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    Our history

    people - 2 workers looking at laptop in front of windmills at sunset Our history

    A history of accelerating the future of energy, together

    From its founding and to today, AES has led lasting positive change in the energy sector based on its stakeholders’ most critical needs.


    • 1991: AES arrives in Puerto Rico at the invitation of the government to deliver safe, reliable and affordable energy
    • 1993: AES Puerto Rico begins construction in Guayama 
    thermal power plant


    • 2002: 500 MW thermal plant inaugurated and started generating energy to the Puerto Rico Energy and Power Authority (PREPA) as part of a 25-year contract
    solar panels


    • 2012: Leading the transition to renewables, AES Puerto Rico built the first grid scale solar facility on the island – AES Ilumina (24 MW). At the time it was the largest in the Caribbean. 
    • 2018: Following Hurricane Maria, AES donated 12 MW battery systems to Puerto Rico
    • 2020: Installed a 20 MW generator that will allow us to be more resilient and prepared all kinds of emergencies.
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