New Jersey has long been a national powerhouse in residential solar adoption. In 2026, through the Successor Solar Incentive (SuSI) program and strong tax protections, the Garden State offers one of the most lucrative solar ROIs in the country.
1. The NJ SuSI (SREC-II) Program Explained
Under the SuSI Administratively Determined Incentive (ADI) pathway, residential solar owners receive an administratively fixed credit of approximately $85 per SREC-II (1,000 kWh generated) for 15 full years. An 8 kW system producing ~10,000 kWh per year earns an extra $850 per year in pure cash payouts on top of monthly electricity bill savings.