International Power, which is 70%-owned by the French utility, will develop the Rantau Dedap geothermal resource in a joint venture with Indonesia’s Supreme Energy and Japan’s Marubeni.

The deal follows Supreme Energy's appointment as concession-holder for the site in the country’s South Sumatra province.

Supreme Energy plans to negotiate a power purchase agreement with Indonesia’s state utility PLN for output from the geothermal resource before starting exploration and development work on the plant.

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