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) City Television" use of Melonville, a town with a large cast of recurring characters that serves as a mini-universe for the show, and partially based "The Simpsons" on it. Because of the many contradictory statements regarding Springfield, it is impossible for the town to exist in a specific state. In "The Simpsons Movie", Ned Flanders tells Bart that Springfield is bordered by the states of Ohio, Nevada, Maine, and Kentucky - of which only Ohio and Kentucky are real neighbouring states. The city's unknown and unknowable geography is a recurring joke in the series; one newspaper called it the "riddle