Solar panel inspection in Connecticut

Connecticut (CT)

Connecticut is in a cold climate zone with an average of 4 peak sun hours per day. Soiling risk is low, and solar adoption is moderate. Here's what CT solar owners should watch for.

Climate zone

cold

Avg sun hours

4 hrs/day

Soiling risk

low

Solar adoption

moderate

Common issues in Connecticut

Natural panel degradation

All solar panels lose efficiency over time at roughly 0.5–0.8% per year. Accelerated in extreme heat or poorly manufactured panels.

Typical loss: 315%

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Based on conservative solar performance modelling and published degradation data

NRELIEA-PVPSSunSpecPVsyst+ published research

Updated April 2026 · Structured performance modelling

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