review.solar · Sourced values document
TOPBiHiKu6 66TB
595–620 W · 66-cell · N-type TOPCon · Bifacial · Dual-glass
Canadian Solar
Global Tier-1
Released 2022 · Evidence checked 2026-06-16 · Scored to Solar Analytica panel rubric v2.9.0
74/100
Very good
Overall
Score by category
Architecture & Design
77
Efficiency & Yield
73
Durability (verified)
73
Performance & Degradation
73
Guarantee & Backbone
62
Sustainability
100
Sourced specification values
Published power range595–620 W
Scored benchmark620 W
Cell architectureTOPCon
Module efficiency23%
Temp. coefficient Pmax-0.29 %/°C
First-year degradation1%
Annual degradation0.4 %/yr
Product warranty12 yr
Performance warranty30 yr
EncapsulationGlass-glass (framed)
Energy yield test resultField/PAN energy-yield validated
Reliability testingTop Performer (multi-year)
Carbon footprint / EPDEPD verified, <400 kg CO₂/kWp (certified low-carbon manufacturing)
Hail resistanceEnhanced hail 35mm certified

Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.

Page 2 · Audit sheet: complete sourced record (1 of 2)

TOPBiHiKu6 66TB · every criterion scored by the live rubric (Solar Analytica panel rubric v2.9.0), with its recorded value, evidence status, and any linked source. Page 1 carries the buying-decision summary; this and the next page are the full record for verification and right of reply.

Architecture & Design
Cell architectureTOPCondatasheetSource
Encapsulation & frame constructionGlass-glass (framed)datasheetSource
ContactMBB Wire front contactdatasheetNo link
Fire classification (IEC 61730)CertifiedstatedNo link
AwardsNot Listednot foundNo link
Efficiency & Yield
Module efficiency (%)23.0datasheetSource
Independent energy yieldField/PAN energy-yield validated3rd partySource
Temp coefficient Pmax (%/C)-0.29datasheetSource
NOCT (C)43est.No link
Bifaciality factor (%)80.0datasheetSource
Power tolerance (%)2datasheetNo link
Durability (verified)
Verified reliabilityTop Performer (multi-year)3rd partySource
Positive loading (MQT16, Pa)5400datasheetSource
Negative loading (MQT16, Pa)2400datasheetSource
PID (IEC TS 62804)Claimed, no test citedstatedNo link
Salt mist (IEC 61701)Not ListedstatedNo link
Hail resistanceEnhanced hail 35mm certifiedest.No link
Ammonia resistance (IEC 62716)Not listedderivedNo link
Damp heat extended (2000h)1000h IEC 61215 standardderivedNo link

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/canadian-solar-topbihiku6-n-type-bifacial-topcon-620w

Page 3 · Audit sheet: complete sourced record (2 of 2)

TOPBiHiKu6 66TB · continued from page 2 · Solar Analytica rubric Solar Analytica panel rubric v2.9.0.

Performance & Degradation
Guaranteed end-of-warranty output (%)87.4datasheetSource
First-year degradation (%)1.0datasheetSource
Annual degradation (%/yr)0.4datasheetSource
Performance guarantee period (yrs)30datasheetSource
Guarantee & Backbone
Guarantee period (yrs)12datasheetSource
Guarantee assuranceParts onlydatasheetNo link
Warranty transferabilityNot transferable / not disclosedest.No link
Financial strength & warranty backingStable / listedsecondarySource
Manufacturing track record15+ years, field-provensecondarySource
Sustainability
Carbon footprint / EPDEPD verified, <400 kg CO₂/kWp (certified low-carbon manufacturing)secondarySource
End-of-life & recycling disclosureTake-back program + named recycling partner or third-party-verified recyclabilstatedSource

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/canadian-solar-topbihiku6-n-type-bifacial-topcon-620w