Solar Energy Cost in New Castle, DE in 2026
Most Solar Energy projects in New Castle, DE cost between $18,000 and $34,000. The typical price is $24,000.
New Castle 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 New Castle, DE
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.23 |
| Mid-range | $3.03 |
| High-end | $4.25 |
Solar panel installers in New Castle, DE
Businesses listed on Google near New Castle, DE. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Venture Home
4.9(295 reviews)
36 Brookside Dr, Wilmington, DE 19804
TerraSol Energies, Inc.
5.0(178 reviews)
64 Watkin Ave, Chadds Ford, PA 19317
SunLife Solar – Solar Panel Installation & Energy Solutions (NY, NJ, CT)
4.7(122 reviews)
3 Germay Dr Unit 4-1478, Wilmington, DE 19804
Zenergy Solar & Roofing
5.0(61 reviews)
520 Robinson Ln, Wilmington, DE 19805
New Earth Solar
4.9(32 reviews)
254 Chapman Rd 208 ste, Newark, DE 19702
Arise Solar LLC
4.7(16 reviews)
4 Donald Preston Dr, Newark, DE 19702