Solar Energy Cost in Maple Valley, WA in 2026
Most Solar Energy projects in Maple Valley, WA cost between $19,000 and $36,000. The typical price is $26,000.
Labour and materials in Maple Valley run about 13% 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 Maple Valley, WA
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.37 |
| Mid-range | $3.23 |
| High-end | $4.52 |
Solar panel installers in Maple Valley, WA
Businesses listed on Google near Maple Valley, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Northwest Electric and Solar
4.9(321 reviews)
18001 73rd Ave NE, Kenmore, WA 98028
True Blue Roofing and Siding
4.8(294 reviews)
18407 Renton-Maple Vly Rd, Maple Valley, WA 98038
MAD Energy NW
5.0(146 reviews)
19420 SE 332nd Pl, Auburn, WA 98092
Puget Sound Solar
4.8(93 reviews)
805 Rainier Ave S, Seattle, WA 98144
Unlimited Electric LLC
5.0(57 reviews)
23511 SE 243rd St, Maple Valley, WA 98038
Sun Path Electric
4.9(43 reviews)
309 S Cloverdale St Bldg C, unit 26, Seattle, WA 98108