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KMID : 1024520140230091643
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Journal of the Environmental Sciences
2014 Volume.23 No. 9 p.1643 ~ p.1654
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A Study of GHG-AP Integrated Inventories and Alternative Energy Use Scenario of Energy Consumption in the University
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Jung Jae-Hyung
Kwon O-Yul
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Abstract
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The university is one of the main energy consumption facilities and thereby releases a large amount of greenhouse
gas (GHG). Accordingly, efforts for reducing energy consumption and GHG have been established in many local as well
as international universities. However, it has been limited to energy consumption and GHG, and has not included air
pollution (AP). Therefore, we estimated GHG and AP integrated emissions from the energy consumed by Seoul
National University of Science and Technology during the years between 2010 and 2012. In addition, the effect of
alternative energy use scenario was analysed. We estimated GHG using IPCC guideline and Guidelines for Local
Government Greenhouse Inventories, and AP using APEMEP/EEA Emission Inventory Guidebook 2013 and Air
Pollutants Calculation Manual. The estimated annual average GHG emission was 11,420 tonCO2eq, of which 27% was
direct emissions from fuel combustion sectors, including stationary and mobile source, and the remaining 73% was
indirect emissions from purchased electricity and purchased water supply. The estimated annual average AP emission
was 7,757 kgAP, of which the total amount was from direct emissions only. The annual GHG emissions from city gas
and purchased electricity usage per unit area (m2) of the university buildings were estimated as 15.4 kgCO2eq/m2
and 42.4 tonCO2eq/m2 and those per person enrolled in the university were 210 kgCO2eq/capita and 577 kgCO2eq/capita.
Alternative energy use scenarios revealed that the use of all alternative energy sources including solar energy, electric
car and rain water reuse applicable to the university could reduce as much as 9.4% of the annual GHG and 34% of AP
integrated emissions, saving approximately 400 million won per year, corresponding to 14% of the university energy
budget.
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KEYWORD
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University, Energy consumption, GHG (Greenhouse Gas), AP (Air Pollution), Energy use scenario
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