Electric Power Consumers and Power System

1. An electric power consumer is an enterprise utilizing electric power. Its operating characteristics vary during the hours of day, days and nights, days of week and seasons.
2. All electric power consumers are divided into groups with common load characteristics. To the first group belong municipal consumers with a predominant lighting load: dwelling houses, hospitals, theatres, street lighting systems, mines, etc.
3. To the second group belong industrial consumers with a predominant power load (electric motors): industrial plants, mines, etc.