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Clean Solar vs Sunwise Solar Solutions

Santa Clara Solar Contractors Comparison · Updated March 2026

Quick Verdict

Clean Solar brings 18 years of licensed experience versus Sunwise Solar Solutions' 2 years, a meaningful gap for complex solar and battery projects.

Clean Solar: Clean Solar is a veteran contractor with 18 years specializing in solar installations, Tesla Powerwall systems, and combination roof-solar projects across San Jose.
Sunwise Solar Solutions: Sunwise Solar Solutions is a newer contractor with 2 years licensed experience focusing on solar installations, maintenance, and repair work in Los Gatos.
Note: Sunwise Solar Solutions has only 2 years of licensed experience, which matters when diagnosing roof integration issues or handling permitting complications on complex battery backup systems.
Clean Solar Sunwise Solar Solutions
Rating 4.5 5.0
Years Licensed 18 years 2 years
License # 910849 1116133
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location San Jose, CA Los Gatos, CA
Website www.cleansolar.com sunwisesolarsolutions.com

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Key Differences

The defining difference is Clean Solar's 18 years versus Sunwise Solar Solutions' 2 years of licensed experience. This gap has practical implications: Clean Solar has navigated nearly two decades of building code changes, evolved through multiple generations of solar technology, and accumulated pattern recognition for diagnosing problems like roof damage discovered mid-installation or utility interconnection issues. Their specialization in Tesla Powerwall and whole-house battery backup systems reflects experience with complex electrical integration that newer contractors often avoid. Customer feedback suggests Clean Solar invests heavily in educational consultations and project planning, likely drawing on years of lessons learned. Sunwise Solar Solutions demonstrates technical competence and competitive pricing typical of newer businesses, with customers noting timely completion and careful roof protection during panel removal. Their high owner involvement suggests hands-on quality control but also limited crew capacity. Both handle standard installations competently, but Clean Solar's track record with combination roof-solar projects and battery systems indicates deeper expertise for complicated scenarios.

What Customers Say

Clean Solar

Clean Solar customers emphasize thorough educational consultations, patient explanations of technical details, and responsive communication throughout multi-stage projects.

Sunwise Solar Solutions

Sunwise Solar Solutions customers highlight timely project completion, competitive pricing, and careful attention to protecting roofing materials during panel work.

Key Takeaway: Clean Solar's feedback centers on comprehensive project planning and customer education suggesting experience-driven confidence, while Sunwise's reviews emphasize execution speed and value typical of newer contractors building their reputation.

Customer Reviews

Clean Solar

Jan 2026

Support group was very resonsive to my questions within hours. Great to have knowegeable help when it's needed.

Dec 2025

Project: add whole-house battery backup to a 20 year-old home with existing solar PV system. I had three goals: 1. Load shifting (provide electricity during peak energy charges) 2. Provide backup pow...

Oct 2025

My husband and I had a terrific and lengthy phone experience where Art explained in depth about solar panels and batteries. He was patient in answering all our questions and very generous with his t...

Sunwise Solar Solutions

Feb 2025

After dealing with Sunpower delays for over a year and then finding out they went bankrupt, I was tired of a large company that made it difficult to reach the persons in charge. I was referred to Sunw...

Feb 2025

I have called this company out multiple times, to fix various issues with my solar installation and roof leaks; Samir has done an excellent job in handling all issues that he is faced with. I look fo...

Feb 2025

My roof had a leak that required the removal of the solar panels. Sunwise Solar Solutions got the job done on time and with a great price. Sam kept me informed about all the work that was done. I'm pl...

Consider Clean Solar if...

  • Your project involves Tesla Powerwall, whole-house battery backup, or other complex electrical integration requiring extensive permitting experience and utility coordination knowledge
  • You're combining solar installation with roof replacement, where diagnosing hidden structural damage requires pattern recognition from hundreds of prior projects
  • You're expanding an existing older solar system where compatibility issues and grandfathered code exceptions require historical knowledge
  • You value detailed educational consultations and patient explanation of technical details throughout the project planning phase
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Consider Sunwise Solar Solutions if...

  • Your project is a straightforward residential solar installation without battery backup or significant roofing complications
  • You're price-sensitive and want competitive quotes from a contractor with lower overhead typical of newer businesses
  • You need solar panel removal and reinstallation for roof repairs, where Sunwise has demonstrated careful material handling
  • You prefer high owner involvement and direct access to decision-makers throughout your project
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Questions to Ask Before Hiring

  • Ask Sunwise Solar Solutions for references from projects matching your complexity level, particularly if you're considering battery backup systems or combination roof-solar work
  • If choosing Sunwise, ask how they handle unexpected complications like concealed roof damage or permitting rejections, and whether they have established relationships with structural engineers for consultation
  • Ask Clean Solar about their current project timeline and crew availability, as veteran contractors sometimes face scheduling delays during busy seasons
  • For either contractor, request specific details about their permitting process timeline and whether they guarantee completion dates or just start dates

The Bottom Line

Clean Solar is the stronger choice for most homeowners, particularly anyone installing battery backup systems, combining solar with roofing work, or expanding existing systems where complications are likely. Their 18 years of licensed experience provides essential pattern recognition for diagnosing hidden damage and navigating permitting challenges that derail less experienced contractors. Sunwise Solar Solutions remains viable for straightforward installations on newer homes where you're prioritizing competitive pricing and high owner involvement, but understand you're accepting more risk if unexpected complications surface. For projects involving Tesla Powerwall, structural concerns, or older homes where roof condition is uncertain, Clean Solar's veteran expertise justifies any price premium. Get quotes from both, but weight Clean Solar's proposal more heavily unless your project is genuinely simple.

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Frequently Asked Questions

For straightforward installations on newer roofs with simple electrical panels, both contractors can handle the work competently. The experience gap becomes significant when complications arise: discovering rotted roof decking, navigating utility interconnection problems, or diagnosing why an existing electrical panel needs upgrading. Clean Solar has seen these scenarios hundreds of times; Sunwise Solar Solutions is still building that pattern recognition library.

Not necessarily, but their 2 years licensed means you're taking more risk on complex projects. They carry proper insurance and bonding, and customer feedback shows technical competence and careful work. However, for projects involving Tesla Powerwall integration, structural modifications, or combination roof-solar work, Clean Solar's 18 years provides substantially more safety margin when unexpected issues surface mid-project.

Clean Solar has explicit experience with Tesla Powerwall and whole-house battery backup systems, with customers specifically mentioning these projects. Battery integration requires coordinating with existing solar equipment, utility requirements, and complex electrical panel work. Sunwise Solar Solutions' limited track record doesn't show battery specialization, making Clean Solar the clearer choice for this specific need.

Possibly. Newer contractors often have lower overhead and price more competitively to build their customer base, and reviews mention Sunwise's competitive pricing. However, compare total project costs including warranties and ask what happens if complications arise requiring additional work. Sometimes veteran contractors' upfront estimates better account for hidden issues that newer contractors discover mid-project and charge extra to address.

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How We Compare Contractors

License Verification

All license data is sourced from official California CSLB records and verified regularly.

Review Analysis

Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.

Detailed Comparison

We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.

Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.

  • Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
  • Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
  • Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
  • Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.

Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.

Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 13, 2026.

This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.

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