review.solar · Sourced values document
Vertex N NEG19RC.20
610–635 W · N-type TOPCon · Dual-glass
Trina Solar
Global Tier-1
Released 2023 · Evidence checked 2026-06-16 · Scored to Solar Analytica panel rubric v2.9.0
73/100
Very good
Overall
Score by category
Architecture & Design
74
Efficiency & Yield
73
Durability (verified)
76
Performance & Degradation
73
Guarantee & Backbone
62
Sustainability
91
Sourced specification values
Published power range610–635 W
Scored benchmark635 W
Cell architectureTOPCon
Module efficiency23.5%
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)

Vertex N NEG19RC.20 · 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)Not listedstatedNo link
AwardsNot Listednot foundNo link
Efficiency & Yield
Module efficiency (%)23.5datasheetSource
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 (%)1datasheetNo link
Durability (verified)
Verified reliabilityTop Performer (multi-year)3rd partySource
Positive loading (MQT16, Pa)5400datasheetSource
Negative loading (MQT16, Pa)2400datasheetSource
PID (IEC TS 62804)Independently tested / certifiedstatedNo 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/trina-solar-vertex-n-n-type-i-topcon-tsm-neg19rc-20-635w

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

Vertex N NEG19RC.20 · 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)datasheetSource
End-of-life & recycling disclosureTake-back or recycling program publishedstatedSource

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/trina-solar-vertex-n-n-type-i-topcon-tsm-neg19rc-20-635w