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📋 September 2026 Rankings  ·  Columbus, Ohio

Top 5 Residential Solar Companies
Serving San Diego County

Our team independently reviewed the leading solar installers in San Diego — evaluating financing, warranties, local reputation, and installation quality.

Editorial ratings, not verified consumer reviews. Advertiser disclosure →

#2
Excellent
★★★★½
9.1
Score
Sunrun
  • Flexible financing directly from Sunrun
  • In-house designers, installers & consultants
  • 3-year installation warranty
#3
Very Good
★★★★
8.9
Score
SunPower
  • Highest efficiency panels on the market
  • 25-year all-inclusive warranty
  • Lock in electricity rate for 20+ years
#4
Good
★★★★
8.5
Score
Momentum Solar
  • Low or zero upfront costs available
  • Complimentary tree removal if needed
  • Paid referral program for new customers
#5
Good
★★★½
8.1
Score
ADT Solar
  • Backed by ADT's nationwide reputation
  • Flexible $0-down solar loans
  • Integrated home security + solar packages
⭐ Editorial Top Pick — 2026

Sunlight Solar

San Diego's top-rated local installer — $0-down ESA program, 25-year guarantee

$0 out-of-pocket installation
High-efficiency panels, local crew
25-year performance warranty
SDGE savings from day one
30% Federal Tax Credit guidance
Free no-obligation home assessment

*Savings estimates based on typical SD County homeowner averages and vary by home, usage, and utility rates. 30% Federal Tax Credit eligibility depends on individual tax situation — consult a tax professional. Program availability subject to change.

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