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Load management in municipal electricity systems
Author(s) -
Gustafsson StigInge
Publication year - 1997
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/(sici)1099-114x(199707)21:9<787::aid-er295>3.0.co;2-u
Subject(s) - electricity , load management , load balancing (electrical power) , load profile , peak load , grid , load shifting , computer science , power (physics) , task (project management) , operations management , environmental economics , reliability engineering , operations research , automotive engineering , engineering , electrical engineering , economics , mathematics , systems engineering , physics , geometry , quantum mechanics
Load management is one means of reducing maximum electricity load, and hence also the cost of electricity. In Sweden, the amount charged during the maximum load hour might be about 200 times higher than the standard charge for one kilowatt‐hour. If the load could be reduced by certain equipment in factories and buildings, the need for new power stations and higher capacity in the grid would also be decreased. Using electricity load data for one full year and a short computer program, this paper shows by how much the load could be reduced by postponing demand. If part of the load could be postponed by only one hour, this part may need to be only very small for maximum benefit. If longer time segments were practicable, larger chunks could be transferred. The main result of the study is, however, that load management in practice is a very subtle task if an optimal solution is to be achieved. © 1997 John Wiley & Sons, Ltd.