There are many incentives available to help offset the cost of installing a new solar heating system, including rebates, which are the most cost-reducing. Texas does not provide rebates directly, but through the public utility companies.
Texas has rebate programs administered by eleven different utility companies around the state. A few of the available programs- Austin Energy Solar PV Rebate Program offers $3.75 -$5.60W, Bryan Texas Utilities (BTU) offers $4W, Texas/New Mexico Power Company offers an incentive of $2.50W.
Texas Tax Incentives
Franchise tax deductions in the amount of 10% of the amortized cost of the installed system are available to corporations. Additionally, Texas offers exemption from property tax and franchise tax for the basis of the solar property installed.
Additional programs are available through the federal government and full details can be found at the DSIRE:Database of State Incentives for Renewables & Efficiency.