Sebelumnya, juga telah ditandatangani power purchasing agreement antara PT Central Pertiwi Bahari selaku pihak pembeli dengan PT Central Daya Energi, dimana perseroan memiliki 19 persen kepemilikan melalui anak perusahaan, PT Manunggal Power, selaku pemilik 2x30MW PLTU berlokasi di Lampung.
Previously, PT Central Pertiwi Bahari in its capacity as buyer and PT Central Daya Energi in its capacity as seller had also signed a contract for the development of a 2x30 MW PLTU in Lampung, TRUBE owns 19 percent shares in PT Central Daya Energi through its subsidiary PT Manuggla Power.