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Solar panels in Connecticut

What a residential solar system actually costs in Connecticut in 2026 — plus incentives, payback, and how to pick a vetted installer.

Avg. system
8.5 kW
Cost / watt
$3.25
Sun hours / day
4.4
Grid rate
30.1¢

The real cost of solar in Connecticut

A typical 8.5 kW rooftop system in Connecticut runs about $27,625 installed. The federal Residential Clean Energy Credit knocks 30% off — around $8,288 — bringing the net price to roughly $19,337.

Connecticut adds its own incentive: Residential Renewable Energy Solutions. Stack that on top of the federal credit. Connecticut also exempts solar from both property and sales tax.

What you'll produce — and save

  • ~10,921 kWh/year from a 8.5 kW system at 4.4 peak sun hours.
  • At 30.1¢/kWh that's $3,287/yr off your electric bill in year one.
  • Estimated payback: 5.9 years.
  • 25-year net savings (2.5% annual rate escalation): $92,940.

Estimates only. Actual production depends on roof orientation, shade, equipment and your utility's specific tariff.

Net metering in Connecticut

Connecticut operates under a net billing policy for residential solar exports. Exports are credited at a wholesale/avoided-cost rate rather than the retail rate. Batteries usually improve payback under this policy.

Top Connecticut metros we cover

FAQ

How much do solar panels cost in Connecticut?

A typical 8.5 kW residential system in Connecticut costs about $27,625 before incentives, or roughly $3.25 per watt installed. After the 30% federal tax credit that drops to about $19,337.

Is solar worth it in Connecticut?

With an average residential electricity rate of 30.1¢/kWh and 4.4 peak sun hours per day, a properly sized system typically pays for itself in about 5.9 years and saves roughly $92,940 over 25 years.

Does Connecticut have net metering?

Connecticut operates under a net billing policy for residential solar exports. Exact credit values vary by utility — always confirm with the specific utility serving your address.

What state incentives are available in Connecticut?

State incentive: Residential Renewable Energy Solutions. Property tax exemption: Yes. Sales tax exemption: Yes. The 30% federal Residential Clean Energy Credit also applies.

Get vetted Connecticut installer quotes.

SolarPros only lists installers who pass our licensing, insurance and reputation checks. Free to request — no pressure.

Related guides

Compare other states

Sources: EIA average residential electricity rates, NREL PVWatts sun hour data, DSIRE state incentive database, LBNL "Tracking the Sun" installed-cost benchmarks. Figures are estimates for guidance only, not a binding quote.