Solar energy system tax credit.

Establishes a solar energy system tax credit. Provides that a taxpayer is entitled to a credit against the taxpayer's state tax liability for a taxable year in which the taxpayer makes a qualified investment in a solar energy system equal to the lesser of: (1) 25% of the qualified expenditures made during the taxable year; or (2) $50,000. Requires the Indiana utility regulatory commission to adopt rules governing community solar facilities not later than July 1, 2026. Provides that, not later than 180 days after adoption of the rules, an electricity supplier shall begin: (1) allowing interconnection of the electricity supplier's facilities with community solar facilities in which three or more of the electricity supplier's customers have entered into a community solar subscription; and (2) crediting the electricity supplier's subscribing customers for the amount of electricity from the community solar facility for which the customer subscribes.