Randomly Modulated Periodic Signals in Australias National Electricity Market

John Foster (), Melvin Hinich and Phillip Wild

No 2-2008, Energy Economics and Management Group Working Papers from School of Economics, University of Queensland, Australia

Abstract: In this article, we use half hourly spot electricity prices and load data for the National Electricity Market (NEM) of Australia for the period from December 1998 to August 2007 to test for randomly modulated periodicity. In doing so, we apply signal coherence spectral analysis to the time series of half hourly spot prices and megawatt-hours (MWh) load demand from 7/12/1998 to 31/08/2007 using the FORTRAN 95 program developed by Hinich (2000). We detect relatively steady weekly and daily cycles in load demand but relatively more unstable cycles in prices.

Keywords: Electiricty Generation; Natural Gas; Levelised Cost of Energy (search for similar items in EconPapers)
JEL-codes: Q40 (search for similar items in EconPapers)
Date: 2008-09
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Citations: View citations in EconPapers (8)

Published in The Energy Journal, vol 29, no 3, pages 105-130

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Journal Article: Randomly Modulated Periodic Signals in Australias National Electricity Market (2008)
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Persistent link: https://EconPapers.repec.org/RePEc:qld:uqeemg:2-2008

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