Payment cost minimization auction in electricity markets

Satish Sharma, Rohit Bhakar, N. P. Padhy, H. O. Gupta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

In deregulated electricity markets, offer cost minimization auction is used to minimize the total bid cost for selecting offer and demand bids. But a uniform market clearing price (MCP) is used for consumer payments. Hence, the minimized bid cost is different from settlement cost. The problem has a non-separable objective function and the bid curves are non-continuous. This paper proposes a combination theory based model to consider all possible combination of suppliers who can participate in auction for hourly system demand. These combinations are compared for minimum payment cost. Decision variables such as power levels, MCP and startup cost are included for calculation of minimum payment cost. Simulations reflect that the method is efficient and the payment cost for payment cost minimization auction is substantially lower than the payment cost for offer cost minimization auction, for a particular set of offer bids pertaining to certain demand.

Original languageEnglish
Title of host publicationIEEE Power and Energy Society General Meeting
DOIs
Publication statusPublished - 9 Dec 2011
Event2011 IEEE PES General Meeting: The Electrification of Transportation and the Grid of the Future - Detroit, MI, UK United Kingdom
Duration: 24 Jul 201128 Jul 2011

Conference

Conference2011 IEEE PES General Meeting: The Electrification of Transportation and the Grid of the Future
CountryUK United Kingdom
CityDetroit, MI
Period24/07/1128/07/11

Keywords

  • Combination Theory
  • Deregulated Electricity Market
  • Market Clearing Price
  • Offer Cost Minimization
  • Payment Cost Minimization

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