Wrtsil Oyj : Wrtsil to add 128 MW of flexible baseload power to enable Indonesian mine expansion

The technology group Wärtsilä has received contracts for a 128 MW power plant in Indonesia. The plant has been ordered by PT Freeport Indonesia, one of the world's leading mining companies. The extended engineered equipment delivery order comprises fourteen Wärtsilä 34DF dual-fuel generating sets. The order for eight generating sets was placed in June 2020, and a further six generating sets were ordered in September.A consortium consisting of Wärtsilä and PT PP will install, construct and commission the power plant.

The plant will be located at Amamapare, PT Freeport Indonesia's port site in Papua, Indonesia. From here the electricity will be fed to the Grasberg mine via a 100 kilometres long transmission line. The mine is located in the remote highlands of the Sudirman Mountain Range in the province of Papua, western half of the island of New Guinea. Neither the mine nor the port site are connected to the 50 Hz grid. The mine operates on a 60 Hz power supply. The new plant is needed to provide the necessary power as the customer extends operations from open pit to underground mining of one of the world's largest copper and gold deposits.

'We have completed open pit mining at the Grasberg minerals district, and are now developing large-scale, high-grade underground mines. For this it is critical that we have a reliable and efficient energy supply, and the Wärtsilä generating sets will deliver the power we need,' commented George Baninni, Executive Vice President, P.T Freeport I....

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