Solar power is one of the cleanest ways to produce energy. It helps lower electricity bills and reduces harm to the environment. That’s why more homeowners and businesses are switching to solar every year.
As solar demand grows, choosing the right solar company becomes very important. Not all companies offer the same quality, support, or warranties. In this guide, we break down what solar energy is and highlight the best solar energy companies in 2026. We focus on companies serving major markets like California and Florida.
Our goal is simple. Help you make a smart, confident solar decision that lasts for years.
Best Solar Energy Companies in 2026
This list features top national solar installers with proven track records. Our rankings are updated often as we review more companies and new data.
Each company on this list was reviewed by our team. We spent hours reviewing equipment specs, studying market trends, and talking directly with company reps. We scored each provider using factors that matter most to real customers.
We focused on:
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Equipment quality and variety
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Warranty strength
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Customer service reputation
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Company reliability and transparency
Below are the solar companies that stood out in 2026.
ADT Solar
ADT Solar is a strong choice if you want long warranties and a trusted national brand. The company offers a rare 25-year roof leak warranty, which is hard to beat.
ADT installs several high-quality solar panel brands. This gives homeowners more flexibility based on budget and efficiency needs. Like many solar companies, ADT does not show pricing upfront. However, they offer a price match guarantee, which can help during quotes.
Pros
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Price match guarantee
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High-quality equipment
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Industry-leading warranties
Cons
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Limited upfront pricing details
Areas Served
Maryland, Texas, Ohio, Virginia, Florida, Georgia, Illinois, California, Missouri
Product Details
ADT Solar focuses on quality and long-term protection. They install trusted panel brands like Qcells, Canadian Solar, and Silfab. Silfab panels even come with a 30-year warranty. ADT is also recognized by the Better Business Bureau for responding well to customer concerns. This makes them a reliable option for long-term solar ownership.
Palmetto Solar
Solar systems usually need little maintenance, but problems can still happen. If you prefer extra support after installation, Palmetto is worth considering.
Palmetto offers system monitoring and alerts if something goes wrong. This service costs extra, so it’s important to include it when calculating your return on investment.
Pros
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Strong post-install support
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Premium solar equipment
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Financing marketplace options
Cons
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Some warranties are weaker than competitors
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No consistent price match policy
Areas Served
California, Vermont, Massachusetts, Colorado, New Mexico, Maryland, Rhode Island, Virginia, Nevada, Ohio, Texas, Kansas, North Carolina, New Jersey, Georgia, Illinois, Pennsylvania, Florida, Arizona, Maine, Michigan, South Carolina, Connecticut, New Hampshire, New York, Oklahoma
Product Details
Palmetto stands out for what happens after installation. Every system includes third-party monitoring and proactive service alerts. The company has an A+ rating with the Better Business Bureau. They install high-end equipment, including Sonnen batteries. Customers also receive a 10-year workmanship warranty and a 5-year weatherization warranty.
Which Solar Company Is Best in 2026?
ADT Solar ranks as the top solar company in 2026. It leads in warranty coverage, equipment quality, battery options, and customer support.
All companies on this list offer solid solar systems and good service. However, ADT Solar’s 25-year workmanship and roof protection warranties make a big difference. The company also operates in over 23 states, with plans to expand further.
If ADT Solar is not available in your area or another provider offers a better deal, there are still excellent alternatives on this list. The key is to choose a company that aligns with your budget, location, and long-term energy goals.