Collin County is served by Oncor and is part of the Dallas-Fort Worth solar market. Compare free quotes from licensed solar installers serving Collin County homeowners.
Collin County homeowners are eligible for the federal 30% Investment Tax Credit, the Texas property tax exemption (TX Tax Code §11.27), and the Texas sales tax exemption on solar equipment. Oncor handles interconnection for most residential installations in Collin County.
Texas homeowners have no state income tax, so the federal ITC is especially critical. On a $28,000 system, that's $8,400 back at federal tax time.