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Thin-film

Series 7 TR1

525–550 W · CdTe thin-film · Dual-glass

First SolarReleased 2019

63/ 100

Good

Global

PVEL Top PerformerGlass-GlassMade in USA

The verdict. In our Thin-film class, First Solar Series 7 TR1 leads on architecture & design.

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The assessment

How it scores, by category

Architecture & Design76
Efficiency & Yield72
Durability (verified)71
Performance & Degradation55
Guarantee & Backbone38
Sustainability46

Our reading

Its strongest scoring dimension is architecture & design (76). Guarantee & Backbone (38) is the dimension with the most room to move.

The data

Power
550W
Efficiency
19.7%
Cell
CdTe thin-film
Temp coeff
-0.32%/°C
Technology architecture

CdTe thin-film module

Architecture guide

Produces DC electricity at the roof. It contains no system-level power conversion or storage.

Product role
None in the module.
Published range
525–550 W
Electrical layer
DC module output
Construction
Dual-glass
Architecture describes the product boundary. It is not a system design or an equipment-pairing decision.
Before you buy
Local positionUse a market view to check local availability, approvals and warranty scope.
Ask the installerWill the quote name the exact Series 7 TR1 model and wattage, and who covers labour if the module warranty is used?

Verification & sources

Market context

Global evidencechange in the site menu

Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.

Benchmark anchor. The score is anchored to the highest published rating in this exact published US series. Scored model: FS-7550A-TR1 · checked 2026-07-16. Evidence.

Sources & references · checked 2026-08-05

Strong evidence coverage

9 of 12 scored criteria link directly to a published source.

Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.

Change ledger

Product record history

  1. Record updated

    Global score

    Before
    62.7
    After
    63.2
    Primary datasheet
  2. Record updated

    Durability (verified) pillar score

    Before
    71.1
    After
    71
    Primary datasheet
  3. Record updated

    Architecture & Design pillar score

    Before
    72.7
    After
    76
    Primary datasheet

This is review.solar's publication history. It does not claim the product changed on the recorded date, and it excludes compatibility, system pairing, installation suitability and relative leaderboard prose. Open the complete JSON record.

Evidence timeline

Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.

  1. Core scorecard evidence checked
  2. US market evidence checked
  3. Series benchmark evidence checked
  4. AU market evidence checked

Evidence record (JSON)

Scored by Solar Analytica Research

Stay across the benchmark.

New scorecards, score changes and market signals, published as they happen.