PT PLN Indonesia Power and PT PLN Nusantara Power, two subsidiaries of PT Pembangkit Listrik Negara (PLN) (Persero), will add two floating solar power plant (PLTS) projects in Java, while another PLTS is almost finished.
The two PLTS are part of the PLN project located in Wonogiri, Central Java and Malang, East Java, with a total capacity of 200-megawatt peak (MWp). The two power plants is targeted to start operating in 2025.
Evy Haryadi, Director of Transmission and System Planning at PLN, said that the company is currently opening collaboration offers for private parties who want to invest in the development of floating PLTS in both locations.
"We are in the process of preparing for the tender," said Haryadi, on July 6, 2023.
Currently the two subsidiaries are preparing the development process while waiting for private parties who wish to collaborate with PLN. Later, the two PLTS projects will be planned to enter the Java-Bali electricity system. So far, the total PLTS capacity in Indonesia sits at 28.62 MW.
Cirata PLTS to be completed in Q4 2023
Meanwhile, another PLTS project in Cirata, West Java by PLN which was developed by PT Pembangkitan Jawa-Bali Masdar Solar Energi (PMSE) worth US$ 129 million (IDR 1.9 trillion) will begin operation in Q4 of 2023.
The power plant will be operated with the additional procurement of substation and transmission facilities that transmit electric power in the form of installing solar photovoltaic (PV) cells from PLTS.
The Cirata project is a PLTS project with the largest floating electric field in Indonesia with 145 MWp and an electricity price of US$ 0.058 per kilowatt hour (kWh).
"The Cirata floating PLTS is a national strategic project that will be the largest in Indonesia," said Gregorius Adi Trianto, Deputy Head of the Corporate Communications Division of PLN, on June 23, 2023.
With the use of floating land reaching 250 hectares (Ha) or 3% of the surface area of the reservoir, it is predicted to produce green energy up to 245 million kWh per year and reduce carbon dioxide emissions up to 214,000 tons per year.
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