Connecticut incentive guide
See Connecticut solar compensation, storage and efficiency programs for Eversource and United Illuminating customers across the state.
Verified November 2026; programs and funding can change. Incentives, rebates and tax credits depend on your utility, location, income, equipment, project details and program funding at the time you apply. Quest Solar does not guarantee eligibility or amounts and does not provide tax advice; consult a qualified tax professional about tax credits.
For homeowners
Programs that can reduce the installed price, avoid certain taxes or create ongoing value from the electricity your system produces.
Pays for or credits solar generation
20-year Buy-All or Netting tariff
The installer applies during interconnection. Income-eligible customers can receive a 2.5¢/kWh adder and eligible distressed-municipality projects a 12.5¢/kWh adder. Connecticut extended the program through 2035.
Official source: Connecticut DEEP program table (opens in a new tab)
Reduces total ownership cost
Qualifying systems may avoid sales tax and added-value property tax
Connecticut provides a sales-tax exemption certificate for qualifying solar systems. Property owners apply to their town assessor for the renewable-energy property-tax exemption.
Official source: Connecticut sales-tax exemptions (opens in a new tab)
For businesses and property owners
State programs, tax treatment and financing that can improve commercial project economics. Federal 48E rules are reviewed separately with your tax advisor.
Provides predictable generation value
Long-term tariff selected through the applicable utility program
Connecticut extended its commercial renewable-energy program through 2035. Availability, tariff selection and project rules depend on Eversource or United Illuminating procedures.
Official source: Connecticut 2026 energy legislation (opens in a new tab)
Reduces project carrying cost
Sales- and property-tax exemptions may apply
Eligibility depends on equipment, ownership and local assessment. Quest supplies project documentation; the business and assessor confirm tax treatment.
Official source: Connecticut renewable property exemption form (opens in a new tab)
Heating and cooling
Mini-splits are air-source heat pumps. Rebate eligibility normally depends on the utility account, equipment rating, existing heating system and approved-contractor rules.
Reduces installation cost
$1,500 per ton, up to $10,000 for qualifying primary-heat replacement
For eligible Eversource or United Illuminating customers with installations from September 1, 2026 that replace or integrate qualifying fossil-fuel or electric-resistance primary heat. A participating contractor and eligible equipment are required.
Official source: Energize CT residential optimization (opens in a new tab)
Helps with replacements and cooling-focused projects
$250 per ton, up to $2,500 per home; $500 weatherization bonus may apply
This lower tier covers qualifying replacement heat pumps, newly conditioned space or cooling-only uses. Current forms and preconditions control.
Official source: Energize CT 2026 heat-pump form (opens in a new tab)
Offsets eligible business HVAC work
Measure- and program-path specific
Commercial incentives vary between retrofit and new-construction paths. A formal 2026 new-construction path lists $640 per heating ton for qualifying air-source heat pumps, subject to caps and project rules.
Official source: Energize CT commercial program form (opens in a new tab)
Share your address, utility and goals. We will verify the current programs before preparing your proposal.