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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Premium Performance

UL-132DDGB back-contact640–665 W

Ulica Solar | UL-640M-132DDGB through UL-665M-132DDGB (132 (6x22) cells, back-contact bifacial double glass); scored model UL-665M-132DDGB

BifacialDual-glassHPBC

64/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-08-18

24.62% EfficiencyClass-Leading Temp CoeffBifacialGlass-Glass
Full scorecard
Premium Performance

Comet 1N590–615 W

AIKO | AIKO-A615-MAH72Mw

72-cellMono-glassABCRear contact

78/ 100

Superior

Strong evidence coverage · 81%

Evidence checked 2026-08-01

Back-Contact CellClass-Leading Temp Coeff15+ Yrs Field-ProvenPVEL Top Performer
Full scorecard
Side by side

Score profile

MeasureUL-132DDGB back-contactComet 1N
Architecture & Design76 / 10088 / 100
Efficiency & Yield75 / 10073 / 100
Durability (verified)52 / 10081 / 100
Performance & Degradation78 / 10078 / 100
Guarantee & Backbone41 / 10064 / 100
Sustainability46 / 10080 / 100

Architecture & Design

UL-132DDGB back-contact
76 / 100
Comet 1N
88 / 100

Efficiency & Yield

UL-132DDGB back-contact
75 / 100
Comet 1N
73 / 100

Durability (verified)

UL-132DDGB back-contact
52 / 100
Comet 1N
81 / 100

Performance & Degradation

UL-132DDGB back-contact
78 / 100
Comet 1N
78 / 100

Guarantee & Backbone

UL-132DDGB back-contact
41 / 100
Comet 1N
64 / 100

Sustainability

UL-132DDGB back-contact
46 / 100
Comet 1N
80 / 100
Side by side

Key specifications

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasureUL-132DDGB back-contactComet 1N
ArchitectureHPBC moduleABC module
Published rated power range640–665 W590–615 W
Scored benchmark665 W615 W
Power665 W615 W
Efficiency24.62 % (better value on this row)23.8 %
CellN-type back-contact (HPBN-type ABC silicon
Temp coeff-0.26 %/°C-0.26 %/°C

Architecture

UL-132DDGB back-contact
HPBC module
Comet 1N
ABC module

Published rated power range

UL-132DDGB back-contact
640–665 W
Comet 1N
590–615 W

Scored benchmark

UL-132DDGB back-contact
665 W
Comet 1N
615 W

Power

UL-132DDGB back-contact
665 W
Comet 1N
615 W

Efficiency

UL-132DDGB back-contact
24.62 % (better value on this row)
Comet 1N
23.8 %

Cell

UL-132DDGB back-contact
N-type back-contact (HPB
Comet 1N
N-type ABC silicon

Temp coeff

UL-132DDGB back-contact
-0.26 %/°C
Comet 1N
-0.26 %/°C
Decision snapshot

Where the comparison separates

OverallComet 1N leads the global score by 14 points.
Strongest dimensionsUL-132DDGB back-contact: Performance & Degradation · Comet 1N: Architecture & Design
Largest differenceComet 1N has the largest pillar edge in Sustainability (34 points).
Evidence coverageUL-132DDGB back-contact: strong evidence coverage (100%) · Comet 1N: strong evidence coverage (81%)

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 Premium Performance class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.