| Published power range | 490–515 W |
| Scored benchmark | 515 W |
| Module efficiency | 23.2% |
| Temp. coefficient Pmax | -0.29 %/°C |
| First-year degradation | 1% |
| Annual degradation | 0.4 %/yr |
| Product warranty | 25 yr |
| Performance warranty | 30 yr |
| Encapsulation | Glass-glass (framed) |
| Energy yield test result | Not independently yield-tested |
| Reliability testing | Brand or series independently tested; exact model not covere |
| Carbon footprint / EPD | Not published |
| Hail resistance | IEC 61215 standard (25mm) |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
Vertex S+ NEG18R.25 · every criterion scored by the live rubric (Solar Analytica panel rubric v2.14.0), 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 technology tier | TOPCon tier | datasheet | Source |
| Encapsulation & frame construction | Glass-glass (framed) | datasheet | Source |
| Contact | MBB Wire front contact | datasheet | Source +1 |
| Fire classification (IEC 61730) | Certified | datasheet | Source |
| Efficiency & Yield | |||
| Module efficiency (%) | 23.2 | datasheet | Source |
| Independent energy yield | Not independently yield-tested | reviewed absence | Source +2 |
| Temp coefficient Pmax (%/C) | -0.29 | datasheet | Source |
| NOCT (C) | 43 | datasheet | Source |
| Power tolerance (%) | 1 | datasheet | Source +1 |
| Durability (verified) | |||
| Verified reliability | Brand or series independently tested; exact model not covered | reviewed absence | Source +2 |
| Positive loading (MQT16, Pa) | 5400 | datasheet | Source |
| Negative loading (MQT16, Pa) | 2400 | datasheet | Source |
| PID (IEC TS 62804) | Not addressed | reviewed absence | Source |
| Salt mist (IEC 61701) | Not Listed | reviewed absence | Source |
| Hail resistance | IEC 61215 standard (25mm) | datasheet | Source |
| Ammonia resistance (IEC 62716) | Not listed | reviewed absence | Source |
| LeTID resistance (IEC TS 63342) | Not addressed | not found | No link |
review.solar · audit sheet · Solar Analytica panel rubric v2.14.0 · https://review.solar/cards/trina-solar-vertex-s-n-type-i-topcon-tsm-neg18r-25-515w
Vertex S+ NEG18R.25 · continued from page 2 · Solar Analytica rubric Solar Analytica panel rubric v2.14.0.
| Performance & Degradation | |||
| Guaranteed end-of-warranty output (%) | 87.4 | datasheet | Source |
| First-year degradation (%) | 1.0 | datasheet | Source |
| Annual degradation (%/yr) | 0.4 | datasheet | Source |
| Performance guarantee period (yrs) | 30 | datasheet | Source |
| Guarantee & Backbone | |||
| Guarantee period (yrs) | 25 | datasheet | Source |
| Guarantee assurance | Parts & Service | datasheet | Source |
| Warranty transferability | Fully transferable (new owner, no registration required) | datasheet | Source |
| Financial strength & warranty backing | Stable / listed | reviewed absence | Source |
| Manufacturing track record | 15+ years, field-proven | secondary | Source |
| Sustainability | |||
| Carbon footprint / EPD | Not published | reviewed absence | Source |
| End-of-life & recycling disclosure | Take-back or recycling program published | stated | Source |
review.solar · audit sheet · Solar Analytica panel rubric v2.14.0 · https://review.solar/cards/trina-solar-vertex-s-n-type-i-topcon-tsm-neg18r-25-515w