Spectral analysis of retrospective data on power consumption

Issues of building power consumption forecasting techniques is paid a lot of attention because of it depend many indicators of the effectiveness of a single electricity retail company and, ultimately, the tariff for customers on the market price formed on the day-ahead market (DAM). The aim of the research is the spectral analysis of retrospective data of “Omsk Energy Retail Company” at various intervals. Spectral analysis revealed the patterns of time-series data on power consumption.