1891 - World's First AC Electric Service Established Near Ophir, Colorado
Location: Ophir, San Juan Mountains of southwest Colorado, United States.
Event: Alternating Current (AC) electric power transmitted a significant distance over wires for the first time anywhere.
Source of AC electricity: A new hydroelectric power generating station at Ames.
Destination: Gold King Mine near Ophir, about 2.5 miles from Ames.
Another AC hydroelectric generator at Bridal Veil Falls, built in 1895, electrified the nearby the Smuggler-Union Mine and the mining town of Telluride.
Ames hydroelectric generating station - October 2017. Linecurrents photo.