The assessment
How it scores, by category
Market position
The data
Solar module
Produces DC electricity at the roof. It contains no system-level power conversion or storage.
- Product role
- None in the module.
- Published range
- 515–540 W
- Electrical layer
- DC module output
- Construction
- Bifacial, Dual-glass
Performance guarantee: 30-year linear output
Wattage figure based on the sourced rated power (540 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. Rated 540 W at STC.
How this is modelled
Modelled from this panel’s own published first-year (1%) and annual (0.4%/yr) degradation figures, compounded against its 540 W rated (STC) output. This is a datasheet-derived estimate, not a field measurement or a warranty guarantee. Actual output also depends on site irradiance, temperature, soiling and system design.
| Year | 1 | 5 | 10 | 15 | 20 | 25 |
|---|---|---|---|---|---|---|
| Watts | 535 W | 526 W | 515 W | 504 W | 494 W | 483 W |
| % of rated | 99.0% | 97.4% | 95.4% | 93.4% | 91.4% | 89.4% |
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 datasheet range sits wholly inside the Australian approval of 495-540 W, so no narrowing was needed. Scored model: SG-54TG4D-540 · checked 2026-08-19. Evidence.
Sources & references · checked 2026-08-19
Strong evidence coverage
12 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.
Record revision. Built 2026-08-19 from Sungrow's own SG-54TG4D datasheet, retrieved from info-support.sungrowpower.com via the product page and verified complete: byte count matched the declared Content-Length exactly, with %PDF magic and a trailing %%EOF. Figures read from a render of the Specifications (STC) table; the sheet also carries a separate Specifications (BNPI) table at front 1000 W/m2 and rear 135 W/m2, which runs roughly 10 per cent higher, publishes no efficiency row, and is not used here. The datasheet range 515-540 W sits wholly inside the Australian approval of 495-540 W across 10 models, so no narrowing is needed and the scored bin is the datasheet's own top.
- Sourced valuesData card →
- Archived copy of the primary sourcePDF ↗
Product record history
Baseline 2026-08-16 · 232 product records
Product record
kind: panel; brand: Sungrow; name: SG-54TG4D; model: SG-54TG4D-515 through SG-54TG4D-540 (108 (2x54) cells, N-type monocrystalline, bifacial double glass); scored model SG-54TG4D-540; score: 59.5
Source
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
- AU market evidence checked
- Series benchmark evidence checked
Scored by Solar Analytica Research
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Our reading
SG-54TG4D scores 60, placing 43 of 51 in the Global Tier-1 class against a class average of 67.0. Its strongest scoring dimension is performance & degradation (73), above the class average of 73. Sustainability scores 46, the lowest pillar for this product. The class average on sustainability is 64. Underlying specifications include a module efficiency of 24.3%, N-type monocrystalline cell technology, 25-year product warranty backed by a 30-year performance term.