Electricity's journey from a power plant to your home is a sophisticated, multi-step process designed for maximum efficiency and safety. It begins with generation at the power plant. The power is then stepped up to a very high voltage for long-distance travel across vast landscapes using transmission lines. The electricity then arrives at a substation where the voltage is stepped down to a lower, safer level. From there, it is sent through local distribution lines to transformers on utility poles or underground vaults near your neighborhood. Finally, the voltage is reduced one last time, allowing the electricity to safely enter your home for utilization.