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Renewable energy utilization and CO2 mitigation in the power sector: A case study in selected GMS countries

Author(s): Kong Pagnarith | Bundit Limmeechokchai

Journal: Songklanakarin Journal of Science and Technology
ISSN 0125-3395

Volume: 33;
Issue: 3;
Start page: 305;
Date: 2011;
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Keywords: GMS | biomass | wind | PV | geothermal | carbon credits | CO2 mitigation | LEAP.

Renewable energy is an alternative resource to substitute fossil fuels. Currently, the share of renewable energy inpower generation is very low. The selected Greater Mekong Sub-region (GMS), namely, Cambodia, Laos, Thailand andVietnam is a region having abundant of renewable energy resources. Though these countries have a high potential of renewableenergy utilization, they are still highly dependent on the imported fossil fuels for electricity generation. The less contributionof renewable energy in the power sector in the region is due to the high cost of technologies. Renewable energytechnology cannot compete with the conventional power plant. However, in order to promote renewable energy utilizationand reduce dependency on imported fossil fuel as well as to mitigate CO2 emissions from the power sector, this study introducesfour renewable energy technologies, namely, biomass, wind, solar PV, and geothermal power, for substitution of conventionaltechnologies. To make the renewable energy competitive to the fossil fuels, incentives in terms of carbon credit of20$/ton-ne CO2 are taken into account. Results are analyzed by using the Long-Range Energy Alternative Planning System(LEAP) modeling. Results of analyses reveal that in the renewable energy (RE) scenario the biomass power, wind, solarphotovoltaics, and geothermal would contribute in electricity supply for 5.47 GW in the region, accounted for 3.5% in 2030.The RE scenario with carbon credits could mitigate CO2 emissions at about 36.0 million tonne at lower system cost whencompared to the business-as-usual scenario.

Tango Jona
Tangokurs Rapperswil-Jona

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