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We found a split-decision pattern: some homeowners saved money for years without incident, but others paid five figures for systems that stopped generating power and couldn't get help. One reviewer in New Jersey described panels sitting dark for months while support tickets went unanswered, eventually leaving them with both a $600 electric bill and a lease payment. Another spent over $30,000 in 2021 only to discover two years later that warranty claims were denied and Hyperion stopped returning calls. The sales process earned consistent praise for patience and responsiveness, especially from reps like Mike Sgambati and Ian, who stayed in touch after contract signing. But post-installation support is where things fracture. We found multiple reports of conduit leaks, failed inspections, and systems that never passed utility approval, with some customers waiting years for resolutions that never came. If you prioritize upfront guidance and panel quality over long-term accountability, you might tolerate the risk. But if you need a company that will still pick up the phone when something breaks in year three, the evidence suggests looking elsewhere.
If you're evaluating purely on sales experience and panel specs, you'll hear good things. But if you need confidence that the company will fix a broken inverter or flooded conduit two years from now, multiple reviews suggest they may not answer your calls.
Ian M. invested more than $30,000 in a solar system installed in late 2021. Now he has a system that produces no solar power; SunPower denied warranty coverage for the problem, and Hyperion has not been returning his calls or emails. After a sizable upfront investment, he ended up with a nonworking system and no responsive contractor or warranty support — the combination that stuck with him.
Jason K. had a SunPower solar system that sat idle for two years. Hyperion reached out, worked with SunPower to sort out the problem, and got his system repaired so it was producing energy again. He found the team professional and appreciated that they walked him through the right process — contact your dealer first instead of going straight to SunPower — a practical tip that helped restore two years of lost generation.
Ahrum H. was already researching solar when a SunPower representative knocked on her door; curious, she agreed to listen. Meetings kept getting pushed around because of last-minute conflicts, but Mike Sgambati stayed flexible and rearranged his schedule until they finally fit in a 1.5-hour session. After a string of texts and email follow-ups, she decided to go with Hyperion and SunPower. Once the contract was signed she hardly had to lift a finger: the team handled town and PSEG permits and kept the process moving. Although she was warned panels were backordered and installation might take a year, the system was up and running in about four months. Even after activation, she continued to have questions about bills and system guards, and Mike stayed responsive and reliable through every follow-up. The detail that mattered most to her was not just the quicker-than-promised timeline but that the relationship continued beyond the sale — Mike kept managing the loose ends until the system performed as expected.
Passed screening
Passed screening
Newer than most installers in the market.
Mixed BBB standing. Some unresolved complaints.
Reviews were posted naturally over time.
A year after installing a SunPower system on her home, Kim F. still opens the utility bill to find a negative balance each month. She met sales rep Kevin Dashner at the first appointment, and he walked her through the options; the installation itself went smoothly and the crew followed up promptly afterward. The whole process felt professional and transparent, and she ended up with clear value for the price — not the cheapest option, but one that delivers. Her only regret is that she didn’t make the switch sooner; the steady monthly credits and solid post‑install support are what stuck with her.
Amy found the standout in Andrew from Hyperion, who dug up multiple quotes from other companies and kept pushing to find a solution when the parent company stalled. She ended up with panels and a fast, clean installation—the local Hyperion crew handled the work efficiently and stayed available to help throughout. The only real hiccup came after install: the parent company was slow to respond and reluctant to take charge of the issue. Because of Andrew’s persistence and the smooth on-site work, she would hire Hyperion again if she had another property, but she only has the one roof to use them on.
Ian W. chose a SunPower solar array with a backup battery for his home and ended up with an electricity bill reduced to zero. He paid more upfront than cheaper options but valued the build quality and components. SunPower’s team stayed on top of the installation and followed through through commissioning, so the system performs as expected. The clearest takeaway: the battery-backed SunPower setup eliminated his monthly electric charge, which made the higher price feel worthwhile.
Travis P. chose SunPower for a home solar installation and found the entire project remarkably smooth. He experienced a no‑hassle process, with work progressing without complications and the site left tidy when finished. He walked away with a functioning SunPower system and recommends the company to anyone considering solar. His clearest takeaway: the installation felt effortless.
Jason K. had a SunPower solar system that sat idle for two years. Hyperion reached out, worked with SunPower to sort out the problem, and got his system repaired so it was producing energy again. He found the team professional and appreciated that they walked him through the right process — contact your dealer first instead of going straight to SunPower — a practical tip that helped restore two years of lost generation.
Erika M. signed a lease in 2018 for SunPower panels to stop paying $600–700 a month in electricity. She ended up continuing to pay roughly the same $600–700 electric bill on top of the monthly lease. Over the past year she placed more than 15 calls to SunPower chasing a fix; each time customer service told her there was nothing they could do, and no resolution followed. She regretted not researching other solar companies first, and walked away frustrated by the combination of an ongoing lease, persistent high bills, and dismissive support — the concrete takeaway being that, after years under contract, she still pays the same high power bill while also paying for the panels.
Craig found a patient, credible salesperson who, together with the technical team, walked him through the entire process and answered his numerous questions. He watched the technicians take time to explain the details before installation. A quick, professional build crew then installed the panels and interconnects cleanly and efficiently. The system has run without complaints, and follow-up service and support stayed responsive. What stuck with him most was that the team took the time to address every question before a single panel went on the roof.
Gina W. had solar installed on her home this summer and appreciated that the company worked with her budget so the project became affordable. She found the whole process smooth: communication remained clear from start to finish, the crew installed the system efficiently, and they cleaned up the yard when the job ended. The detail that stood out most was the combination of budget flexibility and a tidy, no-mess finish — she ended up with a functioning system without unexpected costs or a construction headache.
Ian M. invested more than $30,000 in a solar system installed in late 2021. Now he has a system that produces no solar power; SunPower denied warranty coverage for the problem, and Hyperion has not been returning his calls or emails. After a sizable upfront investment, he ended up with a nonworking system and no responsive contractor or warranty support — the combination that stuck with him.
Long-term satisfaction for Sunpower by Hyperion Solar Energy drops to 2.3 ★ compared to early reviews. This decline is worse than 75% of installers we looked at.
Long-term reviews carry the most weight in our methodology because they are most representative of what you should be paying for: a system that will perform for years.