Principal Component Analysis of Price Fluctuation in the Smart Grid Electricity Market

Kun Li, Joseph D. Cursio and Yunchuan Sun
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Kun Li: Business School, Beijing Normal University, Beijing 100875, China
Joseph D. Cursio: Stuart School of Business, Illinois Institute of Technology, Chicago, IL 60661, USA
Yunchuan Sun: Business School, Beijing Normal University, Beijing 100875, China

Sustainability, 2018, vol. 10, issue 11, 1-16

Abstract: Large price fluctuations have become a significant character and impede resource allocation in the electricity market. Negative prices and peak load spike prices coexist and represent over-supply and over-demand, respectively. It is important to interpret the impact of these extreme prices on sustainable power management from the perspective of economics. In this paper, we build a principal component analysis (PCA) to assess the impact of the two opposite phenomena on the smart grid electricity system. We perform a big-data study using intra-day data from the Pennsylvania, New Jersey, and Maryland (PJM) electricity system with over 11,000 transmission lines. As the contribution, this paper (1) measures the price fluctuations from the perspective of economics, (2) captures and observes the full-length behavior of negative and spike pricing in a modern smart grid system with multi-transmission lines and high-frequency price updates, and (3) employs methods with distinctive advantages to bring more in-depth findings to interpret the smart grid system. We find that spike prices hold the principal explanatory power for electricity market fluctuation in all the transmission lines. The results are consistent with previous studies about resolutions such as electrical energy storage, transmission capacity upgrade, and demand response.

Keywords: price fluctuation; principal component analysis; electricity market transition; smart grid (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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