Residential Geothermal Systems Credit

A resident individual taxpayer of Montana who installs a geothermal heating or cooling system in his or her principal dwelling is eligible for a tax credit based on the installation costs of the system. The credit may not exceed $1,500, and only one credit may be claimed per household. If not used fully in the first year the system is installed, the credit may be carried forward for the 7 succeeding tax years. 

Use Montana Department of Revenue Form ENRG-A to claim this tax credit.