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| 1 |
ID:
094963
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2010.
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| Summary/Abstract |
In this paper, we examine the co-benefits of reducing CO2 emissions in Thailand during 2005-2050 in terms of local pollutant emissions as well as the role of renewable-, biomass- and nuclear-energy. It also examines the implications of CO2 emission reduction policy on energy security of the country. The analyses are based on a long term energy system model of Thailand using the MARKAL framework. The study shows that the power sector would account for the largest share (over 60%) in total CO2 emission reduction followed by the industrial and transport sectors. Under the CO2 emission reduction target of 30%, there would be a reduction in SO2 emission by 43% from the base case level. With the CO2 emission reduction target of 10-30%, the cumulative net energy imports in the country during 2005-2050 would be reduced in the range of over 16 thousand PJ to 26 thousand PJ from the base case emission level. Under the CO2 emission reduction targets, the primary energy supply system would be diversified towards lower use of coal and higher use of natural gas, biomass and nuclear fuels.
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| 2 |
ID:
098212
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2010.
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| Summary/Abstract |
This paper analyzes the sectoral energy consumption pattern and emissions of CO2 and local air pollutants in the Kathmandu Valley, Nepal. It also discusses the evolution of energy service demands, structure of energy supply system and emissions from various sectors under the base case scenario during 2005-2050. A long term energy system planning model of the Kathmandu Valley based on the MARKet ALlocation (MARKAL) framework is used for the analyses. Furthermore, the paper analyzes the least cost options to achieve CO2 emission reduction targets of 10%, 20% and 30% below the cumulative emission level in the base case and also discusses their implications for total cost, technology-mix, energy-mix and local pollutant emissions. The paper shows that a major switch in energy use pattern from oil and gas to electricity would be needed in the Valley to achieve the cumulative CO2 emission reduction target of 30% (ER30). Further, the share of electricity in the cumulative energy consumption of the transport sector would increase from 12% in the base case to 24% in the ER30 case.
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| 3 |
ID:
098543
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2010.
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| Summary/Abstract |
This paper analyzes the sectoral energy consumption pattern and emissions of CO2 and local air pollutants in the Kathmandu Valley, Nepal. It also discusses the evolution of energy service demands, structure of energy supply system and emissions from various sectors under the base case scenario during 2005-2050. A long term energy system planning model of the Kathmandu Valley based on the MARKet ALlocation (MARKAL) framework is used for the analyses. Furthermore, the paper analyzes the least cost options to achieve CO2 emission reduction targets of 10%, 20% and 30% below the cumulative emission level in the base case and also discusses their implications for total cost, technology-mix, energy-mix and local pollutant emissions. The paper shows that a major switch in energy use pattern from oil and gas to electricity would be needed in the Valley to achieve the cumulative CO2 emission reduction target of 30% (ER30). Further, the share of electricity in the cumulative energy consumption of the transport sector would increase from 12% in the base case to 24% in the ER30 case.
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| 4 |
ID:
125803
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2013.
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| Summary/Abstract |
This paper analyses the potential of renewable energy for power generation and its energy, environmental and economic implications in Pakistan, using a bottom up type of long term energy system based on the MARKAL framework. The results show that under a highly optimistic renewable portfolio standard (RPS) of 80%, fossil fuel consumption in 2050 would be reduced from 4660 PJ to 306 PJ, and the GHG emissions would decrease from 489 million tons to 27 million tons. Nevertheless, price of the electricity generation will increase significantly from US$ 47/MWh under current circumstances (in the base case) to US$ 86/MWh under RPS80. However the effects on import dependency, energy-mix diversity, per unit price of electricity generation and cost of imported fuels indicate that, it may not be desirable to go beyond RPS50. Under RPS50 in 2050, fuel consumption of the power sector would reduce from 21% under the base case to 9% of total fossil fuels supplied to the country. It will decrease not only GHG emission to 170 million tons but also will reduce import dependency from 73% under the base case to 21% and improve energy diversity mix with small increase in price of electricity generation (from US$ 47/MWh under the base case to US$ 59/MWh under RPS 50).
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| 5 |
ID:
092608
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2009.
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| Summary/Abstract |
The paper evaluates effects of energy resource development within the Greater Mekong Sub-region (GMS) on energy supply mix, energy system cost, energy security and environment during 2000-2035. A MARKAL-based integrated energy system model of the five GMS countries was developed to examine benefits of regional energy resource development for meeting the energy demand of these countries. The study found that an unrestricted energy resource development and trade within the region would reduce the total-regional energy systems cost by 18% and would abate the total CO2 emission by 5% as compared to the base case. All the five countries except Myanmar would benefit from the expansion of regional energy resource integration in terms of lower energy systems costs and better environmental qualities. An imposition of CO2 emission reduction constraint by 5% on each of the study countries from that of the corresponding emissions under the unrestricted energy resource development in the GMS is found to improve energy security, reduce energy import and fossil fuels dependences and increase volume of power trade within the region. The total energy system cost under the joint CO2 emission reduction strategy would be less costly than that under the individual emission targets set for each country.
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