Unintended biases of an electricity demand forecast based on a double-log regression

Chi Keung Woo, J. Zarnikau*, Kang Hua Cao

*Corresponding author for this work

    Research output: Contribution to journalJournal articlepeer-review

    3 Citations (Scopus)
    19 Downloads (Pure)


    This paper identifies the unintended biases occasionally not recognized when using a double-log regression to make an electricity demand forecast. It shows that ignoring the stochastic nature of forecasts of income, price and weather can vastly overstate the forecast's precision, potentially causing inadequate resource procurement for reliable service at least cost. Fortunately, the overstated precision is readily avoidable because its correction uses information available when making the forecast.

    Original languageEnglish
    Article number106866
    JournalElectricity Journal
    Issue number10
    Publication statusPublished - Dec 2020

    Scopus Subject Areas

    • Business and International Management
    • Energy (miscellaneous)
    • Management of Technology and Innovation

    User-Defined Keywords

    • Double-log regression
    • Electricity demand forecast
    • Forecast bias
    • Forecast precision


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