An Error Correction Model for Forecasting Philippine Aggregate Electricity Consumption

Rolando Danao and Geoffrey Ducanes

MPRA Paper from University Library of Munich, Germany

Abstract: This paper presents an error correction model for forecasting electricity consumption in the Philippines based on income, price, and temperature. The empirical evidence shows that there is a long-run positive and inelastic relationship between electricity consumption and income. We find that income, price, and temperature have significant short-run effects. Short-run demand is positive and inelastic with respect to income, negative and inelastic with respect to price, and positive and elastic with respect to temperature. Despite the small sample size, the model passes the standard diagnostic and parameter stability tests and performs well in within-sample and out-of-sample forecasting. It can be used not only for forecasting but also for analyzing, through simulations, the impacts on electricity consumption of changes in income, price, and temperature. The simulations confirm that, in the long run, electricity consumption is mainly driven by economic growth. Increasing GDP growth rate from 6% per year to 7% could increase electricity consumption at the end of 15 years by 10%. Although the effect of electricity price on electricity consumption is small (because of low price elasticity in absolute terms) and the effect of temperature change is also small (because annual average temperature change is small), their combined effects could add up and our simulation indicates that under very conservative assumptions, electricity consumption at the end of 15 years could rise further by 2%. Thus, it is important to include these variables in the simulations in order to account for their combined effects.

Keywords: Electricity consumption; forecasting; error correction model (search for similar items in EconPapers)
JEL-codes: C53 Q4 (search for similar items in EconPapers)
Date: 2016, Revised 2017-03
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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