Among the highest electric rates in the lower 48; payback often under 7 years.
Avg residential rate27.5¢ / kWh
Avg system cost$3.05 / W ($28,975 for 9.5 kW)
Peak sun hours / day4.3
Net meteringSuccessor Tariff
State tax creditNone
Federal tax credit30% (Residential Clean Energy Credit, through 2032)
Property tax exemptionYes
Sales tax exemptionYes
Connecticut payback by monthly electric bill
The bigger your current bill, the faster solar pays back. Here's how the numbers work out for a typical Connecticut home:
Monthly bill
System size
Gross cost
Federal credit
State credit
Net cost
Year-1 savings
Payback
$100
3.4 kW
$10,340
−$3,102
$0
$7,238
$1,141
6 yr
$150
5.1 kW
$15,494
−$4,648
$0
$10,846
$1,710
6 yr
$200
6.8 kW
$20,649
−$6,195
$0
$14,454
$2,279
6 yr
$300
10.2 kW
$30,988
−$9,296
$0
$21,692
$3,420
6 yr
Assumes 95% bill offset, 3% annual rate inflation, 0.5% annual panel degradation, and a 25-year system life.
Calculate your exact Connecticut solar payback
Enter your real monthly electric bill to see your personalized payback estimate.
Best path forward in Connecticut
The fastest, free way to see real installer quotes for your roof is to use a marketplace like EnergySage. You'll get up to 4 competing bids from local pros without phone harassment.
Frequently asked questions about solar in Connecticut
How long does it take for solar panels to pay for themselves in Connecticut?
For a typical Connecticut home with a $150/month electric bill, a 5.1 kW system pays for itself in about 6 years. Higher bills (or higher state incentives) shorten this; lower bills lengthen it.
What's the average cost of solar panels in Connecticut?
Connecticut installers average $3.05 per watt before incentives. A typical 9.5 kW system costs roughly $28,975 gross, or about $10,846 after federal and state credits.
Does Connecticut offer a state solar tax credit?
Connecticut does not offer a state-level solar tax credit. However, the 30% federal Residential Clean Energy Credit still applies, and there may be utility rebates in your service area.
Does Connecticut have net metering?
Connecticut replaced retail net metering with a successor tariff that credits exports at less than the full retail rate. Solar still pays back, but adding battery storage can recover much of the lost value.
Are solar panels worth it in Connecticut in 2026?
For most Connecticut homeowners with a monthly electric bill above $100, the answer is yes — payback typically lands between 4.2 and 7.8 years depending on roof orientation, shade, and incentive timing. The 30% federal credit is locked in through 2032, removing a major timing risk.