating Capacity: 6,023MW 
Peak Demand (in 9/05): 3,685MW


Transmission and Distribution

Transmission Lines: 2,478 miles 
Distributions Lines: 31,485 miles 
38 kV substations: 279 
Transmission Centers: 175

Source: PREPA, as of August 14,2013


Fuel Diversification-Production (2013)

AEE Gráfica de diversificación de producción

San Juan Generation Plant

AEE Sann Juan
  • 400 Capacity (MW)
  • San Juan Site
  • 1965-1969 Construction Year
  • OIL #6 Fuel

Costa Sur Generation Plant

AEE Costa del Sur
  • 900 Capacity (MW)
  • Guayanilla Site
  • 1962-1973 Construction Year
  • NG / OIL #6 Combination Fuel

Palo Seco Generation Plant

  • 602 Capacity (MW)
  • Cataño Site
  • 1960-1970 Construction Year
  • OIL #6 Fuel

Aguirre Generation Plant

  • 900 Capacity (MW)
  • Salinas Site
  • 1975 Construction Year
  • OIL #6 Fuel

Aguirre Combined Cycle Generation Plant

  • 592 Capacity (MW)
  • Salinas Site
  • 1977 Construction Year
  • OIL #2 Fuel

Cambalache Generation Plant

  • 247 Capacity (MW)
  • Arecibo Site
  • 1997 Construction Year
  • OIL #2 Fuel

San Juan Combine Generation Plant

  • 440 Capacity (MW)
  • Arecibo Site
  • 2008-2009 Construction Year
  • OIL #2 Fuel

Mayaguez Generation Plant

  • 220 Capacity (MW)
  • Mayaguez Site
  • 2008 Construction Year
  • OIL #2 Fuel


Private Cogenerators


EcoElectrica Generation Plant

  • 507 Capacity (MW)
  • Peñuelas Site
  • 2000 Construction Year
  • Natural Gas Fuel

A.E.S. Cogenerator Generation Plant

  • 454 Capacity (MW)
  • Guayama Site
  • 2002 Construction Year
  • Coal Fuel