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Electrical Energy Auditing by Analyzing End-Use Energy Consumption: A Case Study of an Office Building in Tehran

Tayari, M; Burman, E; (2018) Electrical Energy Auditing by Analyzing End-Use Energy Consumption: A Case Study of an Office Building in Tehran. Iranian Journal of Energy and Environment , 9 (3) pp. 153-162. 10.5829/IJEE.2018.09.03.01. Green open access

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Abstract

Auditing electrical energy in buildings is a feasibility study consisting of a comprehensive assessment of a building's electrical utilities in order to optimize energy consumption. In this paper a bottom-up method to estimate electrical loads is formulated that could help in disaggregating electricity use to specific end-uses in the absence of sub-meters in existing buildings. This method can be used for detailed benchmarking and identification of improvement opportunities. Implementation of the method in an office building, located in Tehran, shows that a satisfactorily match (94.66% for off-peak, 88.69% for mid-peak and 94.46% for on-peak) exists between the calculated loads with the data extracted from electricity bills. The building electrical energy auditing shows a maximum share of consumption for office equipment (32%) and a lower consumption for lighting (28%), space heating and cooling (17%), domestic hot water (12%) followed by catering and other electricity end-uses (11%). Through interpreting the energy auditing results, strategies for increasing energy efficiency has been suggested.

Type: Article
Title: Electrical Energy Auditing by Analyzing End-Use Energy Consumption: A Case Study of an Office Building in Tehran
Open access status: An open access version is available from UCL Discovery
DOI: 10.5829/IJEE.2018.09.03.01
Publisher version: http://www.ijee.net/article_75602.html
Language: English
Additional information: This is the published version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Electrical energy auditing; Off-Peak; Mid-Peak; On-Peak; Benchmarking
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10062368
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