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Energies 2015, 8(6), 5303-5318; doi:10.3390/en8065303

Analysis of Cool Roof Coatings for Residential Demand Side Management in Tropical Australia

School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, 2 George Street, Brisbane 4000, Australia
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editor: Enrico Sciubba
Received: 3 February 2015 / Revised: 6 May 2015 / Accepted: 27 May 2015 / Published: 3 June 2015
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Abstract

Cool roof coatings have a beneficial impact on reducing the heat load of a range of building types, resulting in reduced cooling energy loads. This study seeks to understand the extent to which cool roof coatings could be used as a residential demand side management (DSM) strategy for retrofitting existing housing in a constrained network area in tropical Australia where peak electrical demand is heavily influenced by residential cooling loads. In particular this study seeks to determine whether simulation software used for building regulation purposes can provide networks with the ‘impact certainty’ required by their DSM principles. The building simulation method is supported by a field experiment. Both numerical and experimental data confirm reductions in total consumption (kWh) and energy demand (kW). The nature of the regulated simulation software, combined with the diverse nature of residential buildings and their patterns of occupancy, however, mean that simulated results cannot be extrapolated to quantify benefits to a broader distribution network. The study suggests that building data gained from regulatory simulations could be a useful guide for potential impacts of widespread application of cool roof coatings in this region. The practical realization of these positive impacts, however, would require changes to the current business model for the evaluation of DSM strategies. The study provides seven key recommendations that encourage distribution networks to think beyond their infrastructure boundaries, recognising that the broader energy system also includes buildings, appliances and people. View Full-Text
Keywords: residential demand side management (DSM); cool roofs; electricity distribution networks; energy system; residential; retrofit; peak demand; tropical climate residential demand side management (DSM); cool roofs; electricity distribution networks; energy system; residential; retrofit; peak demand; tropical climate
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Miller, W.; Crompton, G.; Bell, J. Analysis of Cool Roof Coatings for Residential Demand Side Management in Tropical Australia. Energies 2015, 8, 5303-5318.

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