Emerging Technology
Copper HJT
SunDrive | Cu-HJT (pre-commercial)
HJT
44/ 100
Strong evidence coverage · 100%
Evidence checked 2026-08-22
Heterojunction (HJT)
Full scorecard Score profile
| Measure | Copper HJT | Centaur 2LT |
|---|---|---|
| Architecture & Design | ||
| Efficiency & Yield | ||
| Durability (verified) | ||
| Performance & Degradation | ||
| Guarantee & Backbone | ||
| Sustainability |
Architecture & Design
- Copper HJT
57 / 100 - Centaur 2LT
81 / 100
Efficiency & Yield
- Copper HJT
42 / 100 - Centaur 2LT
64 / 100
Durability (verified)
- Copper HJT
40 / 100 - Centaur 2LT
43 / 100
Performance & Degradation
- Copper HJT
40 / 100 - Centaur 2LT
40 / 100
Guarantee & Backbone
- Copper HJT
39 / 100 - Centaur 2LT
40 / 100
Sustainability
- Copper HJT
46 / 100 - Centaur 2LT
52 / 100
Key specifications
| Measure | Copper HJT | Centaur 2LT |
|---|---|---|
| Architecture | HJT module | Perovskite-silicon tandem module |
| Power | Not recorded | 540 W |
| Efficiency | Not recorded | 25.0 % |
| Cell | Heterojunction (HJT) | Perovskite-silicon tande |
| Temp coeff | Not recorded | -0.21 %/°C |
| Published rated power range | Not stated | 510–540 W |
| Scored benchmark | Not stated | 540 W |
Architecture
- Copper HJT
- HJT module
- Centaur 2LT
- Perovskite-silicon tandem module
Power
- Copper HJT
- Not recorded
- Centaur 2LT
- 540 W
Efficiency
- Copper HJT
- Not recorded
- Centaur 2LT
- 25.0 %
Cell
- Copper HJT
- Heterojunction (HJT)
- Centaur 2LT
- Perovskite-silicon tande
Temp coeff
- Copper HJT
- Not recorded
- Centaur 2LT
- -0.21 %/°C
Published rated power range
- Copper HJT
- Not stated
- Centaur 2LT
- 510–540 W
Scored benchmark
- Copper HJT
- Not stated
- Centaur 2LT
- 540 W
Where the comparison separates
OverallCentaur 2LT leads the global score by 10 points.
Strongest dimensionsCopper HJT: Architecture & Design · Centaur 2LT: Architecture & Design
Largest differenceCentaur 2LT has the largest pillar edge in Architecture & Design (24 points).
Evidence coverageCopper HJT: strong evidence coverage (100%) · Centaur 2LT: strong evidence coverage (100%)
A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.
Both products are scored in the Emerging Technology class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.