List of Top 7 Solar Companies in the US [2025]

The USA was once the global leader in producing solar power; however, countries like China and Japan took over, placing themselves in top positions. 

But the time has changed, and the USA has once again regained its status in the solar industry by placing itself in 2nd place on the list.

However, there’s a question lingering in our minds. Which are the 7 best solar technology companies in the US that you can rely on? Read the complete article to know more about it.

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List of the Biggest Solar Companies in the US [2025]

According to the latest data, here are the top 7 solar companies in the US:

#1. Palmetto Solar

Palmetto Solar distinguishes itself with its robust protection plans, earning a high rating of 4.7. Beyond standard warranties, they offer unique benefits like proactive system monitoring and issue detection, ensuring your solar investment operates smoothly.

Their performance guarantee and labour coverage provide added peace of mind. Palmetto utilises high-quality equipment from reputable manufacturers such as Qcells, REC, SolarEdge, and Tesla, promising enhanced performance and greater energy savings for homeowners. 

With 15 years in the industry and availability in 20 states, Palmetto demonstrates a solid track record and expanding reach.

#2. Solar Energy World

Solar Energy World stands out in the solar industry with its exceptional long-term warranty coverage, a significant factor for homeowners. 

Their impressive 30-year warranty covers products, performance, and workmanship, showcasing their confidence in the durability and quality of their installations. 

Notably, they offer free system deinstallation and reinstallation within the first 10 years if roof repairs or other work are needed. Solar Energy World installs reliable equipment from brands like Silfab, Qcells, Tesla, and Enphase.

#3. Sunrun Solar

Sunrun Solar has become widely recognised, almost synonymous with solar leasing options. This allows homeowners to transition to solar power without a significant upfront investment. 

Sunrun provides unique benefits for lease customers, including daily system monitoring, included maintenance, and a production guarantee, all aimed at ensuring optimal system operation and energy savings. 

Operating for 17 years and available in 22 states, Sunrun provides a well-established and accessible pathway to solar energy for those prioritising lower initial costs and comprehensive service.

#4. Blue Raven Solar

Acquired by SunPower, a long-standing name in the solar industry, Blue Raven Solar has carved a niche with its attractive financing programmes. Blue Raven Solar utilises high-quality solar panels and microinverters, ensuring efficient energy production. 

With 10 years in business and serving 21 states, they combine the backing of an established company with innovative financing solutions, making solar ownership a more viable option for a broader range of homeowners.

#5. Freedom Solar

Freedom Solar has built a strong reputation for delivering solar panel systems with high-quality components and dependable installations. 

A distinctive feature is their flexibility in allowing customers to choose the percentage of grid power they wish to offset. Furthermore, Freedom Solar excels in providing solutions for power outages, particularly through their expertise as a Tesla Powerwall-certified installer. 

They offer the Tesla Powerwall and generator systems, enabling homeowners to maintain power during blackouts or even achieve complete off-grid living. With 17 years of experience, Freedom Solar is a strong choice for those prioritising energy independence and high-quality, reliable systems.

#6. Tesla Energy

Tesla Energy stands out by designing, manufacturing, and installing its own sleek and efficient solar equipment. Their all-black, low-profile solar panels are particularly noted for their aesthetic appeal.

Their other components, including inverters and the highly regarded Powerwall battery, are known for their long lifespan and high efficiency. Tesla also provides a user-friendly smartphone app for monitoring the solar system, battery, and electric vehicle in one place. 

With 18 years in business and an extensive reach across 49 states, Tesla Energy offers a blend of innovative design, technological integration, and broad accessibility.

#7. Momentum Solar

Momentum Solar focuses on providing customers with easy integration of high-quality solar systems. They offer a range of Tier 1 equipment from respected brands, including Enphase microinverters, which maximise energy conversion.

Momentum Solar also backs its installations with a strong 25-year warranty covering both product and workmanship, offering long-term financial protection against potential system issues.

With 15 years in operation and serving 12 states, Momentum Solar emphasises quality components and comprehensive warranties, making them a reliable choice.

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