review.solar · Sourced values document
Panel vision
420–435 W · N-type TOPCon · Bifacial · Dual-glass
Solarwatt
Specialist & Local
Released 2022 · Evidence checked 2026-07-16 · Scored to Solar Analytica panel rubric v2.9.0
71/100
Very good
Overall
Score by category
Architecture & Design
77
Efficiency & Yield
61
Durability (verified)
56
Performance & Degradation
79
Guarantee & Backbone
89
Sustainability
72
Sourced specification values
Published power range420–435 W
Scored benchmark435 W
Cell architectureTOPCon
Module efficiency22.3%
Temp. coefficient Pmax-0.3 %/°C
First-year degradation1%
Annual degradation0.33 %/yr
Product warranty30 yr
Performance warranty30 yr
EncapsulationGlass-glass (framed)
Energy yield test resultNot independently yield-tested
Reliability testingNot independently tested
Carbon footprint / EPDEPD published (intensity disclosed, not low-carbon certified)
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)

Panel vision · 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)est.No link
ContactMBB Wire front contactest.No link
Fire classification (IEC 61730)CertifiedstatedSource
AwardsNot Listedest.No link
Efficiency & Yield
Module efficiency (%)22.3datasheetSource
Independent energy yieldNot independently yield-testedest.No link
Temp coefficient Pmax (%/C)-0.3est.No link
NOCT (C)43est.No link
Bifaciality factor (%)80.0statedSource
Power tolerance (%)3est.No link
Durability (verified)
Verified reliabilityNot independently testedest.No link
Positive loading (MQT16, Pa)8100statedSource
Negative loading (MQT16, Pa)3600statedSource
PID (IEC TS 62804)Claimed, no test citedstatedSource
Salt mist (IEC 61701)Not ListedstatedSource
Hail resistanceIEC 61215 standard (25mm)est.No link

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/solarwatt-solarwatt-panel-vision-glass-glass-german-made

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

Panel vision · continued from page 2 · Solar Analytica rubric Solar Analytica panel rubric v2.9.0.

Performance & Degradation
Guaranteed end-of-warranty output (%)90.0datasheetSource
First-year degradation (%)1.0est.No link
Annual degradation (%/yr)0.33est.No link
Performance guarantee period (yrs)30est.No link
Guarantee & Backbone
Guarantee period (yrs)30est.No link
Guarantee assuranceParts & Serviceest.No link
Warranty transferabilityFully transferable (new owner, no registration required)est.No link
Financial strength & warranty backingFinancially strong (profitable / strong parent)secondaryNo link
Manufacturing track record15+ years, field-provensecondaryNo link
Sustainability
Carbon footprint / EPDEPD published (intensity disclosed, not low-carbon certified)est.No link
End-of-life & recycling disclosureTake-back or recycling program publishedstatedNo link

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/solarwatt-solarwatt-panel-vision-glass-glass-german-made