Indonesia is one of the highest greenhouse emitters in the world. As a response of this problem, Indonesia declared the national action plan to focus on national greenhouse gas (GHG) reduction by 26 % by 2020. To achieve this target, Government puts energy sector as one of the top priorities since it is the second strongest contributor to national GHG emissions. The main purpose of this paper is to apply the method of fugitive emissions calculation to the existing natural gas pipeline in Indonesia. Fugitive emissions are the major component of GHG emissions from natural gas systems and methane (CH 4 ), the primary component of natural gas pipeline, is a potent GHG. Tiered approaches from Interstate Natural Gas Association of America (INGAA) are implemented in this paper as the estimation guidelines. A case study of a natural gas pipeline system in Indonesia is analyzed to compare the GHG emissions level resulted from Tier 1 and Tier 2 methods. In these methods, the input data are pipeline length, the number of compressor stations, and the number of meter and pressure regulation stations. In this case, the GHG emissions level of Tier 2 is significantly different from Tier 1. The variation of pipeline length shows that for the length under 479.2 miles, Tier 1 gives lower amount of CO 2 equivalent than Tier 2. The differences of these estimation methods and results can be furtherly developed to provide relevant information and recommendation for the Companies and Government to record the emissions level from natural gas transmission pipeline according to their needs and purposes.


  • The demand for energy in Indonesia will continue to grow in the coming years and the domestic consumption for natural gas is increasing fast

  • Due to the availability of the data, Greenhouse Gas (GHG) emissions are calculated on the basis of Tier 1 and Tier 2.Tier 1 method only requires pipeline length while Tier 2 calculates the fugitive emission of transmission pipeline based on pipeline length as well as the quantity of compressor stations and meter/regulator stations

  • The methane fugitive emissions is converted using Global Warming Potential (GWP) of gas to get the number of CO2 equivalent

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The demand for energy in Indonesia will continue to grow in the coming years and the domestic consumption for natural gas is increasing fast. The government of Indonesia through The Ministry of Energy and Mineral Resources launched the National Gas Policy Roadmap 2014-2030. This book records the strong demand for gas is expected to be significantly high in 2015- 2025 because the government sets the target to optimize the consumption of natural gas in domestic market as it is environmentally friendly fuel and cheaper than other fossil fuels. This target in line with the national target of a 26 % reduction in Greenhouse Gas (GHG) emissions by 2020. Compared with other forms of transport, pipelines provide more continuous, stable, and high-capacity [1]


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