What is typically a result of high voltage transmission lines?

High voltage transmission lines are designed to transport electricity efficiently over long distances. The primary advantage of using high voltage for transmission lies in the reduction of power losses that occur due to the resistance in the wires. When electricity travels through a conductor, some energy is lost as heat due to resistance; this loss is proportional to the square of the current flowing through the conductor. Therefore, by transmitting electricity at a higher voltage, the current can be decreased for the same amount of power delivery. This significantly lowers the I²R losses (where I represents current and R represents resistance), leading to a more efficient system.

This efficiency gain allows utilities to deliver electricity over vast distances with less energy wasted, making high voltage transmission a fundamental aspect of modern electrical grid design. The result is that high voltage lines can connect power generation sources, like wind or hydropower plants situated far from populated areas, to consumers while minimizing the amount of energy lost during transmission.