Compare Local Pros
Ilum Energy Solutions vs Revolving Power Solar
Sacramento Solar Contractors Comparison · Updated March 2026
Ilum Energy Solutions brings four times the licensing experience and carries workers compensation insurance, while Revolving Power Solar offers competitive pricing but lacks workers comp protection.
| Ilum Energy Solutions | Revolving Power Solar | |
|---|---|---|
| Rating | ★ 4.6 | ★ 5.0 |
| Years Licensed | 4 years | 1 years |
| License # | 1092865 | 1135603 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Sacramento, CA | Sacramento, CA |
| Website | ilumsolar.com | rpsol.co |
Key Differences
What Customers Say
Ilum Energy Solutions
Customers consistently praise Ilum's fast installation timelines and thorough project coordination from permits through final testing.
Revolving Power Solar
Customers highlight Revolving Power's quick response times, competitive pricing, and high-touch owner involvement throughout projects.
Key Takeaway: Ilum's feedback emphasizes speed of execution and established processes, while Revolving Power's centers on personalized service and value pricing typical of newer businesses building their reputation.
Customer Reviews
Ilum Energy Solutions
I had solar installed at my home. So far it has been great, and service has been great. Thank you Broc!
Knowledgeable, patient, professional, great team, fully understand Solar.
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...
Revolving Power Solar
Very professional. Arrived on time. Followed all laws and permit rules and were affordable. If you are looking for someone to install a Tesla charger Revolving Solar should definitely get your busines...
It was a pleasure working with Fernando and I highly recommend him just on his knowledge and customer service alone. He also had the best price out there out of all the quotes I received. He got to wo...
Fernando at Revolving Power Solar was fantastic! Out of all the companies I reached out to, he was the only one who responded quickly and stayed in regular contact. He explained everything clearly, sh...
Consider Ilum Energy Solutions if...
- ✓ Your roof is older or has complexity (multiple planes, steep pitch, tile) where experience diagnosing structural issues and preventing leaks matters significantly
- ✓ You're adding battery storage or expanding an existing solar system, requiring technical expertise to integrate new components with older equipment
- ✓ You want the liability protection of workers compensation insurance without verifying coverage through your own homeowner's policy
- ✓ Fast installation timeline is important, as Ilum's established processes and crew coordination consistently deliver quicker project completion
Consider Revolving Power Solar if...
- ✓ You have a straightforward roof with recent inspection confirming good condition and are installing a standard residential solar array
- ✓ Budget is a primary concern and you're willing to accept the workers comp insurance risk in exchange for competitive pricing
- ✓ You value high owner involvement and direct communication with the business owner throughout your project
- ✓ You need both solar and EV charging infrastructure installed, as Revolving Power specializes in Tesla charger installations alongside solar work
Questions to Ask Before Hiring
- → Ask Revolving Power Solar directly about workers compensation coverage and request a certificate of insurance; if they still lack coverage, contact your homeowner's insurance to confirm you're protected if a contractor is injured on your property
- → Ask Revolving Power for references from solar projects completed in the past year, specifically those similar in size and complexity to yours
- → Ask Ilum about their typical installation timeline for your project size and whether their crews have handled roofs similar to yours
- → Ask both companies how they handle post-installation issues and what their warranty covers beyond manufacturer equipment warranties
The Bottom Line
Ilum Energy Solutions is the safer choice for most homeowners, offering four times the licensing experience and workers compensation insurance that protects you from significant financial liability. Their proven track record with system expansions and battery integration, combined with fast installation timelines, makes them particularly suitable for complex projects or older roofs. Revolving Power Solar could work if you have a simple installation, confirmed insurance coverage for contractor injuries through your homeowner's policy, and prioritize budget savings with high owner involvement. However, for a multi-decade investment like solar, the experience and protection Ilum provides is worth the likely price difference for most situations.
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Frequently Asked Questions
For a straightforward installation on a newer roof in good condition, the gap matters less. However, solar projects frequently encounter surprises—outdated electrical panels requiring upgrades, roof repairs needed before installation, utility interconnection delays, or permitting complications. Four years means Ilum has navigated these issues repeatedly, while a one-year contractor is still building that problem-solving experience. If your project has any complexity, experience becomes significantly more valuable.
If an installer is seriously injured on your property and the contractor lacks workers comp, you could be sued for medical expenses, lost wages, and damages. Some homeowner's policies cover this, but many have exclusions or insufficient limits for contractor injuries. The financial exposure can be substantial—a fall from a roof can easily result in six-figure medical costs. You'd need to verify your specific policy coverage and potentially purchase additional protection.
That depends on your risk tolerance and project complexity. For a simple installation where you've confirmed your homeowner's insurance fully covers contractor injuries, the savings might be worth it. However, solar installations are long-term investments, and problems that emerge from inexperienced installation—improper flashing causing leaks, electrical issues, or system underperformance—can cost more to fix than you saved upfront. Calculate the real savings after verifying all insurance coverage.
The communication styles differ in structure rather than quality. Revolving Power's high owner involvement means you're dealing directly with the business owner, offering personalized attention but potentially less availability if they're managing multiple projects. Ilum's established team structure with responsive project coordinators provides consistent communication without depending on a single person's availability. Both work well, but they suit different homeowner preferences for how they want their project managed.
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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 09, 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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