How did Edison’s electrical power system help make incandescent lamps useful in cities?

Thomas Edison’s electrical power system was essential to the success of the incandescent lamp because it provided the necessary infrastructure to distribute electricity safely and reliably to homes and businesses.12

While earlier arc lamps were connected in a series circuit—meaning the failure of one light would cause the entire system to fail—Edison devised a parallel circuit system. By subdividing the current, he ensured that individual lamps could operate independently. To support this, Edison developed the required dynamos, power lines, and other equipment, culminating in the opening of the first permanent, commercial central power system in lower Manhattan in 1882.34

This comprehensive approach allowed electric lighting to move beyond isolated, single-building installations and compete effectively with existing gas lighting in urban environments. By creating a practical, scalable distribution network, Edison transformed the incandescent bulb from a laboratory experiment into a functional utility for city life.324