National Research Tomsk Polytechnic University Tomsk Russia;
National Research Tomsk Polytechnic University Tomsk Russia;
National Research Tomsk Polytechnic University Tomsk Russia;
National Research Tomsk Polytechnic University Tomsk Russia;
Autoregressive Integrated Moving Average Method; Artificial Neural Networks; Classification and Regression Trees; Electricity Consumption; Ener-gy Forecasting;