Connecticut Solar Guide 2026
Everything Connecticut homeowners need to know: costs, incentives, net metering policy, and what makes this state unique for solar.
Key fact about Connecticut solar
Connecticut has some of the highest electricity rates in the US (~$0.26/kWh), making solar payback fast despite modest sun hours. The Smart-E loan program offers 0% financing for qualified buyers.
Peak sun hours
4.2
hrs/day avg
Avg electricity rate
26.0¢
per kWh
Median install cost
$3.2/W
before incentives
Typical payback
8 yrs
8 kW system, avg usage
Typical 8 kW system in Connecticut
Annual production
12,264 kWh
Year-1 savings
$3,189
System cost (est.)
$25,600
No federal tax credit — Section 25D expired December 31, 2025.
Connecticut Net Metering Policy
Netting (virtual net metering at Eversource/UI)
Connecticut uses a "netting" arrangement where excess generation offsets future bills at retail. The Smart-E Loan and Residential Solar Investment Program provide additional incentives beyond net metering.
Connecticut Solar Incentives
Available in addition to any utility rebates. Federal 25D credit is $0 for homeowner-owned systems from 2026.
- ✓Residential Solar Investment (RSIP) — varies by utility
- ✓Smart-E zero-interest loan program
- ✓Property tax exemption
- ✓Sales tax exemption
Top Utilities in Connecticut
Interconnection timeline: 6–12 weeks
Calculate your Connecticut solar economics
Our calculators are pre-filled with Connecticut data. Run any tool below.