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THE 2 ND NATIONAL GREENHOUSE GAS INVENTORY ON THE ENERGY SECTOR – A PRELIMINARY ASSESSMENT

THE 2 ND NATIONAL GREENHOUSE GAS INVENTORY ON THE ENERGY SECTOR – A PRELIMINARY ASSESSMENT. SEMINAR ON GHG INVENTORY FOR THE ENERGY SECTOR Marriott Putrajaya 29th. NOVEMBER 2004 By: Radin Diana R. Ahmad. OBJECTIVES OF THE STUDY. The study was commission from August to December 2004

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THE 2 ND NATIONAL GREENHOUSE GAS INVENTORY ON THE ENERGY SECTOR – A PRELIMINARY ASSESSMENT

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  1. THE 2ND NATIONAL GREENHOUSE GAS INVENTORY ON THE ENERGY SECTOR – A PRELIMINARY ASSESSMENT SEMINAR ON GHG INVENTORY FOR THE ENERGY SECTOR Marriott Putrajaya 29th. NOVEMBER 2004 By: Radin Diana R. Ahmad

  2. OBJECTIVES OF THE STUDY The study was commission from August to December 2004 Objectives of this study are: To establish a preliminary GHG inventory for the energy sector in Malaysia as basis for calculation of CDM potential and GHG emission baselines; To compare the methods provided in the IPCC Guidelines and to determine the level of detail of activity data required for each method; To identify ways to improve emission factors in key category sources in order to prepare a more reliable GHG inventory; and To identify areas where data are missing and suggest options for improvements

  3. ACTIVITIES (1 of 2) • Activity 1: Consolidate and collect data for developing and maintaining the GHG inventory for the energy sector • Go through the existing data sampling procedures of National Energy Balance (NEB) • Identify the emission factors and other conversion factors required to generate a GHG inventory for the energy sector • Activity 2: Implement and document the GHG inventory for the energy sector • Conduct necessary data collection • Documentation on the GHG inventory for the energy sector

  4. ACTIVITIES (2 of 2) • Activity 3: Identify areas for future improvement of the GHG Inventory • Identify areas where future studies or data collection are necessary to develop better quality GHG inventory. • Recommendations will be made with suggestions for improvements to the quality assurance/quality control and the verification procedures used in the preparation of GHG inventory.

  5. METHODOLOGY FOR THE STUDY • Revised 1996 IPCC Guidelines • Developed and approved internationally through an internally process • The Revised 1996 IPCC Guidelines reaffirmed in 1997 • The guidelines consist of: • The Reporting Instructions • The Workbook • The Reference Manual • The guideline is supported by Excel-software

  6. STRUCTURE OF THE METHODOLOGY USED • Tier 1 structure is used which relies on widely available fuel data • Reference Approach • Top down approach • Fundamental: overall energy balance • Sectoral Approach • Bottom up approach • Fundamental: energy consumption for sectors • Default Emission Factors or national, sector specific Emission Factors • Base year : 2002

  7. STRUCTURE OF THE METHODOLOGY USED (Contd.) • Reference Approach/Sectoral Approach (CO2) • Step 1: Estimate apparent/sectoral fuel consumption in original unit • Step 2: Convert to a common energy unit • Step 3: Multiply by emission factors to compute the carbon content • Step 4: Compute carbon stored • Step 5: Correct for carbon un-oxidised • Step 6: Convert carbon oxidised to CO2 - emissions

  8. STRUCTURE OF THE METHODOLOGY USED (Contd.) • Sectoral approach (Tier 1: CH4, N2O, NOx, CO, NMVOC and SO2) • Step 1: Estimate annual fuel consumption per sector in energy units • Step 2: Estimate emission factors for each gas • Step 3: Estimate the emission for each gas • Estimate EF for SO2 from S-content of fuel

  9. WORKSHEET (REFERENCE APPROACH)

  10. WORKSHEET (SECTORAL APPROACH)

  11. RESULTS

  12. ISSUESENCOUNTERED • Data Collection Activities • Information on Combustion Effectivity i.e. fraction of carbon oxidised • e.g. Coal – ash content available but carbon content not available • Fuel Consumption for domestic/international aviation • Unavailability of relevant data • Could not identify relevant personnel to acquire data

  13. ISSUES ENCOUNTERED (Contd.) • Fuel Consumption for domestic/international navigation • Unavailability of relevant data • Could not identify relevant personnel to acquire data • Fuel Consumption for road transport, railways, pipeline transport • Unavailability of relevant data • Could not identify relevant personnel to acquire data • Sulphur content of fuel/specific energy content of fuel • Value usually based on maximum and not precise • Emission values of SOx normally kept confidential

  14. ISSUES ENCOUNTERED (Contd.) • Malaysian Emission Factors • Vehicles (Trucks, Passenger cars, Motorcycle) • Power Plants (Different technologies) • Manufacturing Industries • Others e.g. Residential, Commercial

  15. CONCLUSION • The study has identified the strengths and weaknesses of the country’s database pertaining to the inventory • The results from the study will form the basis for the preparation of the 2nd GHG Inventory in the 2nd National Communication

  16. Thank You Pusat Tenaga Malaysia Level 8, SAPURA@MINES No. 7, Jalan Tasik The Mines Resort City 43300 Seri Kembangan Selangor Website: www.ptm.org.my E-mail: info@ptm.org.my

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