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Wayang Windu Geothermal Plant, Indonesia

Announcement of contract

1997 (Unit 1)

Start of operation

2000 (Unit 1), 2009 (Unit 2) and 2013 (Unit 3)


110MW (Unit 1)<br />117MW (Unit 2)<br/>127MW (Unit 3)

Plant type



Wayang Windu geothermal field near Pangalengan in West Java, Indonesia

Estimated investment



More than 1,500 workers at production peak

Generating Capacity

227MW (April 2011)

Plant owner

Star Energy through its 100&#37; owned subsidiary Magma Nusantara Limited (MNL)


Fuji Electric


MNL and Pertamina Geothermal Energy (PGE)

Energy sales contract

Energy Sales Contract with Pertamina and PLN to supply up to 400MW to PLN for 30 years

Engineering review, design and supervision consulting

Maunsell (Unit 2)

Grid owner

Perusahaan Listrik Negara (PLN)

Engineering and design services

Aecom (Units 1 and 2)

Geothermal equipment

Turbine generator unit and auxiliary plant including condenser, cooling tower, non-condensable gas extraction facilities and H2S removal system

Steam technique

Flash steam at above 300&#176;C


A steam above-ground pipeline system (SAGS)



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