| Published power range | 610–630 W |
| Scored benchmark | 630 W |
| Module efficiency | 23.34% |
| Temp. coefficient Pmax | -0.29 %/°C |
| First-year degradation | 1% |
| Annual degradation | 0.4 %/yr |
| Product warranty | 12 yr |
| Performance warranty | 30 yr |
| Encapsulation | Glass-glass (framed) |
| Energy yield test result | No public independent yield result found in reviewed sources |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
Helia NXTR G12R 132-cell · every criterion scored by the live rubric (Solar Analytica panel rubric v2.16.0), with its recorded value, evidence status, and any linked source. Page 1 carries the buying-decision summary; this page is 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 |
| Efficiency & Yield | |||
| Module efficiency (%) | 23.34 | datasheet | Source |
| Independent energy yield | No public independent yield result found in reviewed sources | reviewed absence | Source +2 |
| Temp coefficient Pmax (%/C) | -0.29 | datasheet | Source |
| Bifaciality factor (%) | 80 | datasheet | Source |
| Power tolerance (%) | 0.79 | datasheet | Source |
| Durability (verified) | |||
| Positive loading (MQT16, Pa) | 5400 | datasheet | Source |
| Negative loading (MQT16, Pa) | 2400 | datasheet | Source |
| Performance & Degradation | |||
| Guaranteed end-of-warranty output (%) | 87.4 | stated | Source |
| First-year degradation (%) | 1 | stated | Source |
| Annual degradation (%/yr) | 0.4 | stated | Source |
| Performance guarantee period (yrs) | 30 | stated | Source |
| Guarantee & Backbone | |||
| Guarantee period (yrs) | 12 | stated | Source |
| Guarantee assurance | Parts only | stated | Source |
| Warranty transferability | Transferable (buyer registration required within grace period) | stated | Source |
review.solar · audit sheet · Solar Analytica panel rubric v2.16.0 · https://review.solar/cards/jakson-helia-nxtr-jn630gr-in