The Best Home Solar in Washington, CA

Compare the highest-rated home solar professionals in Washington, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

SunPower by Stellar Solar

4.8
(180 reviews)
Verified

A top-tier SunPower Master Dealer, this company is known for installing high-efficiency solar panels and robust battery storage solutions (SunVault). They offer comprehensive services from design and financing to maintenance, with a strong focus on customer education and premium equipment.

501 West Broadway, Suite 105, San Diego, CA 92101 (Corporate Office - serves statewide)

Specialties & Features

High-efficiency solar panel installation
Battery storage system installation
Comprehensive solar financing options

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

PetersenDean Roofing & Solar

4.2
(250 reviews)
Verified

A large, established residential solar and roofing contractor with a significant presence throughout California. They are known for handling both roof replacements and solar installations, offering in-house financing and focusing on making the process turnkey for homeowners.

2380 Charter Point Dr, Manteca, CA 95337 (One of multiple NorCal locations - serves the region)

Specialties & Features

Integrated solar and roofing services
Solar financing and leasing options
Grid-tied solar solutions

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

Solar Harmonics

4.7
(90 reviews)
Verified

A well-regarded, locally-focused installer based in Grass Valley that specializes in serving the unique needs of Northern California and Sierra foothill communities. They are known for their expertise in both grid-tied and complex off-grid systems, making them an excellent choice for more rural properties.

112 Colfax Ave, Grass Valley, CA 95945

Specialties & Features

Off-grid and grid-tied solar solutions
Energy efficiency assessments
Custom solar system design

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Washington

** The home solar market in the region surrounding Washington, CA is characterized by a mix of large statewide operators and specialized local installers. The average quality is high, driven by California's strict licensing requirements and high consumer awareness. Competition is strong, which benefits homeowners through competitive pricing and a variety of service options. Typical pricing for a residential system ranges from $15,000 to $30,000 before the 30% federal tax credit, heavily dependent on system size (typically 5kW to 10kW), equipment quality, and the complexity of the installation, especially with the region's variable terrain and potential for off-grid needs. The market is heavily influenced by state incentives like Net Energy Metering (NEM) and a high demand for battery storage due to both wildfire-related Public Safety Power Shutoffs (PSPS) and the desire for energy independence.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Washington regulations and climate

Frequently Asked Questions About Home Solar in Washington

Get answers to common questions about home solar services in Washington, California.

1How much does a home solar system cost in Washington, and are there any state-specific incentives?

In Washington, the average gross cost for a residential solar system ranges from $15,000 to $25,000 before incentives. Crucially, Washington residents benefit from a state sales tax exemption on solar equipment and installation, and the state's production incentive program (which is currently transitioning) can provide additional financial benefits. Combined with the 30% federal tax credit, these incentives significantly reduce the net cost.

2Does Washington's rainy and cloudy climate make solar panels ineffective?

While Washington has fewer peak sun hours than California, modern high-efficiency solar panels still perform very well in diffuse light and cooler temperatures. Systems are sized to account for local climate, and the long summer days with extended sunlight help balance production. Importantly, net metering with your local utility (like PSE or Avista) allows you to bank excess summer generation to offset your usage during darker winter months.

3What is the process and timeline for getting solar installed on my Washington home?

The full process, from consultation to activation, typically takes 2 to 4 months. After system design and signing a contract, your installer will handle permits with your city/county and interconnection agreements with your utility. A key Washington-specific step is ensuring your system complies with the state's electrical code and any local aesthetic guidelines. Installation itself usually takes 1-3 days, followed by final inspections and utility approval to "turn on" the system.

4How do I choose a reputable solar provider in Washington?

Prioritize providers who are locally established and understand Washington's specific incentives, utility rules, and permitting jurisdictions. Verify they are certified by the North American Board of Certified Energy Practitioners (NABCEP) and are a licensed Washington electrical contractor. Always check reviews and ask for references from recent local installations, and compare multiple detailed quotes that outline equipment, production estimates, and warranty coverage.

5What happens to my solar panels if I sell my house in Washington?

Solar panels typically increase your home's value and marketability in Washington. Studies show homes with solar sell faster and for a premium. It's important to work with a real estate agent experienced in marketing solar homes and to have your original contract, warranty details, and production history available for potential buyers. You can also transfer the remaining warranty to the new homeowner, which is a strong selling point.