review.solar · Sourced values document
Prime QD
420–440 W · N-type TOPCon · Mono-glass
Silfab
Specialist & Local
Released 2022 · Evidence checked 2026-07-15 · Scored to Solar Analytica panel rubric v2.9.0
67/100
Very good
Overall
Score by category
Architecture & Design
72
Efficiency & Yield
56
Durability (verified)
55
Performance & Degradation
78
Guarantee & Backbone
83
Sustainability
66
Sourced specification values
Published power range420–440 W
Scored benchmark440 W
Cell architectureTOPCon
Module efficiency22.6%
Temp. coefficient Pmax-0.29 %/°C
First-year degradation2%
Annual degradation0.3 %/yr
Product warranty25 yr
Performance warranty30 yr
EncapsulationGlass-backsheet (standard or unspecified backsheet)
Energy yield test resultNot independently yield-tested
Reliability testingNot independently tested
Carbon footprint / EPDCarbon footprint / corporate ESG stated (no EPD)
Hail resistanceIEC 61215 standard (25mm)

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)

Prime QD · 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 architectureTOPConstatedNo link
Encapsulation & frame constructionGlass-backsheet (standard or unspecified backsheet)statedNo link
ContactMBB Wire front contactest.No link
Fire classification (IEC 61730)CertifieddatasheetSource
AwardsNot Listedest.No link
Efficiency & Yield
Module efficiency (%)22.6datasheetSource
Independent energy yieldNot independently yield-testedest.No link
Temp coefficient Pmax (%/C)-0.29datasheetSource
NOCT (C)45datasheetSource
Power tolerance (%)3est.No link
Durability (verified)
Verified reliabilityNot independently testedest.No link
Positive loading (MQT16, Pa)5400datasheetSource
Negative loading (MQT16, Pa)4000datasheetSource
PID (IEC TS 62804)Not addressedstatedNo link
Salt mist (IEC 61701)Severity 1statedSource
Hail resistanceIEC 61215 standard (25mm)datasheetSource
Ammonia resistance (IEC 62716)IEC 62716 certifieddatasheetSource

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/silfab-solar-silfab-prime-sil-440-qd-north-american-made

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

Prime QD · continued from page 2 · Solar Analytica rubric Solar Analytica panel rubric v2.9.0.

Performance & Degradation
Guaranteed end-of-warranty output (%)89.3datasheetSource
First-year degradation (%)2.0datasheetSource
Annual degradation (%/yr)0.3datasheetSource
Performance guarantee period (yrs)30datasheetSource
Guarantee & Backbone
Guarantee period (yrs)25datasheetSource
Guarantee assuranceParts & Serviceest.No link
Warranty transferabilityTransferable (buyer registration required within grace period)est.No link
Financial strength & warranty backingFinancially strong (profitable / strong parent)secondaryNo link
Manufacturing track record15+ years, field-provensecondaryNo link
Sustainability
Carbon footprint / EPDCarbon footprint / corporate ESG stated (no EPD)est.No link
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/silfab-solar-silfab-prime-sil-440-qd-north-american-made