Sunlux

- Max. panel efficiency
- 19.7%
- Panel warranty
- 25 years
- Payment options
- Cash, loan and lease
- Year founded
- 2015
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The ConsumerAffairs Research Team compared popular solar companies on ratings and reviews, equipment options, warranties, availability and other factors to select the top picks for this guide. Our picks may be Authorized Partners that compensate us — this does not affect our evaluations but may impact the order in which companies appear. Read the full methodology for all the details on how we make solar company recommendations.
| Company | Customer rating | Our pick for | Pro install | Max. panel efficiency | Panel warranty | NABCEP certified | Payment options | Year founded | |
|---|---|---|---|---|---|---|---|---|---|
![]() Sunlux | Learn More | 3.8
580 reviews
580 reviews
| Top overall | 19.7% | 25 years | Cash, loan and lease | 2015 | ||
![]() Sunrun | Learn More | 4.3
3,937 reviews
3,937 reviews
| Solar leases | 22% | 20 years | Cash, loan, lease | 2007 | ||
![]() Project Solar | Learn More | 4.0
88 reviews
88 reviews
| Competitive pricing | 20.9% | 25 years | Cash, loan | 2020 |
Solar can be a big investment. Our goal is to highlight companies best equipped to meet most Oceansiders’ energy needs.



The ConsumerAffairs Research Team took a data-driven approach, informed by expert editors and considering the mild year-round Mediterranean climate, to choose the best solar companies in Oceanside, California, based on the following key features and respective weightings:
» MORE: Full methodology
Jump into our guides and start learning
ConsumerAffairs has heard from thousands of Californians who have already gone through the solar panel installation process. Here’s what Oceanside residents should look out for when choosing a solar panel installation company. We’ll also touch on overall costs and ways to save with government incentives.
A typical residential solar panel installation costs $15,589 in Oceanside.
Jump to insightSolar loans, leases and other programs make it easy to go solar with minimal upfront costs.
Jump to insightSolar scammers in Oceanside may falsely claim to be affiliated with a San Diego County or California government agency.
Jump to insightA typical solar panel installation costs anywhere from $8,379 to $24,449 in California. Prices in Oceanside are comparable, ranging from $8,477 to $24,404.
This doesn’t include an energy storage battery, which sometimes costs as much as the panels: $7,000 to $18,000. A battery lets you store excess energy generated during the day and use it when your panels aren’t producing. It’s worth considering if California’s net metering rates continue to decline or if your area gets frequent blackouts.
System size is the other major solar cost factor. The average Oceanside household needs a system with a capacity of 6.44 kW (kilowatt) to fully offset their electricity costs. Depending on how much energy you and your family use, you might need a smaller or larger one.
Average solar panel costs by system size in Oceanside
| 5 kW | 6 kW | 7 kW | 8 kW | 9 kW | 10 kW | |
|---|---|---|---|---|---|---|
| Before federal tax credit | $12,202 | $14,642 | $17,083 | $19,523 | $21,963 | $24,404 |
Getting solar panels is like buying a car. Most people pay cash, finance or lease. Similar to leasing, a power purchase agreement (PPA) lets you get the benefits of solar without actually owning the equipment.
» SOLAR PANELS: Buy vs. lease
Solar panels are generally worth it in California if you like the idea of lowering your monthly utility bills. On average, Oceanside homeowners with solar panels can avoid $97,244 in total utility costs over 25 years.
There’s also the environmental benefit of reducing your carbon footprint. Though the impact of a single homeowner installing solar panels might seem small, when enough people in a city like Oceanside go solar, the cumulative reduction in air pollution can be significant.
Homeowners with solar panels typically save $20,000 to $90,000 over 25 years.
For a lot of homeowners, the main drawback is the high upfront cost of purchasing and installing the panels and equipment. Assuming an upfront purchase, it takes about 7.32 years to break even (when your savings with solar panels make up for the cost).
At the end of the day, solar power can be a good investment in San Diego County, thanks to high electricity prices and available incentives. As long as your house is a good candidate for solar, it’s at least worth considering. We suggest using NREL’s PVWatts Calculator to estimate how much electricity a solar panel can produce over a year on your house. Project Sunroof is a reliable online solar savings estimator.
Potential roof problems
As a rule of thumb, if your roof is more than 10 years old, consider fixing it before going solar. Installing solar panels on an old roof might mean you have to remove the panels, replace your roof and then reinstall the panels again. This is an expensive and frustrating process.
» SHOULD YOU: Replace your roof before going solar?
In our experience, the best solar companies in California have a few things in common: lots of experience, reliable equipment and transparent contracts. Here are some hiring tips.
» TIPS: Get the best solar quotes
Going solar in San Diego County
If your home is near the coast, exposure to salty air can corrode solar equipment. Choosing durable, corrosion-resistant materials and scheduling regular maintenance can help extend the life span of your system.
Local utility companies, such as San Diego Gas & Electric (SDG&E), offer incentives like net metering, which allows homeowners to sell excess solar energy back to the grid, reducing electricity bills.
Residents can also take advantage of statewide solar incentives in California, including Self-Generation Incentive Program (SGIP) rebates for homeowners who install battery storage systems with their solar panels.
Additionally, the California Energy Commission (CEC) offers various incentives and rebates, including incentives for solar water heating systems and energy efficiency upgrades, which can be combined with solar installations to maximize overall savings.
No. Under California law, solar installations are exempt from property tax reassessments, meaning the value added to your home by solar panels won’t increase your property taxes.
California’s Solar Rights Act prevents homeowners associations (HOAs) from restricting residential solar panel installations. HOAs can, however, impose minor restrictions as long as they don’t reduce the system’s efficiency.
Monocrystalline and polycrystalline are the most common types of solar panels used in residential installations. In general, monocrystalline panels are considered the best bang for your buck. Cheaper solar panels are typically polycrystalline. The key difference is in materials and efficiency: Monocrystalline panels use pure, single silicon crystals, while polycrystalline panels are made from melted silicon fragments, resulting in different efficiency levels.
Solar panel efficiency is a measure of how well a panel makes electricity. Standard efficiency rates range from 19% to 23%, which means 19% to 23% of the sunlight that hits the panels gets converted into electricity. The more efficient the solar panels you buy are, the fewer panels you need. While more efficient panels cost a little more, you save by buying fewer panels.
The ConsumerAffairs Research Team used a research-backed, data-driven approach, which was informed by our expert editors, to choose the best solar companies. We prefer to recommend those with a longer time in business and a solid track record of reliability in Oceanside, California. For this guide, we objectively weighted several key features to get our final rankings:
Reviews, ratings and testimonials: 40%
We analyzed solar company reviews by verified solar customers to gauge real-world satisfaction. Companies with generally positive feedback on our site scored highest in this aspect. Those with the most 4- and 5-star reviews by verified Oceanside customers were given preference.
Warranties: 20%
A long warranty is important — it shows that a company stands behind its products and services. We compared companies on both equipment and craftsmanship warranty terms. All of our top picks for professional installation have warranties or production guarantees of at least 10 to 25 years.
Equipment selection: 20%
We evaluated each company’s selection of solar panels, storage batteries and inverters. Those with proprietary technology or a wide equipment selection from trusted brands ranked highest.
Financing and payment options: 20%
We gave preference to companies that offer multiple payment and financing options for transparent terms and conditions.
ConsumerAffairs Research Team regularly evaluates customer reviews, company information and industry trends to update our top picks:
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ConsumerAffairs writers primarily rely on government data, industry experts and original research from reputable publications to inform their work. Specific sources for this article include:
| Company | Customer rating | About | Learn More |
|---|---|---|---|
Sunrun
| 4.3
3,937 reviews
| Residential solar energy company offering solar panel installation, battery storage and backup power options. Available in 21 states, Washington, D.C., and Puerto Rico. Prices start at $0 down for solar leases. | Read reviews |
Project Solar
| 4.0
88 reviews
| Solar panel dealer with partner installers. Full-service and DIY installs. Available across the continental U.S. 25-year workmanship and equipment warranty. Transparent and flat pricing online. Financing options available. | Read reviews |
Sunlux
| 3.8
580 reviews
| Sells panels, inverters and batteries. Includes monitoring, full-service installation and 25-year warranty on parts, labor and repairs. Offers purchase, finance, lease and energy prepay options. Available in California and Texas. | Read reviews |
SolarGuru Energy
| 5.0
View profile
| SolarGuru Energy specializes in residential solar installations. It offers products from Enphase Energy, FranklinWH, Generac Power Systems, REC Group and Tesla. Based in San Diego. | Read reviews |
Senga Energy
| 3.0
View profile
| Residential and commercial solar energy system installation, roofing and batteries for parts of California. Offers brands like Enphase Energy, LG Electronics and Tesla Powerwall. Free estimates available. | Read reviews |
CSI Electrical Contractors
| No reviews | Commercial and large-scale solar design, installation and maintenance plus battery storage systems. Covers several counties in California, including Los Angeles, Orange, San Francisco, San Diego and Ventura. | |
Current Home
| No reviews | Provides solar services, battery backup and roofing. Offers home improvement services. Reports to have a streamlined installation process with experts who take care of permits and setup. Only available in Florida and California. | |
Gimenergy
| No reviews | Residential and commercial solar panel design and installation plus energy monitoring and storage services. Products from Solaria. Serves all of California. Warranties and financing available. | |
SunSolar U.S.
| No reviews | Residential and commercial solar installations, solar carports and solar patio covers in parts of Southern California. Offers a 25-year warranty on solar energy systems. Finance through a loan, lease or power purchase agreement. | |
Western Sun Systems
| No reviews | Specializes in residential solar energy systems. Offers products from SMA. Performs off-grid solar installations. Battery backup systems available. Financing for qualified buyers through loans. | |
Semper Solaris
| 1.0
View profile
| Semper Solaris offers home solar panel installations, energy storage and roofing services. Silfab, Qcells and Enphase equipment available. Based in California. Also available in parts of Texas, Florida and Arizona. | Read reviews |
NRG Clean Power
| No reviews | Works with a variety of solar panel brands. Installs solar batteries and EV charging stations. Provides solar panel cleaning services. Can tackle roof replacement before installing solar panels. Available in California and Texas. | |
Sunlight Solar
| No reviews | Residential solar and pool heating services. Sells solar appliances, including water heaters, solar fans and more. Offers products from brands like Enphase Energy and FAFCO. Services Florida. |