1Best panels
SunPower
- Industry-leading efficiency
- 25-year warranty
- Sleek design
- Premium pricing
4.8
Custom quote
Maximum efficiency
Best Solar Companies
Compare panel efficiency, warranties, and financing from the nation's leading solar installers.
12 min readUpdated May 2026
2Best price
Tesla Solar
- Price-match guarantee
- Powerwall integration
- Limited customer support
4.4
Custom quote
Lowest cost per watt
3Best leasing
Sunrun
- Flexible financing
- Nationwide service
- Long contracts
4.3
Custom quote
$0-down options
How we picked
Our editorial team scored each provider across more than 30 data points — including pricing, coverage, customer satisfaction, and ease of use. Ratings are weighted to reflect what matters most to real buyers, and we refresh them regularly as products and prices change.