Kyoto protocol-backed energy project
Posted: 13 December 2007
The Indonesian island of Bali today formally launched a new integrated solid waste management operation that will earn carbon credits by using a landfill’s waste methane gas in a GE Energy ecomagination-certified Jenbacher gas engine to generate electricity.
The project marks Indonesia’s first municipal solid waste-to-energy project.
The project was formally unveiled at the close of a United Nations-backed conference Bali convened to discuss the framework for a potential new international climate-change agreement.
Bali, a popular destination for tourists from all over the world, unveiled its milestone waste-to-energy initiative solid waste project at the TPA Suwung landfill, a 25-hectare facility located about 10 kilometers outside the capital city of Denpasar.
The landfill receives 800 tons of solid waste daily from the regencies of Denpasar, Badung, Gianyar and Tabanan.
A key element of the facility is a waste-to-energy plant powered by a Jenbacher JGS 320 GS-B.L biogas generator set, which will produce 1.06 MW of electricity – to support internal consumption purposes initially.
For Bali, the waste-to-energy initiative also offers an additional environmental benefit as the project’s developers are reconfiguring the TPA Suwung landfill’s boundary to shift it away from an adjacent, protected mangrove forest.
Technologically, the facility represents the world’s first combination of three applications for one waste-to-energy initiative: gasification, landfill gas and anaerobic digestion (GALFAD).
Methane – an abundant gas found in landfills – is a gas with a global warming factor 21 times greater than carbon dioxide, the most widely recognized greenhouse gas affecting climate change.
The capture and use of landfill methane creates a renewable energy source that lowers the amount released into the atmosphere, thereby reducing its effects on global climate change.
The biogas plant, which was initiated by GE’s authorized Jenbacher gas engine distributor for Indonesia, Navigat Energy Pte Ltd, is owned by PT NOEI, a subsidiary of Manunggal Energi Group, Indonesia.
The landfill is operated by SARBAGITA, the regional municipal waste management agency. PT NOEI has signed a long-term operation and maintenance service agreement with Navigat Energy Pte Ltd in order to help both optimize the plant’s availability and reduce the developer’s economic risks.
This is the first biogas project in Bali to be eligible for certified emission reductions (CERs) credits under the international Clean Development Mechanism (CDM) by reducing methane emissions and displacing the use of fossil fuel-produced electricity.
As a developing nation, Indonesia’s participation in CDM allows it to sell CERs to Annex-1 countries that have to meet greenhouse gas reduction targets under the Kyoto Protocol.
The revenue from CERs is a boom for public-private partnerships such as this project in Bali – making renewable energy projects economically feasible and thus becoming a reference for more sustainable development in the future.
According to GE Energy’s Country Executive- Indonesia, Gatot Prawiro, GE’s Jenbacher technology also has great potential for the rest of Indonesia.
"Indonesia has other landfills and many large plantations in need of solutions for their waste problems. Converting waste into electricity is not only a solution for solid waste management but also is an excellent on-site power solution for areas of the country that are electricity starved and do not have access to the national grid," Prawiro said.
Navigat Energy Pte Ltd recently sold its 100th Jenbacher gas gen-set for an industrial customer seeking a reliable on-site power source, Prawiro noted.
Posted by Richard Price, Editor, EnergyME.com
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