The Callisto in Italy, Texas — In 2008, Callisto’s monthly utility bill for an all-electric dome inhabited by an active family of six averaged just $330. And that included power for running the septic system and air-conditioning a dome shed.

The Callisto in Italy, Texas — In 2008, Callisto’s monthly utility bill for an all-electric dome inhabited by an active family of six averaged just $330. And that included power for running the septic system and air-conditioning a dome shed.

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