PT. Pertamina Geothermal Energy

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Home Company Profile Brief History

Brief History

Pertamina Geothermal Energy (PGE), a subsidiary of PT Pertamina (Persero), was established in 2006 as mandated by the government to develop 15 Geothermal Business Working Areas in Indonesia. 90% of the share of this pollution-free energy provider company belongs to PT Pertamina (Persero) and 10% belongs to PT Pertamina Dana Ventura.

A new era for geothermal energy was started with the inauguration of the Kamojang Geothermal Field on January 29, 1983 and was followed by the operation of Unit-1 Geothermal Power Plant (30MW) on February 7, 1983, and 2 years later, 2 units were in operation with a capacity of 55 MW, respectively. On Sumatra Island, Monoblock (2MW) in Sibayak-Brastagi was in operation for the first time as the first Power Plant and the first Geothermal Power Plant with a capacity of 20 MW was in operation in Lahendong region in August 2001.

In the course of time, the Government through Presidential Decree No. 76/2000 revoked the previous Presidential Decree and put into effect Law No. 27/2003 regarding Geothermal Energy, wherein PT Pertamina no longer has monopolistic rights to geothermal energy business, but has the same rights as other geothermal business actors in Indonesia.

In implementing the aforementioned law, Pertamina has returned 16 Geothermal Business Working Areas (WKPs) to the Government out of 31 WKPs granted to manage.

The Government put into effect Oil and Gas Law No. 22/2001 regarding the Management of Oil and Gas Industry in Indonesia on November 23, 2001. The Law brings a very significant change to oil and gas sector, including Pertamina. In the aftermath of the coming into effect of such Law, Pertamina has the same status as other oil and gas business actors. The form of PERTAMINA changed to PT Pertamina (Persero) on September 17, 2003 and based on Government Regulation (PP) No. 31/2003, Pertamina was mandated to shift geothermal business that had been managed all this time by PT Pertamina to its Subsidiary by no later than two years following the establishment of the company. For that purpose, PT Pertamina established PT Pertamina Geothermal Energy (PT PGE) as a subsidiary to manage business activity in the field of geothermal energy.

PT Pertamina has management rights to 15 geothermal Business Working Areas (WKPs) with a total potential of 8,480 MW equivalent to 4,392 MMBOE. Out of the 15 WKPs, 10 WKPs are managed by PT PGE alone, namely (1) Kamojang: 200 MW, (2) Lahendong: 60 MW, (3) Sibayak: 12 MW, (4) Ulubelu, (5) Lumutbalai, (6) Hululais, (7) Kotamubagu, (8) Sungai Penuh and (9) Iyang Argopuro and (10) Karahabodas. Three areas of them have been in production with a total capacity of 272 MW equivalent to 12,900 BOEPD. The rest are those managed jointly with partners and have production capacity of 922 MW.

Pertamina Geothermal in its business has always focused on activities to increase production in the three operation areas (Kamojang, Lahendong and Sibayak). Total products generated from the 3 existing operation areas are 9.5 million tons of steam with a generation of 1.3 million MWh. In addition, the contribution of KOB is 30.37 million tons of steam and 4.1 million MWh. Total annual geothermal steam products are 39.89 million tons with a power generation  of 5.36 million MWh.

PT PGE constitutes a company orientated to an Integrated Operation Activity, wherein all operation activities are conducted by Total Project where


all projects ranging from upstream up to downstream activities are conducted, such as PLTP Kamojang Unit 4 which constitutes the success of our hard work.

Kamojang Success Story:


·         1926 – 1928: Drilling of 5 Wells by the Dutch Government.

·         1971 – 1979: Drilling of 14 Exploration Wells (Cooperation with the Government of New Zealand).

·         1978: Inauguration of Monoblock 0.25 MW by the then Minister of Mines and Energy (Prof. DR. Subroto).

·         1979 – 2003: Drilling of Development and Production Wells.

·         1983: Inauguration of Geothermal Power Plant (PLTP) Unit I (30 MW) by the then President of the Republic of Indonesia, Soeharto.

·         1988: Inauguration of PLTP Units II & III (2 x 55 MW).

·         1997: Postponement of Kamojang Development Project (Presidential Decree No. 39/1997).

·         2003 - 2007: Development of PLTP Unit IV (60 MWe).

Project’s Value Added

1.      Efficiency of Project Development Cost in a total amount of 9%.

2.      Larger installed electric capacity.

o        Installed Capacity of 63 MW (net > 60 MW).

3.      Efficiency of Steam Consumption (Specific Steam Consumption-SSC).

o        Realization of 6.703 tons/hour/MW of the Planned 7.47 tons/hour/MW.

4.      Domination of National Manpower.

o        Only 11 Expatriates out of 2,430 workers (The rest are National Manpower).

5.      Optimization of layout for the development of the next PLTP Units.

6.      Success to recommend the Use of Pertamina Lubricants as official lubricants for Turbines of PLTP Kamojang Unit-4.

o        The quality of Turbo-Lube 32 is recognized by Fuji Electric System, Japan.

7.      Zero accident working hours for the duration of projects of 2,496,059 man hours.




Fix Phone
: 500 000 (from all cities in Indonesia)
: +62 21 7917 3000
: +62 21 7972 177
: +62 21 7111 3000
: Menara Cakrawala lt 11, Jl. MH. Thamrin No.9, Jakarta 10340 
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