Consumers who install solar energy systems (including solar water heating and solar electric systems), small wind systems, geothermal heat pumps, and residential fuel cell and microturbine systems can receive a 30 percent federal tax credit for systems placed in service before Dec. 31, 2016.

The previous federal tax-credit cap no longer applies.

For more information on ways to save money by using federal tax credits for energy efficiency improvements, go to:

Tax Credits for Energy Efficiency

—Peter Bacque