OUR HISTORY

  The history of electric power in Puerto Rico begins at the end of the 19th century. PREPA has a history museum that traces our progress through the years. We will now take you through our history...
   
   
  A Sketch Of Our History
 
In 1893 the first private lighting system was installed by José Ramón Figueroa, of Villalba. Since then, up until the inauguration of the Carite #1 Hydroelectric Plant in 1915, all electric power in Puerto Rico was produced and distributed by private companies established in the Island's most important urban centers.

That same year, public lighting was inaugurated in our capital city with the installation of eight lamp posts and 600 incandescent lamps to celebrate a royal visit to the Island. The Electric Light Anonymous Society continued to offer this service in San Juan for several years.

The Mayagüez municipality was second, installing 116 arc lamps for public lighting purposes.

Three small 120 volts generators were the first to be linked to a hydraulic turbine to produce electricity in Puerto Rico. These were installed in 1987 by Casellas and Co. in the town of Utuado, to provide illumination services to the public plaza and some residences in the town center.


In 1908 the South Coast Irrigation Service was created by law. It was called upon to develop the systems to provide this region with the water needed to maximize its farming potential.

We owe this small agency the development of government electric power service, which emerged as a by-product of the irrigation system.

The Carite #1 Hydroelectric Plant was constructed by the South Coast Irrigation Service to make use of the water head from the Carite Lake to the irrigation channels. This was the first hydorelectric plant owned and operated by the government. In this way the production and distribution of electric power with the purpose of promoting social wealth instead of profit began in Puerto Rico.

The Carite Lake was the first of a series of artificial lakes developed as part of an irrigation system for the southern part of the island.

The success on the operation of the Carite Hydro System motivated the construction of the Carite #2 Hydroelectric Plant in 1922.

The development of government owned electric power systems required the creation of a new government agency. This new agency would be in charge of managing the irrigation systems and of operating and expanding the electric power systems. In 1926 an agency named Utilización de las Fuentes Fluviales (Water Resources Use) was created.

In 1929 Utilización placed into service the Toro Negro #1 Hydroelectric Plant with three 1,440 kilowatt generators. In 1937 a 4,320KW generator was added. In this same year the Toro Negro #2 Hydroelectric Plant was placed in service with 1,920KW.

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 San Juan Plant
 Palo Seco Plant
 Aguirre Plant
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 Arecibo Plant

 

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