Kingman in Mohave County, Arizona — The American Mountains (Southwest)

Powerhouse

Photographed by Adam Margolis, May 24, 2024

1. Powerhouse Marker

Inscription.
Construction of the powerplant commenced in 1907. The oil-fired generators went online in July 1909 sparking a dramatic change throughout Mohave County. In mid-December 1911, a major expansion of the facility included the delivery and installation of new boilers and generators.

When the generators went online at Hoover Dam in 1938, the former Desert Power & Water Company facility was mothballed as a standby facility. In 1940 the powerplant was dismantled with generators and equipment either sold or sold as scrap metal, and the facility was used as storage until the 1980s.

In 1984 the nonprofit Powerhouse Gang initiated work to restore and repurpose the building

Topics. This historical marker is listed in this topic list: Industry & Commerce. A significant historical month for this entry is July 1909.

Location. 35° 11.343′ N, 114° 3.522′ W. Marker is in Kingman, Arizona, in Mohave County. It can be reached from West Andy Devine Avenue, on the right when traveling east. Touch for map. Marker is at or near this postal address: 120 W Andy Devine Avenue, Kingman AZ 86401, United States of America. Touch for directions.

Regionally, this marker is in Arizona’s Colorado River Valley.

It is also in the American Southwest.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within walking distance of this marker: The Powerhouse, Kingman, Arizona (a few steps from this marker); Desert Power & Water Co. (within shouting distance of this marker); Wish You Were Here

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(within shouting distance of this marker); Locomotive Park (about 300 feet away, measured in a direct line); a different marker also named Locomotive Park (about 300 feet away); Santa Fe Locomotive No. 3759 (about 300 feet away); Kingman Veteran's Memorial (about 500 feet away); Wagon Route (about 600 feet away). Touch for a list and map of all markers in Kingman.

Photographed by Adam Margolis, May 24, 2024

2. Powerhouse Marker

Photographed by Adam Margolis, April 28, 2017

3. Powerhouse Marker

Credits. This page was last revised on October 17, 2025. It was originally submitted on August 5, 2025, by Adam Margolis of Mission Viejo, California. This page has been viewed 103 times since then and 26 times this year. Photos: 1, 2, 3. submitted on August 5, 2025, by Adam Margolis of Mission Viejo, California. • Andrew Ruppenstein was the editor who published this page.