What is a high-efficiency solar panel?

For our guide’s purposes, we refer to solar panels with efficiency ratings of 19% or higher as high-efficiency solar panels.

How much does a solar panel cost?

The average cost of solar in the U.S. is $31,558, based on the latest cumulative data from the Lawrence Berkeley National Laboratory, a Department of Energy Office of Science laboratory. Solar panel costs are calculated by the price per watt. The average price per watt in the U.S. is $3.67 for an 8.6 kW system (rounded up).

What is solar panel efficiency?

Solar panel efficiency refers to how well a panel converts sunlight into usable electricity compared to the panel’s size. Solar panel efficiency is expressed as a percentage. We analyzed solar panel efficiency ratings, cost per watt, panel options, and warranty period to see which panel brands offer the most.

How much do solar panels cost in 2024?

Here's an explanation for The average solar panel system in 2024 costs about $31,558 before factoring in tax credits and solar incentives. The Residential Clean Energy Credit is part of the Inflation Reduction Act and offsets the total cost of solar panels by 30 percent when you file your annual federal tax return.

Are solar panels more efficient than other solar panels?

Some solar panel manufacturers produce solar panels with higher efficiency ratings than others. For example, we found SunPower in-house solar panels are nearly 23% efficient compared to other solar panels that may have an efficiency rating closer to 19% or 20%.

Which solar panels are best for your home?

SunPower, REC, Panasonic, Maxeon, and Jinko Solar offer the best solar panels. The type of solar panel, power output, efficiency, performance in warm climates, warranty, and price are the key factors to assess when comparing solar panels. The best solar panel for your home can depend on your roof space, shading, and climate.