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

# Q-SUN Solar vs Trina Solar

Trina Solar has the broader catalog (340 vs 111 models). Trina Solar leads on peak efficiency at 24.80%. Q-SUN Solar leans bifacial (68% of lineup).


## The two companies


| Attribute | Q-SUN Solar | Trina Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters |  | Changzhou |
| Founded | 2014 | 1997 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  |  |
| Website | [https://www.q-sunsolar.com](https://www.q-sunsolar.com) | [https://www.trinasolar.com](https://www.trinasolar.com) |

Qn-SOLAR officially launched its global PV business in 2022. The company is headquartered in Shanghai, China, and has four manufacturing bases in China. As a professional and integrated company, Qn-SOLAR operates in various fields of PV upstream and downstream, achieving an annual production capacity of 20GW PV cells...


## Catalog & Power


| Measure | Q-SUN Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 111 | 340 | +229 |
| Max Power | 730 W | 760 W | +30 W |
| Avg Power | 543 W | 520 W | +23 W |


## Efficiency


| Measure | Q-SUN Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.70% | 24.80% | +1.10 pp |
| Avg Efficiency | 21.91% | 21.71% | +0.19 pp |


## Reliability & Warranty


| Measure | Q-SUN Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.303%/°C | -0.302%/°C | +0.001 |
| Bifacial Share | 76 (68%) | 145 (43%) | +26 pp |
| Avg Warranty | 28.7 yrs | 28.2 yrs | +0.5 yr |


## Efficiency distribution

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


| Efficiency band | Q-SUN Solar | Trina Solar |
| --- | --- | --- |
| 20-21% | 15 (13.5%) | 57 (16.8%) |
| 21-22% | 39 (35.1%) | 83 (24.4%) |
| 22-23% | 45 (40.5%) | 102 (30.0%) |
| 23%+ | 12 (10.8%) | 76 (22.4%) |
| \<20% | 0 | 22 (6.5%) |


## Power distribution

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


| Power band | Q-SUN Solar | Trina Solar |
| --- | --- | --- |
| \<400W | 1 (0.9%) | 28 (8.2%) |
| 400-499W | 40 (36.0%) | 142 (41.8%) |
| 500-599W | 37 (33.3%) | 54 (15.9%) |
| 600-699W | 25 (22.5%) | 72 (21.2%) |
| 700W+ | 8 (7.2%) | 44 (12.9%) |


## Cell technology

Dominant cell tech: **N-type** (42%)

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


| Technology | Q-SUN Solar | Trina Solar |
| --- | --- | --- |
| N-type | 47 (42.3%) | 6 (1.8%) |
| PERC | 39 (35.1%) | 75 (22.1%) |
| TOPCon | 20 (18.0%) | 248 (72.9%) |
| HJT | 5 (4.5%) | 0 |
| Unknown | 0 | 11 (3.2%) |


## Top panels, Q-SUN Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [QN-730HJT-01](https://comparepv.com/panel/q-sun-solar-qn-730hjt-01) | 730 | 23.5 | -0.240 | Monocrystalline |
| 2 | [QN-725HJT-01](https://comparepv.com/panel/q-sun-solar-qn-725hjt-01) | 725 | 23.5 | -0.240 | Monocrystalline |
| 3 | [QN-720HJT-01](https://comparepv.com/panel/q-sun-solar-qn-720hjt-01) | 720 | 23.3 | -0.240 | Monocrystalline |
| 4 | [QN-715HJT-01](https://comparepv.com/panel/q-sun-solar-qn-715hjt-01) | 715 | 23.2 | -0.240 | Monocrystalline |
| 5 | [QN-710HJT-01](https://comparepv.com/panel/q-sun-solar-qn-710hjt-01) | 710 | 23.0 | -0.240 | Monocrystalline |
| 6 | [QN-710HT-01](https://comparepv.com/panel/q-sun-solar-qn-710ht-01) | 710 | 22.9 | -0.300 | Monocrystalline |
| 7 | [QN-705HT-01](https://comparepv.com/panel/q-sun-solar-qn-705ht-01) | 705 | 22.7 | -0.300 | Monocrystalline |
| 8 | [QN-700HT-01](https://comparepv.com/panel/q-sun-solar-qn-700ht-01) | 700 | 22.5 | -0.300 | Monocrystalline |
| 9 | [QN-695HT-01](https://comparepv.com/panel/q-sun-solar-qn-695ht-01) | 695 | 22.4 | -0.300 | Monocrystalline |
| 10 | [QN-690HT-01](https://comparepv.com/panel/q-sun-solar-qn-690ht-01) | 690 | 22.2 | -0.300 | Monocrystalline |


## 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

Q-SUN Solar is a Chinese manufacturer headquartered in Nanjing, Jiangsu Province, founded in 2014. Despite its relatively short history, the company has scaled quickly, reporting annual shipments of over 4 GW to customers in more than 50 countries, supported by production sites in Tianchang and Yancheng. Those facilities hold ISO 9001, ISO 14001, and ISO 45001 certifications, with modules tested to IEC benchmarks by TUV Germany. Q-SUN does not appear on the BloombergNEF Tier 1 bankability list, which limits its suitability for project-finance-backed procurement. Trina Solar, by contrast, was founded in 1997 in Changzhou, also in Jiangsu Province, and is one of the photovoltaic industry's longest-established names. The company holds BloombergNEF Tier 1 status confirmed in Q1 2025 and has accumulated over 205 GW in total global shipments, placing it alongside LONGi, Jinko Solar, and JA Solar at the very top of global module supply. For institutional buyers and project developers, Trina's bankability record is in a different league.

Trina Solar's flagship Vertex series is built on n-type i-TOPCon Ultra cell technology and includes large-format modules rated up to 760 W, making them the natural fit for utility-scale ground-mount projects and large C&I rooftops. The Vertex S+ line targets residential buyers and raised the warranty bar with a 30-year performance guarantee alongside the standard 25-year product warranty. Trina has also achieved world-record efficiency results in HJT cell research, though its mainstream commercial offering centers on TOPCon. Q-SUN offers two principal product families: the MERCURY series, built on N-type TOPCon with mass-production efficiency confirmed above 22.5%, and the Onyx series - a full-black, frameless aesthetic line aimed at design-conscious residential rooftops. The company's 2026 roadmap introduces tri-cut cell and 0BB technology, signaling continued investment in higher-efficiency formats.

For buyers where bankability and long-term warranty certainty are critical - project developers, large commercial installers, or utility procurers - Trina Solar is the clear default. Its 28-year track record, persistent Tier 1 classification, and PVEL Top Performer recognition for 11 consecutive years deliver institutional assurance that Q-SUN, as a newer entrant, cannot yet replicate at scale. Q-SUN remains a credible option for residential and smaller commercial buyers working with installers already familiar with the brand, particularly where competitive module pricing or rooftop aesthetics are priorities. The two manufacturers are not interchangeable for institutional procurement, but for a standard residential rooftop the practical gap in module performance is likely small.

Written by claude-sonnet from the figures above.


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- [Q-SUN Solar vs A.B. Energy](https://comparepv.com/q-sun-solar-vs-a-b-energy)
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- [Q-SUN Solar vs AEET](https://comparepv.com/q-sun-solar-vs-aeet)
- [AIKO vs Trina Solar](https://comparepv.com/aiko-vs-trina-solar)
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- [ARTsolar vs Trina Solar](https://comparepv.com/artsolar-vs-trina-solar)


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Source: https://comparepv.com/q-sun-solar-vs-trina-solar

Not in this file, on the page: the distributions above drawn as charts.