The Largest Hydroelectric Power Plant in Indonesia with a Pumped Storage System

pla1 (Photo by: PLN)

The Upper Cisokan Pumped Storage (UCPS) Hydroelectric Power Plant (PLTA) development project is claimed to be the largest hydropower plant and the first power plant using Pumped Storage technology in Indonesia. The claim is seen from the capacity used by the Upper Cisokan hydropower plant to accommodate electricity. The giant battery in this plant can store 1040 mega watts of electricity.

"This Upper Cisokan hydropower plant is one of the giant batteries with a capacity of 1040 mega watts," said Executive Vice President of Construction for Java, Madura, Bali, Maluku, Papua and Nusa Tenggara PT PLN (Persero), Ratnasari Sjamsuddin in West Bandung, Thursday (22/9/2022).

With such a large capacity, the Upper Cisokan hydropower plant is said to be the largest power plant in Indonesia, surpassing the Cirata hydropower plant with a capacity of 1,008 mega watts.

"And we have a giant battery that is ready to maintain the reliability of the electrical system in Jamali (Java-Madura-Bali). So not only in West Java but throughout Java," he said.

In addition to its large electrical capacity, the Upper Cisokan hydropower plant is also claimed to have the first generating system using Pumped Storage technology in Indonesia.

"So with this, it will be more save, more reliable with the Upper Cisokan hydropower plant, because this hydropower plant is a hydropower plant that functions as a storage pump, we call it rich in giant batteries," said Ratna.

Ratna said the government was committed to reducing greenhouse gas emissions by 29 percent against the projected business as usual scenario in 2030 and achieving Net Zero Emission (NZE) in 2060.

"To achieve the Indonesian government's NZE target, PLN is committed to achieving the carbon neutral target by 2060, achieving a 23 percent NRE energy mix by 2025," Ratna said. By only utilizing river water that is accommodated in two lakes, the Upper Cisokan hydropower plant can play a role in realizing Indonesia to achieve NZE by 2060. This is evidenced by the electricity production process that does not use fossil fuels.

"This Upper Cisokan hydropower plant is the first power plant built in Indonesia, we hope it will support the energy process to achieve net zero emissions (NZE) in 2060," said Ratna.

"Not adding fossil fuel power plants and transitioning coal plants to NRE gradually," added Ratna.

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