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Hot Water Heat Accumulators in Single-Family Houses
Linköping University, Department of Management and Engineering, Energy Systems. Linköping University, The Institute of Technology.
1992 (English)In: Applied Thermal Engineering, ISSN 1359-4311, E-ISSN 1873-5606, Vol. 12, no 4, 303-310 p.Article in journal (Refereed) Published
Abstract [en]

In Sweden, as in many other countries, there is a significant difference in electricity demand between day and night. In order to encourage the end use consumer to use less electricity during peak situations, time-of-use tariffs have become more common. The price differs from about 0.8 to 0.35 SEK/kWh, taxation included. (1ECU equals about 7 SEK.) If some of the electricity under the high price period, which falls between 0600 and 2200 during November to March, could be transferred to the low price hours, the electricity bill could be reduced. In Sweden it is common to use electricity for space and hot water heating, at least in single-family houses. By use of a hot water accumulator the need for heat could be produced during the cheap hours and the storage could be discharged when the high price hours occur. This paper describes the electricity use for hot water and space heating in a single-family house sited in Linköping, Sweden, where extensive monitoring has been utilized during 1987. Some 30 values for temperatures and electricity demands have been measured each hour, or sometimes even for shorter time intervals. These monitored data have been the base for examining if a water accumulator could be of interest for the proprietor of the building, i.e. if the cost for the accumulator is less than the money saved by the reduced electricity cost.

Place, publisher, year, edition, pages
Elsevier, 1992. Vol. 12, no 4, 303-310 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-73539DOI: 10.1016/0890-4332(92)90025-DOAI: diva2:474193
Available from: 2012-01-09 Created: 2012-01-09 Last updated: 2013-09-20Bibliographically approved

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Gustafsson, Stig-Inge
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