PT Wijaya Karya (Persero) Tbk, PT Prastiwahyu Trimitra Engineering, and PT Navigat Energy have formed a consortium since May 4, 2011 which will cooperate with the state electricity company PT PLN (Persero) in the development
of a business lease gas-fired power plants 20 megawatts in Rengat , Tanah Merah, Pasir Turtle, Indragiri Hilir, Riau.
PT. Wijaya Karya in a press statement, Monday, 12 September 211 announces that it
has signed a contract of cooperation between PT PLN (Persero) Wilayah Riau and Riau Islands by this consortium.