Solar Panel Cost in Connecticut (2026)
Installed solar in Connecticut runs about $3.10 per watt — roughly 20% above the national average of $2.58/W. With the federal residential tax credit (25D) gone as of 2026, payback here rests on a $0.28/kWh power price and 4.3 daily peak sun hours.
Worked example: a typical $150/month home in Connecticut
A $150/month electric bill in Connecticut works out to about 6,429 kWh a year. Sizing a cash-purchase system to cover 100% of that:
System size
5.2 kW
Panels
13
Annual offset
102%
Gross cost
$18,620
Federal credit (25D)
$0
Expired 12/31/2025 — $0
State incentive
$0
Net cost
$18,620
Payback
9.0 yr
25-year savings
$47,880
Last updated June 30, 2026
Connecticut solar numbers
- Installed price
- $3.10 / watt
- Electricity price
- $0.28 / kWh
- Peak sun hours
- 4.3 hrs/day
- State incentive
- 0%
- Net-metering value
- 100% of retail
Local context: Expensive grid power is the main driver; Connecticut's netting tariff replaced classic net metering in 2022.
Estimate your own Connecticut system
Adjust the bill, ownership, and battery options below — it's pre-set to Connecticut's pricing and sun hours.
Estimated system cost
$21,593–$28,047
7.2 kW18 panels
Low $22kMost likely ~$24,820High $28k
Federal tax credit
— expired Dec 2025, we won't pretend otherwise
$0
State & utility incentives
$0
Est. annual savings
$2,531
Payback period
~8.7 yr
Net cost
$22k–$28k
25-year net savings
+$67,257
iA ballpark estimate for planning — not a final quote.
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