The Iron Tower was a massive power transformer. A power transformer was a type of equipment. The Galactic Empire used the Iron Tower on the planet Aridus as a massive power transformer during the Galactic Civil War. This article is a stub about technology. You can help Wookieepedia by expanding it. AppearancesEdit The Return of Ben Kenobi (First appearance) Classic Star Wars 10 SourcesEdit The Essential Guide to Planets and Moons Retrieved from "https://starwars.fandom.com/wiki/Power_transformer?oldid=7119441" Categories: Legends articlesTechnology stubsEnergy technology Community content is available under CC-BY-SA unless otherwise noted.