Solar Electrical Cost in Janesville, WI in 2026
Most Solar Electrical projects in Janesville, WI cost between $18,000 and $34,000. The typical price is $24,000.
Janesville prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
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 Janesville, WI
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.23 |
| Mid-range | $3.03 |
| High-end | $4.25 |
Solar panel installers in Janesville, WI
Businesses listed on Google near Janesville, WI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Drews Solar
5.0(159 reviews)
533 Spruce St, Madison, WI 53715
Midwest Solar Power
5.0(137 reviews)
820 Walsh Rd, Madison, WI 53714
All Energy Solar
4.7(104 reviews)
5 Marsh Ct, Madison, WI 53718
Madison Mobile Solar, LLC
5.0(45 reviews)
151 E Badger Rd # C, Fitchburg, WI 53713
Westphal & Co Inc.
4.4(29 reviews)
4265 Capital Cir, Janesville, WI 53546
Agsun Corporation
4.4(27 reviews)
1321 S Jackson St, Janesville, WI 53546