There are technological breakthroughs on the horizon that will make solar power much cheaper than the grid. Power companies are going to pay you to put solar panels up on your roof and let them have the power you don't use.
Rocky Mountain Power already has a subsidy program. This year's oversubscribed and they picked through a lottery. [MENTION=14]colton[/MENTION] could have gotten an additional $4400 subsidy had he won the lottery.
RMP wants the REC's to sell.