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Determinants of price fluctuations in the electricity market: a study with PCA and NARDL models

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  • Kun Li
  • Joseph D. Cursio
  • Yunchuan Sun
  • Zizheng Zhu

Abstract

In the modern electricity markets, negative prices and spike prices coexist as a pair of opposite economic phenomena. This study investigates how these extreme prices play as the determinants to drive price fluctuations in the electricity market. We construct a two-stage analysis including a principal component analysis (PCA) and a nonlinear autoregressive distributed lags model (NARDL). We apply this analytical method to the wholesale Pennsylvania, New Jersey and Maryland (PJM) electricity market. We find that according to PCA, in the individual transmission lines, spike prices are determinants with largest explanatory power to the variation of prices, while according to NARDL, from the standpoint of the overall market, negative prices have a larger potential effect on both the real-time market and the forward market. These results are valuable and contributive to managers and operators in the electricity markets for policy decision making.

Suggested Citation

  • Kun Li & Joseph D. Cursio & Yunchuan Sun & Zizheng Zhu, 2019. "Determinants of price fluctuations in the electricity market: a study with PCA and NARDL models," Economic Research-Ekonomska Istraživanja, Taylor & Francis Journals, vol. 32(1), pages 2404-2421, January.
    • Handle: RePEc:taf:reroxx:v:32:y:2019:i:1:p:2404-2421
    DOI: 10.1080/1331677X.2019.1645712
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    Cited by:

    1. Rassi, Samin & Kanamura, Takashi, 2023. "Electricity price spike formation and LNG prices effect under gross bidding scheme in JEPX," Energy Policy, Elsevier, vol. 177(C).

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