Safety first: The project will install horizontal and vertical extraction wells to capture the landfill gas and improve the safety of the landfill site.

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The project, which is an upgrade of the largest waste disposal site in Indonesia, involves the creation of a sanitary landfill site including gas capture, leachate treatment and the use of landfill gas to generate 80,000 MWh of electricity for the Indonesian grid. The project is registered under the Verified Carbon Standard (VCS) and the Clean Development Mechanism (CDM).

Indonesia: Bantargebang Landfill Gas

project focus

project type: Renewable energy

region: Asia

standards:

As well as avoiding methane emissions and preventing further environmental degradation from water leachates, the project also reduces the unpleasant odour of the surrounding area. This improves local air quality and the well-being of locals.

The project serves Jakarta, Indonesia’s capital city and home to 12 million people and the site is the only landfill in the city.

contribution to sustainable developmentThe project contributes to sustainable development in several key areas:

energy accessThe landfill gas is extracted using vertical and horizontal extraction wells and the site is covered with a non-permeable layer. The gas is cleaned and fed into a gas engine for the generation of electricity. The net power production provided to the national grid is approximately 80,000 MWh of electricity per year, increasing to 100,000 MWh within the first few years, displacing the majority of the coal-fired grid power. Using a flexible set-up, a greater volume of gas becomes available and the modular gas engines help increase capacity from 12 MWh to 80,000 MWh, providing additional grid electricity.

The project helps to diversify Indonesia’s energy supply, reduce the need for imported energy and build technical capacity for landfill gas to energy systems in Indonesia. Although an exporter of crude oil, Indonesia is also a net crude oil importer as a result of the regional imbalances and growing demand for crude oil use in refineries and power generation.

the projectThe anaerobic decomposition of organic waste in a waste disposal site produces landfill gas, primarily methane which is a potent greenhouse gas. The project improves the construction and operation of the landfill site to make it sanitary and more efficient; the produced gases are captured, cleaned and fed into a gas engine for the generation of electricity which is delivered to the grid.

In order to minimise the landfill site’s impact on the surrounding environment, the project has also improved supporting facilities including leachate drainage networks and wastewater treatment. To minimise and prevent further contamination of groundwater, the site installed leachate liners for new deposition sites. In addition, the project has installed horizontal and vertical extraction wells, and a related pipe network, to capture the landfill gas and improve the safety of the operation.

the project helps to diversify energy supply, reduce the need for imported energy and build technical capacity

The waste collection vehicles are weighed at a weighbridge on arrival.

Drilling for gas on the landfill site.

Infrastructure developmentThe landfill site started operation in 1989 and now receives more than 5,000 tonnes of municipal waste every day; the resulting emissions exceed 25,000 tonnes of methane per year, equivalent to more than half a million tonnes of CO2. Previously, the site was unmanaged and posed health and safety issues from the vast accumulating waste; the upgrade has led to the improved efficiency of waste management systems as well as internal road renovations and weighbridge improvements.

economic growth This project is bringing the implementation of new technology to the region; it is one of only three landfill gas to energy projects in Indonesia. Bantargebang is the largest landfill gas to energy project in the country and the only one on Java.

the region Indonesia is an archipelago of thousands of Southeast Asian islands and is the world’s fourth most populous nation, with a total of more than 250 million people. Despite its population size and high population density, Indonesia still has vast areas of wilderness that support some of the world’s highest levels of biodiversity.

Indonesia has grown strongly since 2010, however it still struggles with poverty, unemployment and inadequate infrastructure. The country is also globally significant for being the country with the 5th greatest gross tree cover loss in 2001-20121, which comes primarily from land-use changes. It is ranked 108th worldwide on the Human Development Index2 which is a composite statistic of life expectancy, education and income and the country has a GDP of US $5,200 per capita (ranked 158th)3.

The project serves Jakarta, the capital of Indonesia, and home to 12 million people. It is the economic, political and cultural centre of Indonesia and is a global city supported by financial services, trade, and manufacturing. It has been ranked first by the Emerging Cities Outlook 2014, as the rising global city of tomorrow4.

Location The project covers an area of 120 hectares and is located in Bekasi, a suburb of the Indonesian capital city Jakarta.

1 http://www.globalforestwatch.org/countries/overview 2 http://hdr.undp.org/en/content/human-development-report-2014 3 https://www.cia.gov/library/publications/the-world-factbook/geos/id.html 4 http://www.atkearney.co.uk/documents/10192/4461492/Global+Cities+Present+and+Future-GCI+2014.pdf/3628fd7d-70be-41bf-99d6-4c8eaf984cd5

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previously, the site posed health and safety issues

©Nick Hall for The Nature Conservancy

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The project is located in Bekasi, a suburb of the Indonesian capital city Jakarta.

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