Indonesia has an estimated technical hydropower potential of 75,000 MW, with undeveloped resources concentrated on the Sumatra, Java, and Sulawesi islands. Papua Island, Kalimantan Island, Sumatera Island, and Sulawesi Island have the most hydropower potential, while Java-Bali and Nusa Tenggara-Maluku have less. The previous year, Indonesia’s public power company, PLN, announced plans to build the country’s largest hydroelectric facility in North Kalimantan.
In West Java, multiple reservoirs were constructed to prevent floods, generate electricity, provide water for agricultural irrigation, and support fishing activities. The region boasts an extensive irrigation network spanning 900,000 hectares across 103 different locations.
The Cirata Reservoir, situated across three regencies, including Purwakarta, Cianjur, and West Bandung, serves as a power generation facility and a habitat for fish reared in floating net cages.
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