What development necessitated the long-distance transmission of electrical energy?

The development that necessitated the long-distance transmission of electrical energy is linked to water-powered generation sites, particularly hydroelectric plants. These facilities often require a significant amount of water flow, which is typically available near large bodies of water, such as rivers or dams. Consequently, the locations of hydroelectric power plants are often far from urban centers where the electricity is consumed.

To effectively utilize the energy generated at these distant sites, long-distance transmission lines are essential. These lines allow for the efficient transfer of electricity over vast distances, distributing the power to areas where it is needed most. Therefore, the advent and proliferation of hydroelectric power generation were pivotal in shaping the infrastructure for long-distance electrical energy transmission, focusing on maximizing the effective use of renewable water resources.

Conversely, coal, solar, and nuclear power generation do have their own transmission needs, but they tend to be more localized or can be strategically placed to consider proximity to consumption sites. The nature of hydroelectric power generation, however, inherently calls for long-distance transmission capabilities due to its operational site constraints.