Ames Hydroelectric Generating Plant, San Miguel County, Colorado 1891 699 Ames Rd San Miguel Colorado 81435 USA https://en.wikipedia.org/wiki/Ames_Hydroelectric_Generating_Plant Wikipedia entry for Ames Hydroelectric Generating Plant The world's first generating station to produce and transmit alternating current for industrial use. It was built in 1891 and is still operational today. It is currently owned by Xcel Energy. yes yes