Solar Energy Cost in Waltham, MA in 2026
Most Solar Energy projects in Waltham, MA cost between $19,500 and $37,000. The typical price is $27,000.
Labour and materials in Waltham run about 20% 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 Waltham, MA
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.46 |
| Mid-range | $3.35 |
| High-end | $4.69 |
Solar panel installers in Waltham, MA
Businesses listed on Google near Waltham, MA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Boston Solar
4.7(1,360 reviews)
12 Gill St #5650, Woburn, MA 01801
Great Sky Solar
5.0(775 reviews)
3 Bow St Ste 3, Lexington, MA 02420
Colt Home Services
5.0(334 reviews)
99 Felton St, Waltham, MA 02453
Newport Electric
5.0(164 reviews)
10 Oak St Ste 7, Needham, MA 02492
Future Energy Solar
4.9(119 reviews)
21 Olympia Ave Unit v, Woburn, MA 01801
Calnan’s Energy Systems, Inc.
4.8(26 reviews)
105 Harvard St #5, Waltham, MA 02453