CARLSBAD – Dina Dagy admits her family could do better when it comes to conserving energy. Her children don't always shut off the computers when they're done. The family of five leaves its outside lights on so that their runaway boxer might find its way home. And it's not uncommon for them to do two or three loads of laundry each day. But it never occurred to Beryl and Dina Dagy that their high electric bills – which run from $200 to $300 a month – would cause them problems with the law. The Dagys' home was one of 25...