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    A Reliability Based Model for Electricity Pricing

    Access Status
    Fulltext not available
    Authors
    Chowdhury, A.
    Koval, D.
    Islam, Syed
    Date
    2008
    Type
    Conference Paper
    
    Metadata
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    Citation
    Chowdhury, A and Koval, D and Islam, Syed. 2008. A Reliability Based Model for Electricity Pricing, 2008 Australasian Universities Power Engineering Conference, Dec 14 2008. Sydney, Australia: University of New South Wales.
    Source Title
    Proceedings of the 2008 Australasian Universities Power Engineering Conference
    Source Conference
    2008 Australasian Universities Power Engineering Conference
    ISBN
    9780733427152
    Faculty
    Department of Electrical and Computer Engineering
    School of Engineering
    Faculty of Science and Engineering
    URI
    http://hdl.handle.net/20.500.11937/27612
    Collection
    • Curtin Research Publications
    Abstract

    In an attempt to re-regulate the distribution segment of an electric power system, public utility commissions (PUCs) areincreasingly adopting a reward/penalty framework in order to guarantee acceptable electric supply reliability. A distribution utility’s historical reliability performance records provide the basis for creating practical performance based ratemaking (PBR) mechanisms at the corporate level and identifying substandard areas within a utility’s distribution system. The paper presents an application using a graphical methodology for the stratification of a utility’s historical reliability indices data base into various categories, i.e., corporate level, regional level and crew level to quickly identify substandard areas for achieving optimum reliability and to develop PBR frameworks for use in a reregulatedenvironment. A brief analysis of cause contributions to the stratified reliability indices also is presented in this paper. This paper presents actual reliability performance history of a large utility over a period of three years to illustrate how this data can used to develop PBR frameworks for use in a reregulated environment. The historic reliability based PBR framework developed in this paper will find practical applications in the emerging deregulated electricity market.

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