Top Solar Power Companies 2026

Make the switch to clean, renewable energy with a trusted solar provider. We've compared the top solar companies to help you find the best fit.

Advertiser Disclosure: Referral fees have no impact on our rankings.
Top Pick
Sunrun

Sunrun

(855) 478-6786 Visit Website
In Business Since
2007
Equipment Warranty
25 years
Workmanship Warranty
20 years
Service Area
20 states

What We Like

  • Sunrun's mission is to run Earth by the sun
  • 25 year equipment warranty
  • 20 year workmanship warranty
  • Servicing 20 states in U.S.
  • In business since 2007
  • Financing options with multiple payment plans to choose from

Bottom Line

Sunrun offers no money down leases and loans with options to prepay or buy solar power with installs, 10-year roof warranties and rate protection. New installs also come with daily monitoring, free maintenance and insurance policies good for 20 years.

Visit Sunrun
Top Pick
SunPower

SunPower

800-SUNPOWER Visit Website
In Business Since
1985
System Warranty
25 years complete
Service Types
Residential, Commercial
Technology
Stanford-developed PV

What We Like

  • Solar system based on photovoltaic technology developed at Stanford University
  • Publicly traded company
  • Solar for residential, commercial & power plants
  • Reputation as one of the best solar companies in U.S.
  • Leads the industry in solar durability
  • Design & manufacturing focus

Bottom Line

SunPower has been leading global solar innovation since 1985. SunPower offers residential customers purchase, loan or no-money down lease options. Installations come with 25 year complete system warranties which cover product, service and power.

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Recommended
Sunnova

Sunnova

Visit Website
Founded
2012
Warranty
25 years
Monitoring
24/7
Payment Plans
4 options

What We Like

  • Helpful moving options
  • 24/7 system monitoring
  • 25 year warranty
  • Lifetime maintenance and repairs to the system
  • Four payment plans: EZ Pay PPA, PPA, EZ Own and Lease
  • Wide state availability

Bottom Line

Sunnova, founded in 2012, works with trusted local partners around the country to install its solar panels and provides high quality warranties, guarantees and monitoring services to residential and commercial customers. Sunnova works in 17 U.S. states.

Visit Sunnova

Benefits of Going Solar

Why homeowners are making the switch to solar energy

Lower Electric Bills

Generate your own electricity and dramatically reduce or eliminate your monthly electric bills.

Help the Environment

Reduce your carbon footprint by using clean, renewable energy from the sun instead of fossil fuels.

Increase Home Value

Homes with solar panels sell for more and faster than homes without solar installations.