Historical hydroelectric generation from 6 dams in Puerto Rico averaged 124.9 million kWh per year from 2001-2012, with the Dos Bocas/Caonillas dam generating the most at 73 million kWh in that year. Preliminary projections estimate these dams could potentially generate 264.2 million kWh per year, a 110% increase over the historical 10-year average, with upgrades to existing infrastructure and turbines at several locations.
1. Historical Hydroelectric Generation
and Preliminary Potential Generation
Patillas Dam Spillway
Hydroelectric
System
Historical Energy
Production
Historical Energy
Production
Energy Production
Projections
(M kWh per year)10 YR Average
(M kWh per year)
FY 2011-2012
(M kWh per year)
Toro Negro 13.9 10.7 28
Garzas 9.7 8.7 16.6
Dos Bocas /
Caonillas
63.4 73 75
Río Blanco 2.1 0 29.2
Yauco 42.1 32.5 76
Patillas 0 0 1.6
Carite 0 0 9.7
Comerío 0 0 22.6
Isabela 0 0 5.5
Total 131.2 124.9 264.2