Episode 2 of 2

Operational Launch

When
19 June 1891
Where
Ames Hydroelectric Generating Plant
Part of
First long-distance AC transmission from the Ames power plant

The Ames plant became operational in June 1891, running continuously for the first 30 days to power the Gold King Mine.

The power system became operational on 19 June 1891 and was run continuously for the first 30 days. It supplied power to the Gold King Mine, located 3.5 miles away. This marked the first successful demonstration of long-distance transmission of industrial-grade alternating current power.

Sources

  1. Ames Hydroelectric Generating Plant Wikipedia, revision of 2026-01-06
  2. Telluride, Colorado Wikipedia, revision of 2026-10-08

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.