The federal tax credits for energy efficiency technologies are available again!
The really good news is that those who purchased GE GeoSpring Hybrid water heaters in 2012 as well as those who will purchase them in 2013 may qualify for a $300 tax credit.
Specific tax details can be found at the following link: http://www.dsireusa.org/incentives/incentive.cfm?Incentive_Code=US43F