TY - GEN
T1 - QUANTIFYING AND COMPARING THE LIFE-CYCLE COST OF LIGHT EMITTING DIODES AND CONVENTIONAL STREETLIGHTS
AU - Kayembe, Tshiaba Didier
AU - Pretorius, Jan Harm C.
AU - Marnewick, Annlizé
N1 - Publisher Copyright:
Copyright © 2021 by Naudé Scribante. Permission granted to IAMOT to publish and use.
PY - 2021
Y1 - 2021
N2 - Today, lighting accounts for 19% of the world's electricity consumption and 6% of the CO2 emissions. Currently, streetlights are converted to more sustainable solutions that are more energy-efficient and cost-effective for both the central and local governments. This research aims to measure and compare the life-cycle cost of light emitting diodes (LED) and conventional streetlights. This is achieved by firstly determining the energy use of LED streetlights compared to conventional streetlights and secondly, determining their total cost of ownership, to encourage municipalities and key decision-makers to evaluate the merit and costs of streetlighting projects. A cost framework for the life cycle has been developed from available literature to measure the life-cycle costs of both streetlight technologies. The selected mathematical formulas have been categorised and applied using secondary data. It is known that the post-acquisition costs are a major part of the life-cycle cost for both streetlight technologies. By comparing the research findings, streetlights with conventional technology tend to use 54% more energy compared to LED technology. The study also records a cost saving of between 17% to 28% of the total cost of ownership over a year in favour of the LED technology.
AB - Today, lighting accounts for 19% of the world's electricity consumption and 6% of the CO2 emissions. Currently, streetlights are converted to more sustainable solutions that are more energy-efficient and cost-effective for both the central and local governments. This research aims to measure and compare the life-cycle cost of light emitting diodes (LED) and conventional streetlights. This is achieved by firstly determining the energy use of LED streetlights compared to conventional streetlights and secondly, determining their total cost of ownership, to encourage municipalities and key decision-makers to evaluate the merit and costs of streetlighting projects. A cost framework for the life cycle has been developed from available literature to measure the life-cycle costs of both streetlight technologies. The selected mathematical formulas have been categorised and applied using secondary data. It is known that the post-acquisition costs are a major part of the life-cycle cost for both streetlight technologies. By comparing the research findings, streetlights with conventional technology tend to use 54% more energy compared to LED technology. The study also records a cost saving of between 17% to 28% of the total cost of ownership over a year in favour of the LED technology.
KW - Conventional streetlight
KW - Energy consumption
KW - LED streetlight
KW - Life cycle cost
UR - http://www.scopus.com/inward/record.url?scp=85123986082&partnerID=8YFLogxK
U2 - 10.52202/060557-0112
DO - 10.52202/060557-0112
M3 - Conference contribution
AN - SCOPUS:85123986082
T3 - Proceedings of the 30th International Conference of the International Association for Management of Technology, IAMOT 2021 - MOT for the World of the Future
SP - 1431
EP - 1442
BT - Proceedings of the 30th International Conference of the International Association for Management of Technology, IAMOT 2021 - MOT for the World of the Future
PB - University of Pretoria
T2 - 30th International Conference of the International Association for Management of Technology: MOT for the World of the Future, IAMOT 2021
Y2 - 19 September 2021 through 23 September 2021
ER -
