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
Bart Sells His Soul with Milhouse — more frightening than funny. ... An illustration of just how far the series could go by this point." In April 2003, the episode was listed by "The Simpsons" creative team as among the top five best episodes of the series, including "Last Exit to Springfield", "Cape Feare", "22 Short Films About Springfield", and "Homer at the Bat". In a 2005 interview "The Simpsons" creator Matt Groening commented "I don't have a single favorite. There's a bunch I really like", but cited "Bart Sells His Soul" and "Homer's Enemy" as among episodes he loves. Bart's voice actress Nancy