Solar Power System Comparison

How are solar panels ranked?

To rank our solar panels, we primarily looked at power output per square foot. This metric is the best way to directly compare solar panels side-by-side since they can vary so much in size. Solar panels are like most other electronic equipment: They operate most efficiently in cool temperatures (ideally around 25° C or 77° F).

How do I choose the best solar panels?

Have your say! To buy the best solar panels, be sure to compare prices, warranties, and efficiencies of different solar panel manufacturers. Here are the top 20 brands for 2025.

Are solar panels worth it?

Buying from these manufacturers means lower chances of getting quality panels or seeing your warranty claims honored. The small upfront savings you can get from these panels simply isn’t worth it. Have your say! To buy the best solar panels, be sure to compare prices, warranties, and efficiencies of different solar panel manufacturers.

Which solar panel is best?

Maxeon 6: Best efficiency Maxeon’s 440-watt solar panel is our pick for best overall. It’s the most efficient panel at 22.8% and comes with the longest warranty (40-year performance and product warranties—15 years longer than the industry standard). Maxeon is the highest-rated solar panel on the EnergySage Marketplace.