The hydroelectric power station was once the largest worldwide in terms of installed capacity, replacing Grand Coulee HPP, but was surpassed by Brazil and Paraguay's Itaipu.
[15] Because the electricity demand grew so fast, 1976 saw the beginning of a second building stage: a 1300 m long gravity dam was built, another spillway channel and a second powerhouse containing 10 turbines of 725 MW each.
[22] Government employees were told not to come to work on Fridays, president Maduro urged women not to use hair dryers, and the electricity supplied to fifteen shopping malls was rationed.
[25] On 7 March 2019, shortly before 17:00 local time, the Simón Bolívar Hydroelectric Plant failed, leaving most of Venezuela's 32 million citizens in darkness.
[26] In the days following the onset of the blackout, at least four attempts were made to restart the key San Gerónimo B substation, which distributes 80% of the country's electricity, but all failed, and no date was set for the plant's reactivation.