Forecasting electricity consumption with SARMAX Models: An application on Brazil's consumption sectors

Forecasting electricity demand is a very important task for the agents of the Electricity Generation and Distribution Sectors. In this study we present a theoritical background about Brazil's Power Sector Conjuncture and also a review of Quantitative Methods used to estimate electricity consumption around the world. It is estimated a SARMAX model to the three main electricity consumption sectors with mensal data from January 2003 to September 2010.