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U.S. Department of Energy
Office of Scientific and Technical Information

An Overview of Geothermal Development in Tiwi and Mak-Ban, Philippines

Conference ·
OSTI ID:889023
Commercial-scale geothermal development in the Philippines began i n 1972 with the completion of the discovery well in the southeastern portion of Luzon Island. A second geothermal anomaly was discovered i n 1975 on the southern flank of Mt . Makiling, forty miles south of Manila. Both fields are being developed and operated by Philippine Geothermal, Inc. (PGI) , a wholly-owned subsidiary of Union Oil Company of California. Currently the Philippines ranks second worldwide in installed geothermal-powered electrical generation capacity with 443 MW and PGI has developed 440 PW of the 443 MW country total. Additional generation capacity is planned or under construction in both fields. Over 1.9 billion kilowatt-hours of electrical power have been produced to date. This represents a savings of approximately three million barrels of imported fuel oil for power generation.
Research Organization:
Philippine Geothermal, Inc., Philippines
Sponsoring Organization:
USDOE
DOE Contract Number:
AT03-80SF11459
OSTI ID:
889023
Report Number(s):
SGP-TR-50-6
Country of Publication:
United States
Language:
English

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