Top 7 Solar Panel Companies in the U.S. (2025 Edition)

As solar energy continues to gain traction in the U.S., with over 7% of homes now powered by solar panels, choosing the right solar panel company is critical for maximizing savings and performance. The Inflation Reduction Act (IRA) of 2022 and the 30% Federal Solar Tax Credit (set to expire for residential installations on December 31, 2025) have fueled a surge in solar installations, making 2025 a pivotal year for homeowners to go solar.

This guide ranks the top 7 solar panel companies in the U.S. for 2025, based on factors like customer satisfaction, equipment quality, warranties, and market presence. Whether you’re seeking residential solar panels, solar battery storage, or comprehensive solar energy systems, these companies lead the industry in delivering renewable energy solutions.

1. Sunrun: The Residential Solar Leader

Overview: Sunrun, based in California, is the largest residential solar company in the U.S., with a 10% market share and over 1 million installations by 2025. Known for its flexible financing options, Sunrun excels in solar leasing and power purchase agreements (PPAs), making solar accessible with low upfront costs.

Why Choose Sunrun?

Services: Offers solar panel installation, battery storage, and 24/7 system monitoring. Their BrightSave insurance protects leased systems against theft or damage.
Equipment: Uses high-efficiency panels from brands like Qcells and REC, though specific models vary.
Warranties: Comprehensive 25-year system warranty, including repairs and monitoring for leased systems.
Customer Feedback: A 2025 survey found 24% of Sunrun customers saved $120+ monthly on electric bills, the second-highest among competitors.
Availability: Operates in 17 states, with partnerships expanding reach.

Best For: Homeowners seeking solar leasing or PPAs to minimize upfront costs.

2. Palmetto Solar: Tech-Savvy Solar Solutions

Overview: Palmetto Solar stands out for its innovative Palmetto Protect plan, offering advanced monitoring and maintenance. Operating in 19 states, Palmetto is a top choice for tech-savvy homeowners.

Why Choose Palmetto?

Services: Provides solar panel installation, energy efficiency audits, EV charger integration, and solar battery storage.
Equipment: Uses premium monocrystalline panels from Qcells and REC, with efficiencies above 19%, paired with SolarEdge microinverters.
Warranties: 25-year panel warranty and 5–10-year workmanship guarantee.
Customer Feedback: Praised for detailed performance tracking via a user-friendly app, though premium monitoring costs $49/month.
Availability: Strong presence in 19 states with a focus on customer support.

Best For: Homeowners wanting high-tech solar energy systems with robust monitoring.

3. First Solar: American Manufacturing Giant

Overview: First Solar, based in Arizona, is the largest solar panel manufacturer in the U.S., producing 10.7 GW of thin-film solar panels annually across facilities in Ohio, Alabama, and a new plant in Louisiana. While primarily focused on utility-scale projects, their panels are used in residential installations through partners.

Why Choose First Solar?

Services: Manufactures cadmium telluride (CdTe) thin-film panels, ideal for hot climates and low-light conditions. Offers recycling programs for sustainability.
Equipment: High-performance thin-film panels with lower efficiency (16–18%) but excellent durability.
Warranties: 25-year performance warranty; installer-dependent workmanship guarantees.
Customer Feedback: Valued for sustainability and American-made products, though less common in residential settings.
Availability: Nationwide through installer partnerships.

Best For: Eco-conscious homeowners seeking American-made solar panels.

4. Qcells: Top Residential Panel Provider

Overview: Qcells, a South Korean company with U.S. headquarters in California, is the leading supplier of residential solar panels in the U.S., with four Georgia plants producing 8.4 GW annually. Their commitment to a domestic supply chain makes them a standout.

Why Choose Qcells?

Services: Manufactures high-efficiency monocrystalline panels for residential and commercial use.
Equipment: Deep Blue series offers up to 22% efficiency with a 25-year product warranty.
Warranties: Industry-standard 25-year performance and product warranties.
Customer Feedback: 58% of U.S. solar installers offered Qcells panels in 2024, reflecting their popularity.
Availability: Nationwide through installer networks like Sunrun and Palmetto.

Best For: Homeowners prioritizing high-efficiency, reliable solar panels.

5. Canadian Solar: Global Reach, American Presence

Overview: Canadian Solar, with U.S. operations in California, New York, and a 5 GW plant in Texas, is a global leader known for reliability and affordability. Ranked #1 for residential solar panels in 2025.

Why Choose Canadian Solar?

Services: Produces solar PV modules for residential, commercial, and utility-scale projects.
Equipment: HiKu6 panels offer up to 470 watts and 21% efficiency, with a 30-year performance guarantee.
Warranties: 25-year product and 30-year performance warranties.
Customer Feedback: Praised for cost-effective, high-performance panels used by installers nationwide.
Availability: Widely available through installer partnerships.

Best For: Budget-conscious homeowners seeking durable solar energy systems.

6. Freedom Forever: Growing Residential Player

Overview: Freedom Forever holds a 5% U.S. market share in 2023, offering both purchase and leasing options. They use panels from LONGi, REC, and their own branded modules.

Why Choose Freedom Forever?

Services: Full-service solar installation with battery storage and financing options.
Equipment: Uses high-efficiency panels (up to 21.7% efficiency) from trusted brands like LONGi and REC.
Warranties: 25-year panel and system warranties, with proactive maintenance.
Customer Feedback: Positive reviews for installation quality, though some delays in activation reported.
Availability: Expanding presence across multiple states.

Best For: Homeowners wanting flexible financing and reliable solar power providers.

7. Venture Solar: Customer-Centric Installations

Overview: Venture Solar, with an A+ BBB rating and 4.7/5 customer score, is known for professional solar installations in the Northeast. They emphasize high-quality equipment and exceptional service.

Why Choose Venture Solar?

Services: Offers residential solar installation, battery storage, and financing options.
Equipment: Uses premium panels from Qcells and Canadian Solar, with efficiencies above 20%.
Warranties: 25-year panel warranty and 10-year workmanship guarantee.
Customer Feedback: Customers praise efficient installations (often completed in one day) and clear communication.
Availability: Primarily Northeast, with plans to expand.

Best For: Homeowners in the Northeast seeking personalized solar energy solutions.

Why Choose a Top Solar Panel Company in 2025?

Selecting a reputable solar panel company ensures quality installation, reliable equipment, and long-term savings. Here’s why these companies stand out:

Quality Equipment: Top companies use high-efficiency monocrystalline panels from brands like Qcells, Canadian Solar, and REC, maximizing energy output.
Comprehensive Warranties: Most offer 25-year panel warranties and 5–25-year workmanship guarantees, protecting your investment.
Financing Options: From solar loans to leasing and PPAs, these companies make solar affordable.
Customer Support: Proactive monitoring and responsive service ensure system performance for 25+ years.
Federal Solar Tax Credit: All support claiming the 30% Federal Solar Tax Credit, expiring December 31, 2025.

With the IRA driving domestic manufacturing and solar incentives, these companies leverage American-made solar panels and local expertise to deliver value.

How to Choose the Right Solar Panel Company

When selecting a solar power provider, consider:

Reputation and Reviews: Check BBB ratings, Trustpilot scores, and customer feedback. Companies like Venture Solar (4.7/5) and Palmetto excel in customer satisfaction.
Equipment Quality: Opt for companies using high-efficiency panels (19–22%) from trusted brands like Qcells or Canadian Solar.
Warranties: Look for 25-year panel warranties and at least a 5-year workmanship guarantee.
Financing: Evaluate solar loans, leasing, or PPAs to match your budget. Sunrun and Freedom Forever offer flexible options.
Local Availability: Ensure the company operates in your state or partners with local installers.
Cost per Watt: The average cost is $2.84/watt before the Federal Solar Tax Credit. Compare quotes for the best value.

FAQs About Solar Panel Companies in 2025

What is the average cost of solar installation in 2025?

The average cost is $16,129 for a 6.7 kW system, or $2.84/watt, before the 30% Federal Solar Tax Credit. Costs vary by system size and location.

Which company offers the best warranties?

Sunrun and Palmetto provide comprehensive 25-year system warranties, while Qcells and Canadian Solar offer 25–30-year panel performance guarantees.

Can I claim the Federal Solar Tax Credit with these companies?

Yes, all listed companies support claiming the 30% Federal Solar Tax Credit for systems installed by December 31, 2025. Consult a tax professional for eligibility.

Are American-made solar panels better?

American-made panels from First Solar and Qcells support domestic jobs and meet high-quality standards, but imported panels from Canadian Solar are also reliable and cost-effective.

Conclusion: Go Solar with the Best in 2025

The top 7 solar panel companies in the U.S. for 2025—Sunrun, Palmetto Solar, First Solar, Qcells, Canadian Solar, Freedom Forever, and Venture Solar—offer unmatched expertise, high-efficiency solar panels, and flexible financing to make solar energy systems accessible. With the Federal Solar Tax Credit expiring on December 31, 2025, now is the time to invest in renewable energy solutions to save on energy bills and boost home value.

Disclaimer: Solar costs and incentives vary by location and provider. Consult a tax professional and request multiple quotes to ensure the best deal. Always verify installer credentials and equipment specifications before signing a contract.