Rhode Island Solar Incentives, Tax Credits & Rebates 2026
State-program snapshot: 2026-01 · Federal status reviewed: 2026-08-06Cost Context
An illustrative 41.8 kW system using the historical observed average cost in Rhode Island is $173,470. New federal residential credit for a 2026 installation: $0. Modeled annual savings before financing: $14,661.
Federal Residential Credit Status
Residential Clean Energy Credit
Ended for new 2026 systems0% for property placed in service in 2026
IRS guidance states that the 30% credit applied to qualified residential clean-energy property installed from 2022 through December 31, 2025. It is not available for property placed in service after that date.
Eligibility
No new residential credit for a system first placed in service in 2026. A previously earned unused credit may be eligible for carryforward under IRS rules.
Primary source
IRS Residential Clean Energy Credit guidance ↗Rhode Island State Program Snapshot
Renewable Energy Growth (REG) Program
PerformanceFixed incentive payment for 15-20 years
Performance-based incentive providing fixed payments per kWh for qualifying solar installations.
Net Metering
Net MeteringFull retail rate
Full retail net metering.
State and utility programs can change between reviews. Confirm eligibility, funding and deadlines with the administering agency or utility before relying on this snapshot.
Tax Exemptions
property tax Exemption
Solar installations are exempt from property tax assessment increases.
sales tax Exemption
Solar equipment is exempt from state sales tax.
Highlights & Drawbacks
Highlights
Drawbacks
State-program sources: DSIRE, state energy offices and utilities; snapshot dated 2026-01. Programs, funding and eligibility can change without notice. Federal residential status reviewed against IRS guidance on August 6, 2026.