Solar Energy Cost in Decatur, IL in 2026
Most Solar Energy projects in Decatur, IL cost between $19,000 and $36,000. The typical price is $26,000.
Labour and materials in Decatur run about 12% 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 Decatur, IL
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.35 |
| Mid-range | $3.21 |
| High-end | $4.49 |
Solar panel installers in Decatur, IL
Businesses listed on Google near Decatur, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Route 66 Solar
4.8(119 reviews)
1 W Old State Capitol Plaza Ste 505, Springfield, IL 62701
Route 66 Solar
4.8(82 reviews)
1807 S Neil St Ste 3, Champaign, IL 61820
New Prairie Solar
4.9(55 reviews)
2005 N Linview Ave Unit D, Urbana, IL 61801
Sangamon Solar
5.0(44 reviews)
807 Dennison Dr, Champaign, IL 61820
Solar Tan - Forsyth
4.6(61 reviews)
849 US-51 Ste a, Forsyth, IL 62535
Assured Insulation
4.6(31 reviews)
1960 S Taylorville Rd, Decatur, IL 62521