Incandescent light bulb street in the world to be lit by an incandescent lightbulb was Mosley Street, Newcastle upon Tyne, United Kingdom. It was lit by Joseph Swan's incandescent lamp on 3 February 1879. Thomas Edison began serious research into developing a practical incandescent lamp in 1878. Edison filed his first patent application for "Improvement In Electric Lights" on 14 October 1878. After many experiments, first with carbon in the early 1880s and then with platinum and other metals, in the end Edison returned to a carbon filament. The first successful test was on 22 October 1879, and lasted 13.5 hours. Edison continued
Edison Electric Institute Edison Electric Institute The Edison Electric Institute is the association that represents all U.S. investor-owned electric companies. Its members provide electricity for 220 million Americans, operate in 50 states and the District of Columbia, and directly employ more than one million workers. EEI has 70 international electric companies as Affiliate Members, and 250 industry suppliers and related organizations as Associate Members. Organized in 1933, EEI provides public policy leadership, strategic business intelligence, and essential conferences and forums. Members of the Edison Electric Institute are investor-owned utility companies, meaning that they are privately-held companies that supply power and electricity to businesses