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Ilum Energy Solutions vs Four Ace Electrical Services

Sacramento Electrical Contractors Comparison · Updated March 2026

Quick Verdict

You're comparing a specialized solar installer with four years of experience to an established full-service electrician with 18 years handling everything from panels to EV chargers.

Ilum Energy Solutions: Ilum Energy Solutions is a four-year solar specialist focused on photovoltaic installations, system expansions, and battery storage with fast project timelines.
Four Ace Electrical Services: Four Ace Electrical Services is an 18-year veteran electrical contractor handling comprehensive residential electrical work from troubleshooting to whole-house rewiring.
Ilum Energy Solutions Four Ace Electrical Services
Rating 4.6 5.0
Years Licensed 4 years 18 years
License # 1092865 907701
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Sacramento, CA Sacramento, CA
Website ilumsolar.com fouraceelectrical.com

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Key Differences

The most important distinction is specialization versus breadth. Ilum Energy Solutions operates exclusively in the solar installation space, bringing focused expertise in photovoltaic systems, inverter configurations, and battery storage integration. Their four years of licensing is meaningful in this specialized field, particularly as solar technology and installation standards have evolved rapidly. Four Ace Electrical Services brings 18 years of broad electrical experience, which translates to deeper pattern recognition when diagnosing hidden issues in older homes, navigating complex panel upgrade requirements, and handling the unexpected complications that emerge during permitted electrical work. The experience difference becomes critical when projects involve older electrical systems, code compliance challenges, or troubleshooting. Both companies demonstrate strong communication and professionalism in customer feedback, though Four Ace's pattern of honest assessments and returning customers over many years suggests established trust in the community. Ilum's feedback emphasizes speed and efficiency in solar installations, while Four Ace's reviews highlight technical problem-solving across diverse electrical scenarios.

What Customers Say

Ilum Energy Solutions

Customers emphasize Ilum's fast installation timelines and responsive communication throughout solar projects, with particular appreciation for thorough system explanations.

Four Ace Electrical Services

Customers consistently highlight Four Ace's honest assessments and technical problem-solving across diverse electrical projects, with many returning for multiple services over the years.

Key Takeaway: Ilum's feedback centers on speed and efficiency in specialized solar work, while Four Ace's reviews reflect trust built through honest diagnostic work and long-term customer relationships across varied electrical needs.

Customer Reviews

Ilum Energy Solutions

Apr 2025

I had solar installed at my home. So far it has been great, and service has been great. Thank you Broc!

Sep 2024

Knowledgeable, patient, professional, great team, fully understand Solar.

Apr 2024

Would have been a 5, but read on. Had ilum solar do a solar system on my roof and had no trouble initially, then had 1 issue with them regarding MPU (master panel upgrade). That issue resulted in th...

Four Ace Electrical Services

Jan 2026

I did not hire them because my plan changes, but they are very detailed in what it needs to be done to replace the breaker panel.

Jan 2026

I recieved estimate at a great price. I will keep the company in mind for future services .

Jan 2026

They were very professional and courteous and fast too!

Consider Ilum Energy Solutions if...

  • You need solar panel installation, system expansion, or battery storage integration for your home
  • Speed of installation is a priority and you want the project completed faster than typical solar timelines
  • Your project involves multi-inverter solar configurations or large panel arrays requiring specialized photovoltaic expertise
  • You're looking for a contractor who focuses exclusively on solar rather than treating it as one service among many
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Consider Four Ace Electrical Services if...

  • Your project involves traditional electrical work like panel upgrades, rewiring, circuit installations, lighting, or EV charging stations
  • You have an older home where electrical issues may require diagnostic experience to identify underlying problems
  • You value the depth of experience that comes from 18 years of handling electrical complications and code requirements
  • You want a contractor with a long track record of honest assessments who can identify when simpler solutions will work or when work isn't necessary
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Questions to Ask Before Hiring

  • If considering Ilum for solar, ask specifically about their experience with your home's electrical panel capacity and whether upgrades will be needed
  • If considering Four Ace for any solar-related work, confirm whether they perform solar installations or if you've contacted them for traditional electrical needs
  • Ask both contractors about their specific crew's experience with your project type, particularly if your home has older electrical systems

The Bottom Line

Your decision comes down to what you actually need done. If you're installing solar panels, expanding an existing system, or adding battery storage, Ilum Energy Solutions is the specialized contractor for that work, and their four years of focused solar experience with fast installation timelines serves that purpose well. If you need any traditional electrical work—panel upgrades, rewiring, circuit installations, lighting, EV chargers, or troubleshooting—Four Ace Electrical Services is the appropriate choice, and their 18 years of experience provides substantially more depth for diagnosing complex electrical issues in older homes. Both are properly licensed and insured Sacramento contractors, but they serve different project types entirely.

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Frequently Asked Questions

Four Ace specializes in traditional electrical work and there's no indication they perform solar photovoltaic installations. If you need solar panels, battery storage, or system expansions, Ilum is the appropriate choice. If you need electrical panel upgrades, circuit work, or other traditional electrical services, Four Ace is equipped for those projects.

For standard solar installations on newer homes with adequate electrical infrastructure, Ilum's four years of focused solar experience is sufficient and their faster timelines may be advantageous. However, if your solar project requires significant electrical panel upgrades or involves older home wiring, Four Ace's deeper electrical experience could identify complications that a newer solar-focused contractor might miss during initial assessment.

Four Ace Electrical Services explicitly handles EV charging station installations as part of their service range and has 18 years of electrical experience to properly assess your panel capacity and circuit requirements. Ilum focuses on solar installations and battery storage, not EV charger installations, making Four Ace the clear choice for this specific project.

Ilum handles permitting and installations for solar systems, which typically includes coordination with electrical requirements. Ask Ilum directly whether they perform necessary panel upgrades as part of solar installations or if they subcontract that work. If your home needs substantial electrical work beyond what solar installers typically handle, getting Four Ace's assessment of your electrical system before committing to solar could identify issues 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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