Modelling generator maintenance scheduling costs in deregulated power markets

Keshav Dahal, Khalid Al-Arfaj, Krishna Paudyal

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)
129 Downloads (Pure)


Generating companies use the maintenance cost function as the sole or main objective for creating the maintenance schedule of power generators. Usually only maintenance activities related costs are considered to derive the cost function. However, in deregulated markets, maintenance related costs alone do not represent the full costs of generators. This paper models various cost components that affect the maintenance activities in deregulated power markets. The costs that we model include direct and indirect maintenance, failures, interruptions, contractual compensation, rescheduling, and market opportunity. The loss of firm's reputation and selection of loyalty model are also considered using the Analytic Hierarchy Process (AHP) within an opportunity cost model. A case study is used to illustrate the modelling activities. The enhanced model is utilised in generator maintenance scheduling cases. The experimental results demonstrate the importance and impact of market related costs in maintenance schedules.
Original languageEnglish
Pages (from-to)551-561
JournalEuropean Journal of Operational Research
Issue number2
Early online date14 Jul 2014
Publication statusPublished - 16 Jan 2015


  • Maintenance
  • Opportunity cost
  • Deregulated market
  • Reputation
  • AHP


Dive into the research topics of 'Modelling generator maintenance scheduling costs in deregulated power markets'. Together they form a unique fingerprint.

Cite this