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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

THC TWMHF-66HD700–735 W

Tongwei | TWMHF-66HD700 through TWMHF-66HD735 (132 (6x22) cells, N-type THC heterojunction, bifacial double glass); scored model TWMHF-66HD735

66-cellBifacialDual-glass

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-18

Class-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

MeasureTHC TWMHF-66HDComet 1N
Architecture & Design77 / 10088 / 100
Efficiency & Yield75 / 10073 / 100
Durability (verified)63 / 10081 / 100
Performance & Degradation73 / 10078 / 100
Guarantee & Backbone41 / 10064 / 100
Sustainability48 / 10080 / 100

Architecture & Design

THC TWMHF-66HD
77 / 100
Comet 1N
88 / 100

Efficiency & Yield

THC TWMHF-66HD
75 / 100
Comet 1N
73 / 100

Durability (verified)

THC TWMHF-66HD
63 / 100
Comet 1N
81 / 100

Performance & Degradation

THC TWMHF-66HD
73 / 100
Comet 1N
78 / 100

Guarantee & Backbone

THC TWMHF-66HD
41 / 100
Comet 1N
64 / 100

Sustainability

THC TWMHF-66HD
48 / 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.

MeasureTHC TWMHF-66HDComet 1N
ArchitectureSolar moduleABC module
Published rated power range700–735 W590–615 W
Scored benchmark735 W615 W
Power735 W615 W
Efficiency23.66 %23.8 % (better value on this row)
CellN-type heterojunction (TN-type ABC silicon
Temp coeff-0.24 %/°C (better value on this row)-0.26 %/°C

Architecture

THC TWMHF-66HD
Solar module
Comet 1N
ABC module

Published rated power range

THC TWMHF-66HD
700–735 W
Comet 1N
590–615 W

Scored benchmark

THC TWMHF-66HD
735 W
Comet 1N
615 W

Power

THC TWMHF-66HD
735 W
Comet 1N
615 W

Efficiency

THC TWMHF-66HD
23.66 %
Comet 1N
23.8 % (better value on this row)

Cell

THC TWMHF-66HD
N-type heterojunction (T
Comet 1N
N-type ABC silicon

Temp coeff

THC TWMHF-66HD
-0.24 %/°C (better value on this row)
Comet 1N
-0.26 %/°C
Decision snapshot

Where the comparison separates

OverallComet 1N leads the global score by 12 points.
Strongest dimensionsTHC TWMHF-66HD: Architecture & Design · Comet 1N: Architecture & Design
Largest differenceComet 1N has the largest pillar edge in Sustainability (32 points).
Evidence coverageTHC TWMHF-66HD: 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.