In Solar Installers

Which solar companies have the best warranties?

EditionNov 11, 2026Asked on 6 AI surfacesv5.0

AI Visibility Ranking

Brands ordered by GenRank score for this question.

DirectionalQuestion-level figures rest on at most 6 answers per brand, so treat them as direction, not a verdict; the category ranking is the number to judge by. Scores are for the week of 2026-11-08.

RankBrandNamed byScore
1Maxeon5/680.0
2Sunrun3/641.3
3Canadian Solar3/624.5
4Jinko3/624.0
5Qcells3/622.1
6SunPower1/621.5
7REC Group2/620.8
8Solar Optimum1/620.0
9Enphase2/619.4
10REC2/619.2

Sources these answers cited

The sites each surface's answer cited this week. The logos are the surfaces that cited the site.

SourceCited by
energysage.comSolar Panel Warranties: What To Know3 surfaces
greenlancer.comBest Solar Panel Warranty Guide for Installers for 20263 surfaces
mysolarfy.comBest Solar Panel Warranty 2026: Brands Ranked by Coverage2 surfaces
solarpermitsolutions.comSolar Panel Warranties Explained: 2026 Installer's Guide2 surfaces
sunsuppv.comsunsuppv.com2 surfaces
thisoldhouse.comThe Best Solar Companies (2026 Guide)2 surfaces
consumeraffairs.comBest Solar Companies: We Did The Research For You1 surfaces
cptlenergy.comcptlenergy.com1 surfaces
ecowatch.comSolar Panel Warranty 101 (What to Know in 2026)1 surfaces
forbes.commedia · Best Solar Companies Of 20261 surfaces
greencalcs.comSolar Panel Warranty Comparison 2026: Product, Power & Labor1 surfaces
greenmatters.comgreenmatters.com1 surfaces

15 more

Rank trend

Rank trends are drawn once two weekly editions under the same methodology exist. Only the first edition is in so far.