Our Professional Answer: The fundamental difference lies in their purpose and scale. power transmission is the "bulk movement" of electricity, akin to a superhighway for power. It’s designed to transport large amounts of electricity over long distances from generating plants to regional substations with minimal loss. In contrast, power distribution is the final leg of the journey, acting as the "local streets" that deliver electricity to end-users such as homes, businesses, and industrial facilities. It is a local network that operates over shorter distances.