Is Indian Spot Electricity Price Series Stationary?

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Abstract

Day-ahead spot electricity market of Indian energy exchange operates all 24 hours, 365 days a year. Many studies in literature have explored modeling spot electricity prices particularly in the context of NordPool, CalPx and PJM markets but very few studies in literature have explored modeling spot electricity prices in Indian context. Is Indian Spot Electricity Price Series Stationary? Answering this fundamental question paves way for application of techniques inspired from time series econometric modeling and forecasting literature which makes an inherent assumption that the underlying price-series is stationary. In this study we empirically investigate whether Spot Electricity Price Series is Stationary by using 17,520 hourly spot prices for each of the five regions of Indian electricity market and applying Augmented Dickey-Fuller Test, Phillips Peron Test, Kwiatkowski-Phillips-Schmidt-Shin Test and Narayan and Popp Test allowing for structural breaks. The results of the study will help power market participants understand the nitty-gritty's and nuances associated with Indian spot electricity prices for effective application of time series econometric models.

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APA

Vijayalakshmi, S., Girish, G. P., Singhania, K., & Vincent, E. N. (2017). Is Indian Spot Electricity Price Series Stationary? In Energy Procedia (Vol. 138, pp. 1067–1072). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2017.10.114

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