Energy Saving and Payback Period for Retrofitting of Lighting Systems in Taiwan

Chung Yi Chang; Hsien Te Lin

doi:10.4028/www.scientific.net/AMM.71-78.2190

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Energy Saving and Payback Period for Retrofitting...

Energy Saving and Payback Period for Retrofitting of Lighting Systems in Taiwan

Abstract:

Because of the energy crisis and the low proportion of new buildings in Taiwan, rational use of electricity in existing buildings becomes very important for reducing carbon emissions and combating global climate change. The retrofitting of lighting systems is one of the most widely adopted energy saving measures. This study presents the potential energy saving and payback period of lighting system retrofit through replacing low performance T8 fluorescents with T5 fluorescents and LED indicator lights in the Green Building Renovation Plan. Based on the analysis, this study concludes that lighting system retrofit can achieve significant energy saving ratios of 10-17.5% in daily use. However, the average payback periods of GBRP investment and normal purchase investment are ten years and 7.82 years, respectively. Both exceed the average lifetime of lighting equipment, suggesting that lighting system retrofit is slightly uneconomical because of the low electricity tariff in Taiwan.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

2190-2195

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.2190

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Online since:

July 2011

Authors:

Chung Yi Chang, Hsien Te Lin

Keywords:

Lighting Systems Retrofit, Payback Period, Saving Energy

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