---
title: "QSun Solar vs Trina Solar - Brand Comparison | ComparePV"
description: "Compare QSun Solar vs Trina Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/qsun-solar-vs-trina-solar"
---

# QSun Solar vs Trina Solar

Trina Solar has the broader catalog (340 vs 0 models). Trina Solar leans bifacial (43% of lineup).


## The two companies


| Attribute | QSun Solar | Trina Solar |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Changzhou |
| Founded |  | 1997 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  |  |
| Website |  | [https://www.trinasolar.com](https://www.trinasolar.com) |


## Catalog & Power


| Measure | QSun Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 340 | +340 |
| Max Power | 0 W | 760 W | +760 W |
| Avg Power | 0 W | 520 W | +520 W |


## Efficiency


| Measure | QSun Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.71% |  |


## Reliability & Warranty


| Measure | QSun Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.302%/°C |  |
| Bifacial Share | 0 (0%) | 145 (43%) | +43 pp |
| Avg Warranty | - | 28.2 yrs |  |


## Efficiency distribution

Trina Solar skews to higher efficiency: 22% of lineup is 23%+


| Efficiency band | QSun Solar | Trina Solar |
| --- | --- | --- |
| \<20% | 0 | 22 (6.5%) |
| 20-21% | 0 | 57 (16.8%) |
| 21-22% | 0 | 83 (24.4%) |
| 22-23% | 0 | 102 (30.0%) |
| 23%+ | 0 | 76 (22.4%) |


## Power distribution

Trina Solar offers more 600W+ panels (34% of lineup)


| Power band | QSun Solar | Trina Solar |
| --- | --- | --- |
| \<400W | 0 | 28 (8.2%) |
| 400-499W | 0 | 142 (41.8%) |
| 500-599W | 0 | 54 (15.9%) |
| 600-699W | 0 | 72 (21.2%) |
| 700W+ | 0 | 44 (12.9%) |


## Cell technology

Dominant cell tech: **TOPCon** (73%)


| Technology | QSun Solar | Trina Solar |
| --- | --- | --- |
| TOPCon | 0 | 248 (72.9%) |
| PERC | 0 | 75 (22.1%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## Top panels, Trina Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TSM-NEG21C.20Q-760](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-760) | 760 | 24.5 | -0.260 | Monocrystalline |
| 2 | [TSM-NEG21C.20Q-755](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-755) | 755 | 24.3 | -0.260 | Monocrystalline |
| 3 | [TSM-NEG21C.20Q-750](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-750) | 750 | 24.1 | -0.260 | Monocrystalline |
| 4 | [TSM-NEG21C.20Q-745](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-745) | 745 | 24.0 | -0.260 | Monocrystalline |
| 5 | [TSM-NEG21C.20-740](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 6 | [TSM-NEG21C.20 740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 7 | [TSM-NEG21C.20Q-740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-740) | 740 | 23.8 | -0.260 | Monocrystalline |
| 8 | [TSM-NEG21C.20-735](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 9 | [TSM-NEG21C.20 735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 10 | [TSM-NEG21C.20Q-735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-735) | 735 | 23.7 | -0.260 | Monocrystalline |


## Summary

QSun Solar is a Chinese photovoltaic module manufacturer headquartered in Chuzhou, Anhui Province, established in 2014. The company operates three manufacturing and research facilities and self-reports annual module deliveries exceeding 4 GW. Notably, QSun Solar does not appear on published BloombergNEF Tier 1 manufacturer lists, which sets it apart from the industry's most bankable names and may limit its suitability for project-financed utility developments. Trina Solar, by contrast, is one of the longest-standing names in the global solar industry, founded in December 1997 in Changzhou, Jiangsu Province, and employing roughly 30,000 people worldwide. Trina has achieved BloombergNEF Tier 1 recognition eight times, including a perfect 100% bankability score from all surveyed financial institutions in 2025. The company surpassed 225 GW in cumulative module shipments by early 2025 and is targeting annual production capacity of around 50 GW. On institutional footprint and financial credibility, Trina Solar holds a commanding lead.

QSun Solar addresses residential, commercial, and utility segments with its Mercury Series of N-type TOPCon modules reaching output levels around 720 W and confirmed mass-production efficiency above 22.5%. The company also produces HJT modules under its Nebula Series and aesthetically oriented full-black panels in the Onyx line, making it a candidate for design-conscious residential rooftop projects. Trina Solar's flagship Vertex series covers large-format N-type TOPCon modules using multi-busbar cell technology, with the Vertex S targeting residential installers and larger Vertex N formats suited to commercial, industrial, and utility-scale ground-mount applications. Trina has appeared on PVEL's Top Performer list for 11 consecutive years, and its 30-year performance warranties on flagship models reflect a level of after-sales commitment that younger brands are still building toward.

For most international buyers - whether residential installers, EPC contractors, or project developers seeking bankable equipment - Trina Solar is the lower-risk default choice, supported by deep institutional recognition and a proven global service network. QSun Solar can be a competitive option for cost-sensitive residential or small commercial projects where non-recourse financing is not a factor, but the absence of a confirmed Tier 1 rating means buyers should factor in additional due diligence before committing to large-scale or financed deployments.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/qsun-solar-vs-trina-solar