As energy costs rise and climate change becomes more urgent, solar power is rapidly gaining popularity in the United States. Choosing the right solar provider can significantly impact your savings and energy independence. To help you make the most informed decision, we’ve compiled a list of the best solar companies in the USA for 2025 based on reliability, customer satisfaction, warranties, and financing options.
1. SunPower
Best for High-Efficiency Panels
SunPower is known for producing some of the highest-efficiency solar panels in the industry. Their Maxeon panels are sleek and durable and backed by a 25-year comprehensive warranty. With a nationwide presence and exceptional customer service, SunPower is a top-tier option for homeowners and businesses alike.
- Highlights: 22.8% panel efficiency, in-house installation, all-in-one solar solution
- Warranty: 25 years
- Availability: Nationwide
2. Tesla Solar
Best for Solar + Battery Integration
Tesla Solar offers stylish, low-profile solar panels and the popular Powerwall battery system. It’s ideal for homeowners who want energy independence and seamless integration with smart home systems.
- Highlights: Transparent pricing, solar roof option, energy storage
- Warranty: 25 years for performance
- Availability: Select states
3. Momentum Solar
Best for Personalised Service
Momentum Solar combines quality equipment with exceptional customer service. Their process is fully customised — from initial design to installation and post-service support.
- Highlights: Personalized solar plans, strong reviews
- Warranty: 25 years
- Availability: 10+ states including CA, FL, NJ, NY, and TX
4. Blue Raven Solar
Best for Affordable Financing
Blue Raven is a top choice for homeowners looking for zero-down financing and fast installation. Their BluePower Plus+ program gives you the benefits of solar without an upfront investment.
- Highlights: No upfront cost, excellent financing plans
- Warranty: 25 years
- Availability: 17 states
5. ADT Solar (formerly Sunpro)
Best for Comprehensive Solar Packages
With the trusted name ADT behind it, ADT Solar provides excellent solar panel packages that include inverters, monitoring, and battery backup.
- Highlights: Reputable brand, robust installation process
- Warranty: 25 years
- Availability: 20+ states
6. Palmetto Solar
Best for Customer Support & App Integration
Palmetto Solar combines clean energy expertise with an intuitive app that allows users to monitor energy usage and production in real-time.
- Highlights: User-friendly dashboard, strong customer service
- Warranty: 25 years
- Availability: Nationwide
7. Freedom Forever
Best for Long-Term Performance Guarantee
Freedom Forever provides a 25-year production guarantee, ensuring that your system will generate the amount of power they promise — or they’ll pay the difference.
- Highlights: Performance guarantee, fast installation
- Warranty: 25-year power production
- Availability: 25+ states
8. Trinity Solar
Best for Family-Owned Service
With over 25 years in the solar industry, Trinity Solar is one of the oldest and most reputable companies in the U.S., offering a variety of solar plans tailored to customer needs.
- Highlights: Veteran-owned, extensive experience
- Warranty: 25 years
- Availability: East Coast + select states
9. Sunrun
Best for Solar Leasing Options
Sunrun pioneered the solar lease model, making solar accessible to many who couldn’t afford an outright purchase. They’re a great fit if you’re looking to avoid ownership responsibility.
- Highlights: PPA and lease options, maintenance included
- Warranty: 25 years (for leased systems)
- Availability: 20+ states
10. Elevation Solar
Best for Energy Efficiency Audits
Elevation Solar doesn’t just install solar panels — they assess your home’s overall energy efficiency and offer upgrades to help you save even more.
- Highlights: Energy audits, insulation and smart energy solutions
- Warranty: 25 years
- Availability: AZ, CA, TX, FL
Final Thoughts
Switching to solar energy is a long-term investment, and choosing the right provider can make all the difference. The best solar companies in the USA offer strong warranties, flexible payment plans, and reliable customer support. Whether you want maximum savings, green energy independence, or smart home integration, there’s a provider out there for you.
Before you decide, get multiple quotes, compare warranties, and read reviews. Going solar is a big step toward a more sustainable and cost-efficient future.
