Solar Thermal Cost in Connecticut in 2026
Most Solar Thermal projects in Connecticut cost between $5,000 and $10,000. The typical price is $7,000.
Solar thermal serves hot water rather than the whole electrical load, so systems are smaller.
Labour and materials in Connecticut run about 14% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Panel efficiency and inverter type
- Roof complexity and mounting hardware
- Main panel upgrade if the busbar cannot take the backfeed
- Battery storage, which is priced separately
Usually included
- Panels, inverters and racking
- Design, permitting and interconnection
- Installation and commissioning
Usually extra
- Battery storage
- Roof repair or replacement before install
- Utility interconnection fees in some territories
Unit prices in Connecticut
| Quality tier | Cost per watt |
|---|---|
| Budget | $1.31 |
| Mid-range | $1.78 |
| High-end | $2.50 |