review.solar · Sourced values document
Series 7 TR1
525–550 W · CdTe thin-film
First Solar
Thin-film
Released 2019 · Evidence checked 2026-07-16 · Scored to Solar Analytica panel rubric v2.9.0
73/100
Very good
Overall
Score by category
Architecture & Design
73
Efficiency & Yield
74
Durability (verified)
68
Performance & Degradation
78
Guarantee & Backbone
73
Sustainability
73
Sourced specification values
Published power range525–550 W
Scored benchmark550 W
Manufacturing track record15+ years, field-proven

Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.

Page 2 · Audit sheet: complete sourced record

Series 7 TR1 · every criterion scored by the live rubric (Solar Analytica panel rubric v2.9.0), 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 architectureThin-film (CdTe)datasheetSource
Encapsulation & frame constructionFrameless glass-glassderivedNo link
AwardsNot Listedest.No link
Efficiency & Yield
Module efficiency (%)19.7datasheetSource
Independent energy yieldField/PAN energy-yield validatedest.No link
Temp coefficient Pmax (%/C)-0.32datasheetSource
NOCT (C)45est.No link
Power tolerance (%)5datasheetSource
Durability (verified)
Verified reliabilityTop Performer (multi-year)secondaryNo link
Positive loading (MQT16, Pa)2400datasheetSource
Negative loading (MQT16, Pa)2400datasheetSource
PID (IEC TS 62804)Claimed, no test citedstatedNo link
Salt mist (IEC 61701)Not Listedest.No link
Performance & Degradation
Guaranteed end-of-warranty output (%)89est.No link
First-year degradation (%)2.0est.No link
Annual degradation (%/yr)0.3datasheetSource
Performance guarantee period (yrs)30est.No link
Guarantee & Backbone
Guarantee period (yrs)12datasheetSource
Guarantee assuranceParts & Serviceest.No link
Warranty transferabilityTransferable (buyer registration required within grace period)est.No link
Financial strength & warranty backingFinancially strong (profitable / strong parent)est.No link
Manufacturing track record15+ years, field-provenest.No link
Sustainability
Carbon footprint / EPDEPD verified, <400 kg CO₂/kWp (certified low-carbon manufacturing)est.No link

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/first-solar-first-solar-series-7-tr1-cdte-thin-film-us-made