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Reliability and forced outages: Survival analysis with recurrent events

Author

Listed:
  • Ravago, Majah-Leah V.
  • Jandoc, Karl Robert
  • Pormon, Miah Maye

Abstract

This paper empirically investigates the contributory factors to forced outage declarations of power plants through a survival analysis model with recurrent events. Using plant-level data in the Philippines, we find that higher reserve margins, higher share capacity (a measure of concentration), and the number of planned outages and days since the last maintenance (preventive maintenance indicators) reduce the risk of forced outages. On the other hand, an increase in the use rate (a measure of the intensity of power plant utilization) and geothermal, solar, and biodiesel plants correlate positively to more forced outages. Focusing on episodes where outages were disproportionately higher in the past decade— we find that thinning reserve margin correlates significantly to forced outage incidence. We also find that a higher share of a power firm’s capacity to the system’s total dependable capacity contributes to lowering the risk of forced outages.

Suggested Citation

  • Ravago, Majah-Leah V. & Jandoc, Karl Robert & Pormon, Miah Maye, 2023. "Reliability and forced outages: Survival analysis with recurrent events," Japan and the World Economy, Elsevier, vol. 68(C).
    • Handle: RePEc:eee:japwor:v:68:y:2023:i:c:s0922142523000397
    DOI: 10.1016/j.japwor.2023.101213
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    More about this item

    Keywords

    Forced outage; Survival analysis; Recurring events; Philippines;
    All these keywords.

    JEL classification:

    • K32 - Law and Economics - - Other Substantive Areas of Law - - - Energy, Environmental, Health, and Safety Law
    • N75 - Economic History - - Economic History: Transport, International and Domestic Trade, Energy, and Other Services - - - Asia including Middle East
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices
    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy

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