The Tiwi Geothermal Power Plant is a 234-MW geothermal power station in Tiwi,

Albay Albay (IPA: ), officially the Province of Albay (; ; Baybayin, ᜎᜎᜏᜒᜄᜈ᜔ ᜈᜅ᜔ ᜀᜎ᜔ᜊᜌ᜔), is a Provinces of the Philippines, province in the Bicol Region of the Philippines, mostly on the southeastern part of the isla ...

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

History

The Commission on Volcanology conducted an exploration of the Tiwi geothermal field from 1964 to 1968. The Philippine government in early 1971 invited the

Union Oil Company of California Union Oil Company of California, and its holding company Unocal Corporation, together known as Unocal was a major petroleum explorer and marketer in the late 19th century, through the 20th century, and into the early 21st century. It was headqu ...

(Unocal) to form the Philippine Geothermal, Inc. (PGI) which is intended as a joint venture for the exploration and development of geothermal energy. A service contract was made with the state-owned

National Power Corporation The National Power Corporation (, also known as NAPOCOR, NPC or National Power) is a Philippine government-owned and controlled corporation that is mandated to provide electricity to all rural areas of the Philippines by 2025 (known as "mission ...

(NPC) on September 10, 1971. PGI contributed technical knowledge as well as a portion of the Tiwi field's exploration and development. NPC would construct and run the geothermal power stations. The first two units were put into service in 1979. Units 3 through 6 would be operational from 1980 to 1982. The geothermal field would then be acquired by

Aboitiz Power Aboitiz Power Corporation also known as AboitizPower (AP), a subsidiary of Aboitiz Equity Ventures (AEV), is a holding company engaged in power distribution, generation and retail electricity services. Background Aboitiz Power Corporation wa ...

in 2009. The company would own and operate the plant under its subsidiary AP Renewables. In January 2023, a new binary cycle power plant within the Tiwi Geothermal Power Plant broke ground. It will add 17-MW capacity to the existing geothermal complex.

Facilities

The Tiwi Geothermal Field is divided into four geographical areas: Naglagbong, Kapipihan, Matalibong, and Bariis. At one point it had six units and a 330-MW capacity. As of December 2021, the Tiwi geothermal facility has four units and a capacity of 234-MW.

References

{{reflist Geothermal power stations in the Philippines Buildings and structures in Albay Energy infrastructure completed in 1979