Sales & proposal integrity
Sales Integrity7.3/10
Reviewers generally describe the sales process as straightforward, prepared, and low-pressure. The main complaints are about follow-through, schedule disruptions, and a smaller set of reviewers who say expectations were not handled well after the sale.Solar.com's composite of published customer feedback, not a customer quote
Prepared, straightforward proposals. Reviewers often say reps arrived prepared with clear proposals and practical sizing guidance based on the home and available data. Representative review excerpt: "He showed up prepared on the first visit with a good proposal of what my home could use based on publicly available Google maps and area comps."
Low-pressure consultations. Many customers say they never felt pushed to sign and appreciated a consultative approach during the decision process. Representative review excerpt: "All the while ZERO pressure to make a decision or go with his quote."
Follow-through concerns. A smaller group of reviewers report problems with responsiveness or post-sale handling when issues came up after contracting. Representative review excerpt: "But they have yet to even pick up the phone or send someone out to trouble shoot the problem and act like it's not their problem."
Price & financing transparency
Price Transparency6.7/10
Feedback on pricing and financing is mixed but leans positive overall. Reviewers often mention reasonable cost, clear proposals, and rebate or incentive timing, while complaints focus on higher-than-expected pricing, loan terms, and occasional confusion around refunds or billing-related issues.Solar.com's composite of published customer feedback, not a customer quote
Reasonable pricing for many projects. Several reviewers describe the pricing as fair or reasonable for the scope of work they received. Representative review excerpt: "The cost was about $300 a panel, which was very reasonable."
Clear upfront cost framing. Some customers say the proposal helped them understand what the project would cost before moving forward. Representative review excerpt: "He showed up prepared on the first visit with a good proposal of what my home could use based on publicly available Google maps and area comps."
Cost and financing complaints. Reviewers also report higher-than-expected prices, financing offers they did not like, and concerns tied to rebate or billing timing. Representative review excerpt: "When I went back to the company they tried to offer a different loan through one of their lenders for 5% - which was an unacceptably high rate."
Communication & coordination
Communication7.4/10
Most reviewers describe the company as responsive and well-coordinated, with clear updates through the project. Complaints do appear in the record, mainly about slow callbacks, limited channels for reaching staff, and some post-install questions that were not resolved quickly.Solar.com's composite of published customer feedback, not a customer quote
Responsive updates during the project. Many reviewers say the team stayed in touch, followed up on questions, and kept them informed as the project moved forward. Representative review excerpt: "After entering into contact the rest of the Stellar team continued with the example that Zac set and provided professional, responsive communication."
Clear communication from staff. Some customers specifically credit staff with explaining next steps and helping them understand the process. Representative review excerpt: "If you want someone who knows what they're doing, communicates clearly, and gets the job done right, Erin is the person you want in your corner!"
Callback and follow-up gaps. A smaller set of reviewers say they had trouble getting responses when they needed help after installation or when an issue came up. Representative review excerpt: "My system hasn't worked for a week, I've called multiple times, and haven't had any communication back."
Timeline reliability
Timeline Reliability7.7/10
Timeline feedback is largely positive, with many reviewers saying installation and activation moved along smoothly and on schedule. The main watch-outs are permit, inspection, HOA, or utility-related delays that sometimes extended the process.Solar.com's composite of published customer feedback, not a customer quote
On-schedule projects. Reviewers often say the company delivered work on the promised timeline and kept the process moving efficiently. Representative review excerpt: "They delivered everything on budget and on schedule, and answered all my questions throughout the process."
Smooth permit-to-activation flow. Some customers report a coordinated process that handled inspections, permits, and final activation with minimal friction. Representative review excerpt: "The team at Stellar clearly communicated the entire process, what to expect, and handled the final inspection and PTO with SDGE (which we recieved the same day as the final..."
Delays still occur. A minority of reviewers describe longer waits tied to inspections, HOA approval, or activation timing. Representative review excerpt: "That delayed activation of our system by about 6 weeks."
Workmanship & site care
Workmanship7.9/10
Workmanship reviews are strong overall. Many customers describe professional crews, efficient installs, and solid cleanup, while a smaller set of complaints points to roof, panel, or electrical damage and follow-up corrections after installation.Solar.com's composite of published customer feedback, not a customer quote
Professional, efficient crews. Reviewers frequently describe the installation crews as professional, respectful, and efficient on site. Representative review excerpt: "The crew showed up ready to work, were professional, respectful, and incredibly efficient."
Good cleanup and finish work. Some customers say the crew cleaned up well and put the site back in order after the job was done. Representative review excerpt: "They all did a great job of cleaning up and putting everything back where it belonged."
Damage and rework complaints. A smaller group reports damage to roofing, electrical components, or nearby materials and says repairs or fixes were needed afterward. Representative review excerpt: "My second issue arose when their faulty installation of my electrical panel caused the bus bar to get damaged, my electricity to be out for 14 hours, and a massive..."
Long-term support & performance
Long-Term Support7.6/10
Post-install feedback is mostly positive, with many reviewers saying their systems are producing well and support was helpful when needed. The main complaints involve monitoring issues, service delays, and situations where customers say follow-up after a system problem was limited.Solar.com's composite of published customer feedback, not a customer quote
Strong production reports. Many reviewers say their systems are working well over time and continue to generate savings or offset usage. Representative review excerpt: "It's been 7 years and my @StellarSolar system is still producing power and saving me money every day."
Helpful post-install support for some. Some customers describe the company as going above and beyond to make sure the system fit their needs after installation. Representative review excerpt: "In my estimation, they go above and beyond to get the right system for their customers and give outstanding customer service."
Support issues after turn-on. Other reviewers report trouble getting help with monitoring, production, or system errors after the project was completed. Representative review excerpt: "They did a good job of installing, but when needing help on errors in the system, they won't give you any attention."
How this is built: category scores and summaries weigh the company's full published rating record (383 Google reviews averaging 4.8 stars), the most recent and most relevant review texts, and recurring feedback themes verified acrossGoogle and Yelp. Ratings and review excerpts from published review sources. Refreshed as new feedback is published. No installer can pay to change it.