Life cycle inventory analysis for electricity in Korea

A life cycle inventory analysis (LCI) database that encompasses the entire Korean electrical energy grid was developed. The CO 2 emission per functional unit of electricity, 1 kWh of usable electricity, was 0.49 kg/f.u. Contribution of direct emission of CO 2 to the total CO 2 emission was around 95...

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Bibliographic Details
Published in:Energy (Oxford) 2004, Vol.29 (1), p.87-101
Main Authors: Lee, Kun-Mo, Lee, Sang-Yong, Hur, Tak
Format: Article
Language:English
Subjects:
Air pollution
Applied sciences
Atmospheric pollution
Bituminous coal
Combustion and energy production
Electric power generation
Emissions
Energy
Energy economics
Energy policy
Exact sciences and technology
General, economic and professional studies
Life cycle engineering
Natural gas
Pollutants
Pollution
Pollution sources. Measurement results
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Summary:A life cycle inventory analysis (LCI) database that encompasses the entire Korean electrical energy grid was developed. The CO 2 emission per functional unit of electricity, 1 kWh of usable electricity, was 0.49 kg/f.u. Contribution of direct emission of CO 2 to the total CO 2 emission was around 95%. In the case of emissions of SO x , NO x , and PM, contribution of the upstream processes including raw energy material extraction, transport, and fuel processing to the total emissions were 29%, 26%, and 43%, respectively. Emissions of air pollutants from power generation or direct emissions are much greater in quantity than those from the upstream processes. On the other hand, the opposite is true for the emissions of water pollutants. Bituminous coal was the largest source of emissions of air and water pollutants including CO 2. Natural gas was the best fuel and anthracite coal was the worst fuel with respect to the direct and upstream emissions of air and water pollutants and wastes.
ISSN:0360-5442
DOI:10.1016/j.energy.2003.08.007