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SunPower earned 4.8 out of 5 stars in our rating system and has over 30 years of experience in the solar industry, the most out of any provider on our list. SunPower utilizes over 850 dealers to provide installation services nationwide. The company also offers in-house solar loan financing.
Some customers report that, although expensive, SunPower offers best-in-class service, warranties and solar panel efficiency. SunPower typically charges between $3 and $4.50 per watt for solar installations, according to Sanah Sadaruddin, the public relations manager at the company.
SunPower offers solar, backup battery and electric vehicle (EV) charger installations. Customers also have access to SunPower’s mobile app and system monitoring.
Customers can pay for their solar system using a cash purchase, loan, lease or power purchase agreement (PPA).