Springfield (The Simpsons) endowed with flippered mutants. In the Season 25 episode "Homerland", he comments that the air conditioning system has never worked properly. In one episode, Mr. Burns mentions that he owns the electric company as part of his power monopoly. The design and folly of Springfield Nuclear Power Plant is often rumored to be based on the troubled Trojan Nuclear Power Plant (closed in 1993 due to defects) near Matt Groening's home town of Portland, Oregon, or the Hanford Site in southeastern Washington. However, Antonia Coffman, Groening's publicist, has said that the Springfield plant's design is generic and that "the Springfield
Springfield (The Simpsons) wrapped in an enigma that is Springfield's location", but Lisa Simpson states that "it's a bit of a mystery, yes. But if you look at the clues, you can figure it out." Episodes frequently make fun of the fact that Springfield's state is unidentifiable by adding further conflicting descriptions, obscuring onscreen map representations, and interrupting conversational references. The 2012 episode "Beware My Cheating Bart" played upon the unidentifiability of the state in its opening chalkboard gag, which stated that "The true location of Springfield is in any state but yours". David Silverman, who directed the movie and various episodes of