See what a solar system costs installed in Riverside, sized from your power bill. Free, instant, no sign-up.
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| System | Installed cost |
|---|
Semper Solaris
4.6 · 99 reviews · Free quote
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SolarMax Technology
4.0 · 54 reviews · Free quote
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Energy Renovation Center
4.0 · 30 reviews · Free quote
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An estimate, not a quote. Based on $2.14–$2.90 per watt installed in California and 1,677 kWh per kW a year in California. Installers confirm the final price after a roof check.
Ranked by TrustAnalytica from verified reviews · see the full Top 10 list →
Known for offering solar panels alongside Tesla Powerwall battery backups, Semper Solaris also provides roofing and HVAC services. The team helps analyze energy use to recommend suitable options for Riverside County residents. Customers appreciate thorough communication from some staff, though others note delays and inconsistent follow-up during installation and repairs.
Known for manufacturing their own American-made panels, SolarMax Technology offers complete solar solutions including custom-designed systems, battery backups, and roof replacements. Customers appreciate the thorough installation process and knowledgeable technicians, though some note delays and slow communication during service and repairs.
Energy Renovation Center focuses on helping homeowners access affordable residential solar energy with local experts guiding each project. They handle everything from design to installation and work through challenges like permits and HOA restrictions. While many customers appreciate their detailed communication and problem-solving, some have noted delays in service and follow-up support after… more...
Energy Renovation Center focuses on helping homeowners access affordable residential solar energy with local experts guiding each project. They handle everything from design to installation and work through challenges like permits and HOA restrictions. While many customers appreciate their detailed communication and problem-solving, some have noted delays in service and follow-up support after installation.
GRID Alternatives Inland Empire focuses on making solar energy accessible to low-income families through affordable installations and hands-on workforce training. The team offers services including single-family and community solar projects, alongside volunteer and internship opportunities. Customers appreciate the educational, well-organized environment, though projects rely heavily on volunteer… more...
GRID Alternatives Inland Empire focuses on making solar energy accessible to low-income families through affordable installations and hands-on workforce training. The team offers services including single-family and community solar projects, alongside volunteer and internship opportunities. Customers appreciate the educational, well-organized environment, though projects rely heavily on volunteer involvement.
With over 20 years of combined experience, SaveCo Solar offers affordable solar panel installations across Southern California. Their team handles everything from permits to inspections, and many customers appreciate their clear communication and thorough cleanup. Some have noted delays with repairs and occasional responsiveness issues after installation.
Next Napa Valley Solar Co specializes in both residential and commercial solar panel installation, repair, and maintenance. The team is known for clear communication and responsive service, often praised for handling challenging conditions with care. Customers appreciate their skilled workmanship and straightforward approach throughout each project.
Known for partnering with award-winning companies to offer solar panel installations with innovative financing, Infinity Energy handles all aspects of home solar setups. Customers often praise the professionalism and punctuality of the installation team, though some note significant delays and communication challenges during the process.
With over a decade of experience, this team specializes in solar maintenance and repair, often fixing issues caused by poor installations. They offer services like panel cleaning, inspections, and warranty repairs, and are known for clear explanations and friendly, knowledgeable technicians. Some customers note the service can be on the pricier side.
Infinity Solar Systems Riverside specializes in custom-designed solar solutions tailored to each homeowner’s energy needs, backed by a comprehensive 25-year warranty. The team offers personalized system design using the latest technology and works closely with clients throughout the installation process. While many customers appreciate their communication and pricing efforts, some have reported… more...
Infinity Solar Systems Riverside specializes in custom-designed solar solutions tailored to each homeowner’s energy needs, backed by a comprehensive 25-year warranty. The team offers personalized system design using the latest technology and works closely with clients throughout the installation process. While many customers appreciate their communication and pricing efforts, some have reported ongoing issues with system performance.
SunSpark Tech's focus is to provide unsurpassed customer value. The company is able to house all its operations under one roof. This allows for high quality control as well as customer satisfaction. Our products are highly competitive due to the reduced costs. SunSpark is committed to creating a cleaner, more sustainable future. Our primary goal is to provide the best solar panels on the market… more...
SunSpark Tech's focus is to provide unsurpassed customer value. The company is able to house all its operations under one roof. This allows for high quality control as well as customer satisfaction. Our products are highly competitive due to the reduced costs. SunSpark is committed to creating a cleaner, more sustainable future. Our primary goal is to provide the best solar panels on the market today. We are proud to report that our customers have been very satisfied with the results of SunSpark's solar panels.
I can’t even begin to describe what a disaster this company and their people are. It’s been a year since our solar installation and we are still not generating power. We are paying for a system that doesn’t work even remotely close to what was promised. They keep making mistake after mistake and we…
I started out loving this company but have had nothing but issues from the beginning. From driving over wiring and installing bent panels to electrical issues that took awhile to get fixed. My electric bills have skyrocketed and their system is down. The sales rep no longer responds and no one will…
| # | Business | Rating | Reviews | Starting price | Phone | Website |
|---|---|---|---|---|---|---|
| 1 | Semper Solaris | 4.6 | 99 | $100 | (951) 900-3970 | Visit |
| 2 | SolarMax Technology | 4.0 | 54 | $75 | (951) 221-8172 | Visit |
| 3 | Energy Renovation Center | 4.0 | 30 | $100 | (888) 604-0226 | Visit |
| 4 | GRID Alternatives Inland Empire | 4.6 | 25 | $300 | (888) 496-4743 | Visit |
| 5 | SaveCo Solar | 4.5 | 20 | $50 | (833) 372-8326 | Visit |
| 6 | Next Napa Valley Solar Co | 5.0 | 15 | $100 | (951) 458-6867 | Visit |
| 7 | Infinity Energy | 3.5 | 17 | $75 | (951) 363-5237 | Visit |
| 8 | Solar Service Professionals | 4.8 | 12 | $10 | (951) 307-9847 | Visit |
| 9 | Infinity Solar Systems Riverside | 4.2 | 5 | — | (951) 467-4234 | Visit |
| 10 | SunSpark Technology, Inc. | 5.0 | 3 | — | (951) 342-3050 | Visit |
This calculator sizes a solar system from your electricity use. Your monthly bill, divided by the average California electricity price, gives your yearly use; California's sunshine (1,677 kWh per kW of panels a year) then gives the system size that covers it, adjusted for roof direction and shade. The installed price is that size multiplied by the price per watt homeowners in California pay installers. Payback compares that price with what the panels save at California power prices, assuming prices rise 3% a year.
An estimate, not a quote. Roof size and pitch, shading, equipment, permits and the installer all change the final price; installers confirm it after a site visit. Sources: EnergySage state installed-cost data (2026), NREL PVWatts, U.S. Energy Information Administration residential prices (2026), state program pages.