The assessment
How it scores, by category
Market position
The data
N-type TOPCon module
Produces DC electricity at the roof. It contains no system-level power conversion or storage.
- Product role
- None in the module.
- Published range
- 715–740 W
- Electrical layer
- DC module output
- Construction
- Bifacial, Dual-glass
Performance guarantee: 30-year linear output
Wattage figure based on the sourced rated power (740 W) applied to the guaranteed floor; modular/format differences aside, this is the same rated-power spec shown above.
Modelled effective output, year by year
Year 1 to year 25, at 30°C and 1000 W/m². Rated 740 W at STC.
How this is modelled
Compounds this panel’s own published first-year (1%) and annual (0.4%/yr) degradation figures against its 740 W rated (STC) output, then derates for the ambient and irradiance selected. Output is scaled roughly linearly with irradiance (1000 W/m² against the 1000 W/m² STC reference). This is the dominant real-world effect at low light, whether from cloud, shading or soiling. Output is then further derated for heat, from this panel’s own NOCT (43°C) and temperature coefficient (-0.29%/°C), giving an estimated cell temperature of 59°C at that ambient and irradiance. A datasheet-derived estimate, not a field measurement or a warranty guarantee: it does not account for this panel’s own low-light efficiency response (a separate, less-consistently-published spec), or for wind and system design. See NOCT and temperature coefficient in the glossary.
Control panel
| Year | 1 | 5 | 10 | 15 | 20 | 25 |
|---|---|---|---|---|---|---|
| Watts | 661 W | 650 W | 637 W | 624 W | 610 W | 597 W |
| % of rated | 89.3% | 87.9% | 86.1% | 84.3% | 82.5% | 80.6% |
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 Australian rating in this exact series. Scored model: TSM-740NEG21C.20 · checked 2026-08-06. Evidence.
Sources & references · checked 2026-09-06
Strong evidence coverage
28 of 28 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.
Record revision. Vertex N NEG21C.20 exact current 715-740 W sheet and 2026 PVEL registry rechecked 2026-08-23; unsupported contact, PID and environmental claims withdrawn while AU status remains available. First-market US and DE overlay review 2026-09-01: official regional catalogues recorded; Australian overlays and scores unchanged.
- Sourced valuesData card →
- Warranty summary12-year product warranty →
Show 4 more
- Archived copy of the primary sourcePDF ↗
- Verified reliabilityIndependent test ↗
- Financial strength & warranty backingWarranty ↗
- Independent energy yieldIndependent test ↗
Product record history
3 changes to this record · 8 products changed in this update
DE Support Note
- Current text
- trinasolar.com/de/NEG21C.20/ retrieves. The linked German-site datasheet DT-M-0042-G EN 2024 B names TSM-NEG21C.20 695-720 W. Scored TSM-740NEG21C.20 (715-740 W) is outside that window and is not named. The 720 W German bin and NEG21C.20Q are not transferred. The previously cited German 2024 A PDF remains HTTP 404. Trace Research adjudication is the research lock.
The previous text is not reproduced here: both versions run to a full research paragraph. Both are in the JSON record linked below.
DE market evidenceNOCT (C)+4 in JSON recordDE Evidence sources
- Before
- https://static.trinasolar.com/sites/default/files/DT-M-0042-G-DE-Datasheet_VertexN_NEG21C.20_2024_A.pdf; https://static.trinasolar.com/sites/default/files/DT-M-0042_NEG21C.20_EN_2025_A.pdf; https://www.trinasolar.com/us/n-720w-tsm-neg21c-20
- After
- https://static.trinasolar.com/sites/default/files/DT-M-0042-G-DE-Datasheet_VertexN_NEG21C.20_2024_A.pdf; https://www-cdn.trinasolar.com/wwwstorage/sites/8/DT-M-0042-G-Datasheet_Vertex_NEG21C.20_EN_2024_B.pdf; https://www.trinasolar.com/de/NEG21C.20/; https://www.trinasolar.com/de/VertexN/
9 changes to this record · 152 products changed in this update
Source revision
- Before
- Vertex N NEG21C.20 exact current 715-740 W sheet and 2026 PVEL registry rechecked 2026-08-23; unsupported contact, PID and environmental claims withdrawn while AU status remains available.
- After
- Vertex N NEG21C.20 exact current 715-740 W sheet and 2026 PVEL registry rechecked 2026-08-23; unsupported contact, PID and environmental claims withdrawn while AU status remains available. First-market US and DE overlay review 2026-09-01: official regional catalogues recorded; Australian overlays and scores unchanged.
DE Evidence sources
- Before
- Not previously recorded
- After
- https://static.trinasolar.com/sites/default/files/DT-M-0042-G-DE-Datasheet_VertexN_NEG21C.20_2024_A.pdf; https://static.trinasolar.com/sites/default/files/DT-M-0042_NEG21C.20_EN_2025_A.pdf; https://www.trinasolar.com/us/n-720w-tsm-neg21c-20
DE Support Note
- Before
- Not previously recorded
- After
- No current German product page or datasheet naming TSM-740NEG21C.20 was retrieved. The previously cited DT-M-0042-G German datasheet now returns HTTP 404. This is an access and catalogue gap, not a finding of unavailability. The live North American 695-725 W sheet is not a German sale path.
US Support Note
- Before
- Not previously recorded
- After
- trinasolar.com/us/n-720w-tsm-neg21c-20 and the linked NA datasheet DT-M-0085 name TSM-NEG21C.20 695-725W. The scored Australian bin is TSM-740NEG21C.20 (715-740W). 740 W is outside the NA range, so the identity is not on the United States sale path. The global EN 715-740W sheet is not a United States sale path.
US Evidence sources
- Before
- Not previously recorded
- After
- https://static.trinasolar.com/sites/default/files/DT-M-0042_NEG21C.20_EN_2025_A.pdf; https://www-cdn.trinasolar.com/wwwstorage/sites/17/DT-M-0085-NA-EN_NA_Datasheet_210_NEG21C.20_EN_2026A.pdf; https://www.trinasolar.com/us/n-720w-tsm-neg21c-20
2 changes to this record · 109 products changed in this update
2 changes to this record · 147 products changed in this update
0D0220899290
- Before
- Not previously recorded
- After
- accepted at: 2026-08-29; category: module; certification model: TSM-740NEG21C.20 (IEC 61215-2021); jurisdiction: au_cec; match method: exact_normalized_single_record; product slug: trina-solar-vertex-n-n-type-i-topcon-tsm-neg21c-20-725w; source key: data/trina_vertex_neg21c_725.json; source manufacturer name: Trina Solar Co Ltd; validation: approved at: 2026-05-22; candidate model: TSM-740NEG21C.20 (IEC 61215-2021); data confidence: High; evidence url: https://cer.gov.au/document/cec-approved-pv-modules-0; expires at: 2029-05-22; list data version: au-cer-module-2026-08-20-4e04f9838af2; list retrieved at: 2026-08-27T04:30:12Z; listing status at validation: listed
Certification model
- Before
- Not previously recorded
- After
- TSM-740NEG21C.20 (IEC 61215-2021)
1 change to this record · 118 products changed in this update
Independent energy yield: Evidence sources
- Before
- https://scorecard.pvel.com/manufacturer_name/trina/; https://web.archive.org/web/20240521172951/https://scorecard.pvel.com/manufacturer_name/trina/
- After
- https://scorecard.pvel.com/methodology/; https://scorecard.pvel.com/top-performers/; https://scorecard.pvel.com/wp-content/uploads/2024-PV-Module-Reliability-Scorecard.pdf
18 changes to this record · 34 products changed in this update
Contact: Evidence status
- Before
- sourced
- After
- No longer recorded
Salt mist (IEC 61701): Evidence sources
- Before
- After
- https://scorecard.pvel.com/top-performers/; https://www-cdn.trinasolar.com/wwwstorage/sites/5/DT-M-0042-AUS-EN-J-Datasheet_Vertex_NEG21C.20_715-740-2025_Cweb.pdf
Ammonia resistance (IEC 62716): Evidence status
- Before
- derived
- After
- reviewed_absence
Source revision
- Before
- Trina DT-M-0042 AUS EN J, version TSM_AUS_EN_2025_C, global warranty PS-M-0135-Y and Vertex manual reviewed 2026-08-06 LeTID re-verified 2026-08-19 for rubric v2.12.0: scored under the returned criterion on the evidence recorded in its provenance. Re-verification 2026-08-19: Verified reliability recorded as "Brand or series independently tested; exact model not covered" under panel rubric v2.13.0, which added a band for brand or series evidence where the exact model is not covered by the third-party record. Re-verification 2026-08-20: Independent energy yield recorded as brand-or-series under panel rubric v2.14.0, which applied to this criterion the same exact-model rule v2.13.0 applied to Verified reliability.
- After
- Vertex N NEG21C.20 exact current 715-740 W sheet and 2026 PVEL registry rechecked 2026-08-23; unsupported contact, PID and environmental claims withdrawn while AU status remains available.
Contact
- Before
- MBB Wire front contact
- After
- No longer recorded
Contact: Evidence sources
- Before
- After
- No longer recorded
LeTID resistance (IEC TS 63342): Evidence sources
- Before
- After
- https://scorecard.pvel.com/top-performers/; https://www-cdn.trinasolar.com/wwwstorage/sites/5/DT-M-0042-AUS-EN-J-Datasheet_Vertex_NEG21C.20_715-740-2025_Cweb.pdf
Power tolerance (%): Evidence sources
- Before
- After
- https://scorecard.pvel.com/top-performers/; https://www-cdn.trinasolar.com/wwwstorage/sites/5/DT-M-0042-AUS-EN-J-Datasheet_Vertex_NEG21C.20_715-740-2025_Cweb.pdf
PID (IEC TS 62804): Evidence status
- Before
- sourced
- After
- reviewed_absence
Salt mist (IEC 61701): Evidence status
- Before
- sourced
- After
- reviewed_absence
LeTID resistance (IEC TS 63342)
- Before
- LeTID resistance claimed for this product, no test cited
- After
- Not addressed
PID (IEC TS 62804): Evidence sources
- Before
- After
- https://scorecard.pvel.com/top-performers/; https://www-cdn.trinasolar.com/wwwstorage/sites/5/DT-M-0042-AUS-EN-J-Datasheet_Vertex_NEG21C.20_715-740-2025_Cweb.pdf
Ammonia resistance (IEC 62716): Evidence sources
- Before
- After
- https://scorecard.pvel.com/top-performers/; https://www-cdn.trinasolar.com/wwwstorage/sites/5/DT-M-0042-AUS-EN-J-Datasheet_Vertex_NEG21C.20_715-740-2025_Cweb.pdf
LeTID resistance (IEC TS 63342): Evidence status
- Before
- sourced
- After
- reviewed_absence
PID (IEC TS 62804)
- Before
- Independently tested / certified
- After
- Not addressed
5 changes to this record · 65 products changed in this update
Independent energy yield
- Before
- Field/PAN energy-yield validated
- After
- Brand or series yield-tested; exact model not covered
Source revision
- Current text
- Trina DT-M-0042 AUS EN J, version TSM_AUS_EN_2025_C, global warranty PS-M-0135-Y and Vertex manual reviewed 2026-08-06 LeTID re-verified 2026-08-19 for rubric v2.12.0: scored under the returned criterion on the evidence recorded in its provenance. Re-verification 2026-08-19: Verified reliability recorded as "Brand or series independently tested; exact model not covered" under panel rubric v2.13.0, which added a band for brand or series evidence where the exact model is not covered by the third-party record. Re-verification 2026-08-20: Independent energy yield recorded as brand-or-series under panel rubric v2.14.0, which applied to this criterion the same exact-model rule v2.13.0 applied to Verified reliability.
The previous text is not reproduced here: both versions run to a full research paragraph. Both are in the JSON record linked below.
Primary datasheet
6 changes to this record · 31 products changed in this update
Source revision
- Current text
- Trina DT-M-0042 AUS EN J, version TSM_AUS_EN_2025_C, global warranty PS-M-0135-Y and Vertex manual reviewed 2026-08-06 LeTID re-verified 2026-08-19 for rubric v2.12.0: scored under the returned criterion on the evidence recorded in its provenance. Re-verification 2026-08-19: Verified reliability recorded as "Brand or series independently tested; exact model not covered" under panel rubric v2.13.0, which added a band for brand or series evidence where the exact model is not covered by the third-party record.
The previous text is not reproduced here: both versions run to a full research paragraph. Both are in the JSON record linked below.
Primary datasheetVerified reliability
- Before
- Top Performer (multi-year)
- After
- Brand or series independently tested; exact model not covered
6 changes to this record · 23 products changed in this update
LeTID resistance (IEC TS 63342): Evidence sources
- Before
- Not previously recorded
- After
LeTID resistance (IEC TS 63342): Evidence status
- Before
- Not previously recorded
- After
- sourced
LeTID resistance (IEC TS 63342)
- Before
- Not previously recorded
- After
- LeTID resistance claimed for this product, no test cited
Source revision
- Before
- Trina DT-M-0042 AUS EN J, version TSM_AUS_EN_2025_C, global warranty PS-M-0135-Y and Vertex manual reviewed 2026-08-06
- After
- Trina DT-M-0042 AUS EN J, version TSM_AUS_EN_2025_C, global warranty PS-M-0135-Y and Vertex manual reviewed 2026-08-06 LeTID re-verified 2026-08-19 for rubric v2.12.0: scored under the returned criterion on the evidence recorded in its provenance.
11 changes to this record · 106 products changed in this update
Damp heat extended (2000h): Evidence status
- Before
- derived
- After
- No longer recorded
Awards: Evidence sources
- Before
- https://static.trinasolar.com/sites/default/files/DT-M-0042_NEG21C.20_EN_2025_A.pdf
- After
- No longer recorded
Damp heat extended (2000h): Evidence sources
- Before
- After
- No longer recorded
Damp heat extended (2000h)
- Before
- 1000h IEC 61215 standard
- After
- No longer recorded
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.
- Core scorecard evidence checked
- DE market evidence checked
- US market evidence checked
- Australian certification source identity verified
- AU market evidence checked
- Series benchmark evidence checked
- Plain-language warranty summary checked
Scored by Solar Analytica Research
Stay across the benchmark.
New scorecards, score changes and market signals, published as they happen.
Our reading
Vertex N NEG21C.20 scores 67, placing 25 of 66 in the Global Tier-1 class against a class average of 63.1. Its strongest scoring dimension is sustainability (91), running 31.4 points above the class average on this dimension. Durability (verified) scores 50, the lowest pillar for this product. The class average on durability (verified) is 55. Underlying specifications include a module efficiency of 23.8%, N-type TOPCon cell technology, 12-year product warranty backed by a 30-year performance term.
Dietreich Farquharson · review.solar