Updated for 2026
Independent Consumer Guide
Transparent Estimates
No Obligation Quotes

Side-by-Side Comparison

Compare Top Solar Installers

EnergySage, SunPower, and Palmetto Solar — compared on cost, coverage, warranty, and financing so you can make an informed decision.

Feature
Most PopularEnergySageMarketplace
Premium QualitySunPowerNational Installer
Tech-ForwardPalmetto SolarNational Installer
CoverageNationwide40+ States30+ States
Avg System Cost$2.50–$3.20/W$3.00–$4.00/W$2.70–$3.50/W
Financing Available
Warranty25 yr panels / 10 yr workmanship25 yr complete system25 yr panels / 10 yr workmanship
Quotes Provided3–7 quotes1 quote1 quote
Best ForComparing multiple installersPremium panels, single installerTech-forward homeowners
Get QuotesGet Quotes →Get Quotes →Get Quotes →

* Affiliate disclosure: We may earn a referral fee when you click installer links. This does not affect our ratings or recommendations.

Pros & Cons Breakdown

EnergySage

Pros

  • Multiple competing quotes
  • Transparent pricing
  • Vetted installers
  • No pressure sales

Cons

  • You'll get multiple calls
  • Not available in all rural areas
Get Quotes from EnergySage

SunPower

Pros

  • Highest efficiency panels
  • 25-yr complete warranty
  • Strong brand reputation
  • In-house financing

Cons

  • Higher cost than average
  • Single quote, no competition
Get Quotes from SunPower

Palmetto Solar

Pros

  • App-based monitoring
  • Competitive pricing
  • Clean energy focus
  • Solid customer reviews

Cons

  • Coverage not nationwide
  • Newer brand, less history
Get Quotes from Palmetto Solar

Not Sure Which Is Right for You?

Use our free calculator to estimate your savings first, then compare quotes from all three installers.