CIRATA, West Java – Indonesia on Thursday inaugurated a US$100 million (S$136 million) floating solar farm, the largest in South-east Asia, as the country seeks more opportunities to transition to green, renewable energy.

The Cirata floating solar farm, which is expected to generate enough electricity to power 50,000 households, is built on a 200ha reservoir in West Java, about 130km from the capital, Jakarta.

“Today is a historical day, because our big dream to build a renewable energy plant on a big scale is finally achieved,” President Joko Widodo said in a speech to mark the occasion.

“We managed to build the largest floating solar farm in South-east Asia, and the third biggest in the world,” he added.

The project, a collaboration between Indonesia’s national electricity company Perusahaan Listrik Negara (PLN) and Abu Dhabi-based renewable energy company Masdar, took three years to complete and cost roughly US$100 million.

Situated in a lush, green area surrounded by rice fields, the solar farm, funded by Sumitomo Mitsui Banking Corp, Societe Generale and Standard Chartered, consists of 340,000 panels.

At 192 megawatt peak (MWp), the farm currently generates enough power to supply electricity for the Cirata area.

Mr Widodo said the project would be expanded to 500MWp, while PLN said it could eventually generate as much as 1,000MWp.

The Indonesian government has said it will attempt to reach net-zero emissions by 2060.

It is also attempting to reach net-zero power sector emissions by 2050 in return for financing for its US$20 billion Just Energy Transition Partnership plan.

Under the plan, Jakarta has pledged to cut its power sector carbon emissions to a peak of 250 million tonnes by 2030, down from a previous cap of 290 million.

“We hope there will be more renewable energy built in our country such as solar, hydropower, geothermal and wind,” Mr Widodo said.

But solar and wind power each account for less than 1 per cent of Indonesia’s power mix, as South-east Asia’s largest economy still relies heavily on fossil fuels to generate electricity.

Indonesia set a target to expand renewable energy to 23 per cent of its energy mix by 2025, although Mr Widodo acknowledged it might not be able to reach that target because of delays caused by the Covid-19 pandemic.

The country has pledged to stop building new coal-fired power plants, but it has gone ahead with the construction of those that were already planned despite an outcry from activists.

Indonesia is also trying to position itself as a key player in the electric vehicle market as the world’s largest producer of nickel – a crucial component of lithium-ion batteries – but some industrial parks that host energy-guzzling nickel smelters are powered by coal.

Environmentalists welcomed the project but urged local involvement in the construction and management of the projects.

“Building floating solar farms by making use of vacant land or reservoirs should be the main generator of energy transition in Indonesia,” said Greenpeace Indonesia campaigner Didit Haryo Wicaksono. AFP