Tax Incentives Assistance Project


The Tax Incentives Assistance Project (TIAP), sponsored by a coalition of public interest nonprofit groups, government agencies, and other organizations in the energy efficiency field, is designed to give consumers and businesses information they need to make use of the federal income tax incentives for energy efficient products and technologies passed by Congress as part of the Energy Policy Act of 2005 and subsequently amended several times.

Get the Latest  -  TIAP Updates

Overview of Federal Energy Efficiency Tax Incentives passed as part of the American Recover and Reinvestment Tax Act of 2009


RESNET has completed a survey of rating providers regarding the number of homes that their raters certified for the federal tax credit (2007 only). 23,702 homes were certified by RESNET during 2007, which is triple the number of homes certified in 2006. For more information, click here.

NREL Energy Savings Modeling and Inspection Guidelines for Commercial Building Federal Tax Deductions (1.9 MB PDF)


IRS Forms


Residential Energy Efficient Property Form 5695

This form is for incentives claimed for tax year 2008. Many of the  consumer incentives expired at the end of 2007 and were renewed for 2009.

2008 version of the form


New Homes: Form 8908


Commercial Solar Incentives: Form 3468 (Investment Credit)


The new Treasury and IRS tax credit guidance can be accessed as follows:

For existing residential retrofit measures (“Non-business energy property”),,id=154657,00.html

For energy efficient new home construction and manufactured housing, see:,,id=154658,00.html




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