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Emissions Inventory and Modelling Applications for Thailand

The 13 th International AIM Workshop Tsukuba, February 13-15, 2008. Emissions Inventory and Modelling Applications for Thailand. Effects of CO 2 Emission Target in Thailand. Ram M. Shrestha and Shreekar Pradhan Asian Institute of Technology Thailand Email: ram@ait.ac.th.

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Emissions Inventory and Modelling Applications for Thailand

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  1. The 13th International AIM Workshop Tsukuba, February 13-15, 2008 Emissions Inventory and Modelling Applications for Thailand Effects of CO2 Emission Target in Thailand Ram M. Shrestha and Shreekar Pradhan Asian Institute of Technology Thailand Email: ram@ait.ac.th

  2. Thailand Model: Base Case Base Case assumptions: • Hydro Import: • 4000 ktoe (Assumption: 21 GW of hydropower electricity is available as electricity import in the base case by 2050) • Nuclear will be introduced by 2020: • 2500 ktoe (4000 MW) • Nuclear power generation will be available to the maximum of • 20,000 ktoe by 2050 • Biodiesel (B10) will be available up to • 40,000 ktoe by by 2050 • Gasohol (E10) will be available up to • 20,000 ktoe by 2050.

  3. Energy Supply and Demand during 2000-2050

  4. 15% CO2 target CO2 emission • 15% CO2 target introduced from 2015 • 2.7 billion tCO2 would be reduced during 2000-2050 (10%) and 186 billion tCO2 in year 2050 (15%).

  5. CO2 emission per capita in Base Case during 2000-2050

  6. Sectoral CO2 emission in the Base case • Industrial, Transport and Power sectors together account for 94% share in CO2 emission. • Residential, Commercial and Agriculture sectors together account for 6% share in CO2 emission

  7. Sectoral shares in CO2 emission • The power sector would achieve the largest CO2 emission reduction (73%) followed by Transport sector (15%) and Industrial sector (12%).

  8. Technology-mix in Power Generation Shares of different technologies in Power Generation CO2 target would (during 2000-2050) • introduce CCS based coal fired power generation (188 Mtoe). • reduce the shares of IGCC, PFBC and Cogeneration (150 Mtoe). • increase the levels of of combined cycle power generation (130 Mtoe) • decrease the levels of conventional coal and oil based power generation (69 Mtoe). • increase Hydro based power generation (24 Mtoe).

  9. Changes in Power Supply Technology under 15% CO2 Target 15% CO2 target would require (during 2000-2050) • CCS based coal fired power generation (188 Mtoe). • Combined cycle power generation (130 Mtoe) • Hydro based power generation (24 Mtoe).

  10. Final Energy Demand under 15% CO2 Reduction Target • Not significant changes under 15% CO2 target • Industrial and Transport sector would experience a small decrease in energy demand.

  11. Final Energy Demand under 15% CO2 target 8637 8380 • Industrial (108 Mtoe) and Transport sector (159 Mtoe) final energy demand would slightly decline.

  12. Share of technologies in the transport sector • Efficient gasoline/diesel vehicles (30%), hybrid vehicles (24%) would have a major share in the base case followed by bio-diesel (15%) and Gasohol (3%). • 15% CO2 target would increase the share of biodiesel (by 4%), gasohol vehicles (3%) and hybrid vehicles (3%).

  13. NOx emission under 15% CO2 target • 7 million ton of NOx is reduced during 2000-2050.

  14. SOx emission under 15% CO2 target • 40 million ton of SOx is reduced during 2000-2050.

  15. Co-benefits of 15% CO2 target • Power sector would achieve the largest NOx emission reduction followed by the industrial sector. • In transport, 0.4 million ton of NOx would be increased. • Industrial Sector would achieve the largest SOx emission reduction followed by the power and transport sector.

  16. Energy Import Dependency under 15% CO2 target • Energy import dependency reduces by 2% during 2000-2050 • The same would reduce by 4% in year 2050.

  17. Concluding Remarks • To achieve a target of 15% reduction in CO2 emission, • CCS and combined cycle technology in the power sector would play a major role. • Renewable energy would not be contributing significantly in CO2 reduction in the power sector. • In transport sector, bio-diesel, gasohol and hybrid vehicles would have significant role in emission reduction. • The results would be affected if modal shift to railways and other mass transport systems are considered.

  18. Thank you

  19. Thailand: Brief Background • Population:64.76 million • Population Density: 126 people/km2 • GDP: US $ 176 billion • GDP per capita: US $ 2727 (year 2005) • Economy: 2nd largest in ASEAN region • CO2 emission: 179.9 MtCO2 (2004) – 2nd largest emitter in ASEAN • High passenger vehicle ownership rate (Vehicles/thousand people: 324 in Bangkok and 100 (Thailand)) • Electricity generation mainly based on fossil fuels (gas, coal)

  20. TPES from 1971 to 2004 TPES Source: IEA (2006) • Fossil fuel use has been dominating TPES for many years and the fossil fuel use is growing by AAGR of 7.6% since 1991 whereas TPES has AAGR of 5.7% in the same period

  21. Structure of Final Energy Demand • Industrial and Transport sector together account for about 75% of total final energy consumption. Source: DEDE (2006)

  22. Power Sector Fuel Consumption Source: EGAT, 2007 • Natural gas has been occupying the largest share in the power generation

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