The Indonesian government continues its commitment to expanding new and renewable energy sources (EBT) with a focus on environmentally friendly initiatives. Among these is the innovative use of water surfaces on lakes and calm seas for installing floating solar photovoltaics (PV). The development of Floating PLTS (Solar Power Plants) is prioritized for projects with a potential capacity of more than 10 MW, ensuring financial feasibility.
“Indonesia has large, widespread, and diverse renewable energy potential to support national energy security and achieve renewable energy mix targets,” stated Minister of Energy and Mineral Resources (ESDM) Arifin Tasrif during a media meeting last Friday at the Ibnu Sutowo Building, Directorate General of Oil and Gas.
Indonesia boasts a significant EBT source across various regions, including Sumatra, Kalimantan, Sulawesi, and Papua. The country has an estimated EBT potential of nearly 4 Tera Watt (TW), with solar energy accounting for the largest share at approximately 3,294 GW. Minister Tasrif emphasized that solar energy’s vast potential is not limited to land-based installations but also includes floating PV systems.
The Ministry of Energy and Mineral Resources is collaborating with the Ministry of Public Works and Public Housing of the Republic of Indonesia (PUPR) to utilize reservoir surfaces for solar PV installations. “By utilizing floating PV on several dams built by PUPR, we can accelerate an additional 14 GW. We have prioritized which reservoirs and lakes can be utilized, including Lake Singkarak and Saguling,” said Minister Tasrif.
The projected energy potential from utilizing water surfaces in lakes and reservoirs is estimated at 14 MW, spread across 259 locations throughout Indonesia. Three key projects are part of the PLN 2021-2030 Generation Plan (RUPTL). These include Lake Singkarak (90 MW) in West Sumatra, which has entered the Power Purchase Agreement (PPA) stage, the Saguling Reservoir (60 MW) in West Java, also in the PPA stage, and Lake Lampung (100 MW) in Lampung, which is still in the planning phase.
The government’s strategic push towards floating solar PV installations reflects Indonesia’s broader renewable energy ambitions, leveraging its abundant natural resources to ensure a sustainable and secure energy future.
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