Which state do you live in? That will in large determine weather or not PGE would get involved. In alot of instances, they like you as a customer because they are making a ton of money off you. In super conservative states, they might flag you... but really, $500 a month really isn't THAT high.

Re: The person who said you could save money by switching your clones to 18\6

Be aware that this will cause unstable humidity and likely make your cloning more difficult.