Abstract

abstract“The California energy crisis of 2000,” like a bomb exploding in a crowd, alerted the world to the issues surrounding safe and secure energy supply. Increasing energy demand calls for an expanding supply system in order to realize a stable supply of energy. On the other hand, environmental problems such as global warming, the heat island phenomenon, resource depletion, and so on, call for a more efficient and energy-saving supply system. With these as a background, load leveling, one of the effects of DSM (Demand Side Management), is considered to be an effective method.In this paper, 24-hour investigations on SOHO (Small Office Home Office), residential buildings and offices were conducted in the central Tokyo area. Based on the results, the monthly and hourly energy consumption characteristics of SOHO were ascertained. In addition, the dimensionless parameters, load leveling ratio rl and energy saving rate rs were defined. Using rl, SOHO was proven to have profound effects on load leveling; and using rs, the energy saving potential was evaluated quantitatively.

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