Volatility spillovers and carbon price in the Nordic wholesale electricity markets

Chenyan Lyu, Hung Xuan Do, Rabindra Nepal and Tooraj Jamasb

Energy Economics, 2024, vol. 134, issue C

Abstract: This paper investigates price volatility and spillovers in the Nordic electricity wholesale markets. We use the Time-Varying Parameter Vector Autoregressive (TVP-VAR), Rolling Window-based VAR (RW-VAR), and high dimensional VAR with common factors (VAR-CF) methods and analyze the integration dynamics among these markets and impact of carbon prices on volatility spillovers. We use 107,352 hourly price data from January 2010 to March 2022. The novelty of this research is four-fold. First, we adopt a connectedness approach to explore volatility interactions among the four Nordic markets, contributing to the scarce literature on volatility in this market. Second, we segment the Norwegian market into southern and northern regions, revealing differences in volatility spillover patterns. Third, we investigate the effect of carbon prices on volatility spillovers and market dynamics. Last, we show significant contribution of covariances to interdependence among markets. We find significant connectedness between the Nordic markets, with an average Total Connectedness Index of between 50% (with a system of variance) and 90% (with a system of both variance and covariance). Sweden is the sole net volatility spillover transmitter, while Denmark experiences the largest shocks from the system. We further find that carbon prices exert a 5% significant impact on the volatility spillover index.

Keywords: Electricity markets; Price volatility; Nord pool; Carbon market; Renewable energy (search for similar items in EconPapers)
JEL-codes: D0 D5 L1 L9 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Working Paper: Volatility Spillovers and Carbon Price in the Nordic Wholesale Electricity Markets (2023)
Working Paper: Volatility Spillovers and Carbon Price in the Nordic Wholesale Electricity Markets (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:eneeco:v:134:y:2024:i:c:s0140988324002676

DOI: 10.1016/j.eneco.2024.107559

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