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Atrina Solar vs M Multiwire Electric

Santa Clara Electrical Contractors Comparison · Updated March 2026

Quick Verdict

You're comparing a solar installer to an electrician, but M Multiwire Electric's missing workers compensation creates liability risk if injuries occur on your property.

Atrina Solar: Solar-focused contractor with five years of licensing, workers comp coverage, and customer feedback emphasizing competitive pricing alongside quality installations.
M Multiwire Electric: Owner-operated electrical contractor with nine years of experience but no workers compensation insurance on file, raising potential liability concerns for homeowners.
Note: M Multiwire Electric operates without workers compensation insurance, meaning you could be liable if a worker is injured during your electrical project.
Atrina Solar M Multiwire Electric
Rating 5.0 3.7
Years Licensed 5 years 9 years
License # 1077840 1027648
Workers' Comp ✓ Yes
Bond Amount $25,000 $25,000
Location Morgan Hill, CA San Jose, CA
Website

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Key Differences

The most significant difference is workers compensation coverage. Atrina Solar carries workers comp insurance, protecting you if installers are injured on your property. M Multiwire Electric has no workers comp on file, meaning a workplace injury could potentially involve your homeowner's insurance or personal liability. Beyond this insurance gap, M Multiwire Electric brings four additional years of licensing experience (nine versus five), which translates to more installations handled and more problem-solving scenarios encountered. Customer feedback reveals different operational patterns: Atrina Solar earns mentions for competitive pricing combined with quality work, while M Multiwire Electric receives praise for owner-involved customer care but has documented scheduling consistency concerns. The nine-year track record suggests M Multiwire Electric has weathered economic cycles and maintained business viability, while Atrina Solar's five years still represents substantial field experience in the rapidly evolving solar industry.

What Customers Say

Atrina Solar

Customers emphasize the combination of competitive pricing with quality solar installations, with one customer returning for a second property project.

M Multiwire Electric

Feedback highlights professional electrical work and personal customer care from owners, though scheduling reliability has been inconsistent for some customers.

Key Takeaway: Atrina Solar earns specific praise for affordability without compromising workmanship, while M Multiwire Electric's strength lies in owner-involved service despite occasional scheduling challenges.

Customer Reviews

Atrina Solar

Sep 2025

Atrina installed solar panels and a Powerwall on two of my properties. Their work is excellent, and their prices are unbeatable. It is rare to find a company that combines high quality with affordabil...

May 2024

Quality work. Strong work ethics. You will be happy you chose Atrina Solar.

Nov 2023

Not there

M Multiwire Electric

Feb 2023

Manual Mendoza replaced my power panel and two sub pedals along with smoke alarms, light fixtures in a very professional manner. I am happy to recommend him for all of this kind of work

Jan 2022

Mr. and Mrs. Mendoza of M Multiwire Electric Corp are amongst the best contractors I have chosen in my life. Why do I say this? Quite simply because "they care about their customers". There are man...

Consider Atrina Solar if...

  • You're installing solar panels or battery storage systems like Powerwall, as this is Atrina Solar's specialization and M Multiwire Electric doesn't work in this area
  • Workers compensation coverage is non-negotiable for you, eliminating personal liability if someone is injured during installation
  • Competitive pricing matters for your solar project budget, as multiple customers specifically highlight Atrina's affordability without sacrificing workmanship quality
  • You value a proven track record specifically in solar technology, where five years represents meaningful experience with evolving panel and storage systems
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Consider M Multiwire Electric if...

  • You need electrical work like panel replacements, subpanels, smoke alarms, or lighting fixtures rather than solar installation
  • You value the direct involvement of business owners throughout your project, as M Multiwire Electric operates with high owner participation in consultations and installations
  • You're willing to verify your homeowner's insurance covers contractor injuries or obtain additional liability protection given the missing workers comp
  • Scheduling flexibility is important and you're prepared to address potential appointment reliability concerns upfront based on past customer feedback
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Questions to Ask Before Hiring

  • For M Multiwire Electric: Ask directly about liability coverage and confirm with your homeowner's insurance whether you're protected if a worker is injured on your property without workers comp in place
  • For M Multiwire Electric: Given past feedback about scheduling variability, ask how they manage appointment windows and what communication you can expect if timing changes
  • For Atrina Solar: Ask for references from recent solar and battery storage installations similar to your project scope to verify current workmanship standards
  • For both: Request a detailed timeline with milestones so you understand project duration and can plan accordingly

The Bottom Line

If you're installing solar panels or battery storage, Atrina Solar is your only relevant option between these two companies, and their workers comp coverage, competitive pricing, and five years of solar-specific experience make them a solid choice. If you need electrical work like panel upgrades or lighting, M Multiwire Electric offers more years of licensing experience and direct owner involvement, but the missing workers compensation insurance is a serious concern you cannot ignore. Before hiring M Multiwire Electric, contact your homeowner's insurance to understand your liability exposure and whether you need additional coverage during the project—this step is non-negotiable to protect yourself financially.

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Frequently Asked Questions

If a contractor's employee is injured on your property and the company lacks workers comp insurance, you could face liability claims against your homeowner's policy or personal assets. Atrina Solar's workers comp coverage protects you from this exposure. Before hiring M Multiwire Electric, call your insurance agent to understand your liability and consider whether you need additional coverage for the project duration.

Nine years versus five years does indicate more project experience and problem-solving exposure, which matters for complex electrical troubleshooting. However, the workers comp gap creates a separate risk consideration that experience alone doesn't resolve. The additional four years of licensing is valuable, but only if you're comfortable with the liability coverage situation or can adequately protect yourself through your own insurance.

Solar installations require specialized knowledge of DC systems, inverters, battery integration, and utility interconnection that general electricians may not routinely handle. Atrina Solar focuses exclusively on this work. If you need electrical panel upgrades to support solar capacity, coordinate between your solar installer and a separate electrician, or choose a solar company that handles all electrical modifications in-house.

At least one customer noted appointment reliability issues, which suggests this isn't an isolated occurrence. The high owner involvement may create scheduling constraints if owners are juggling multiple responsibilities. Address this directly by asking about their current project load, how they handle scheduling conflicts, and what communication you'll receive if appointments need rescheduling. Set clear expectations upfront.

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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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