Monitoring occupancy and light operation

M. S. Rea, R. R. Jaekel

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


To determine whether electrical energy is used effectively it is necessary to assess both operation of electrical equipment and occupancy of a space simultaneously, since even small amounts of energy are wasted if an electrical device is switched on but unused. Of the several methods of estimating occupancy that were compared, random visits to a space are the most accurate and usually the least expensive means of obtaining both occupancy and operation data. More widespread use of this technique would enable building owners and operators to evaluate the efficient use of electricity in the spaces they manage.

Original languageEnglish
Pages (from-to)45-49
Number of pages5
JournalLighting Research and Technology
Issue number2
StatePublished - Oct 1987
Externally publishedYes


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