Multiagent analysis for effect of cogeneration spread in an electricity market

Kawamura, Hidenori; Kurumatani, Koichi; Ohuchi, Azuma
July 2006
Electrical Engineering in Japan;Jul2006, Vol. 156 Issue 2, p61
Academic Journal
In this paper, in order to investigate the effect of scenarios in which cogeneration spreads in an electricity market we constructed a multi-agent model of an electricity trading market with power distribution and power generation agents. In this model, we analyzed the effect of reducing power generation surplus facilities on market price formation and stability through computer experiments. As a result of the experimental simulations, the market price was decreased by the increase of sell bids according to the demand reduction by the spread of cogeneration, and by the increase of commercial use of cogeneration facilities, the market price was more economical and stable because such agents supplied more electricity generated by surplus cogeneration. However, if power generation agents reduced the number of power generating facilities when the number of power distribution agents' cogeneration facilities was not significant, the fluctuation of market price grew larger. We confirmed that the spread of cogeneration played an important role in stabilizing market price formation. © 2006 Wiley Periodicals, Inc. Electr Eng Jpn, 156(2): 61–74, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20353


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