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

# Trina Solar vs VSUN

Trina Solar has the broader catalog (340 vs 111 models). Trina Solar leads on peak efficiency at 24.80%. VSUN leans bifacial (75% of lineup).


## The two companies


| Attribute | Trina Solar | VSUN |
| --- | --- | --- |
| Country | China | Germany |
| Headquarters | Changzhou | Frankfurt am Main |
| Founded | 1997 | 2012 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | yes | no |
| Listed |  |  |
| Website | [https://www.trinasolar.com](https://www.trinasolar.com) | [https://www.vsun-solar.com](https://www.vsun-solar.com) |


## Catalog & Power


| Measure | Trina Solar | VSUN | Margin |
| --- | --- | --- | --- |
| Panel Models | 340 | 111 | +229 |
| Max Power | 760 W | 715 W | +45 W |
| Avg Power | 520 W | 524 W | +4 W |


## Efficiency


| Measure | Trina Solar | VSUN | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 23.14% | +1.66 pp |
| Avg Efficiency | 21.71% | 21.71% | +0.00 pp |


## Reliability & Warranty


| Measure | Trina Solar | VSUN | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.302%/°C | -0.308%/°C | +0.006 |
| Bifacial Share | 145 (43%) | 83 (75%) | +32 pp |
| Avg Warranty | 28.2 yrs | 29.7 yrs | +1.5 yr |


## Efficiency distribution

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


| Efficiency band | Trina Solar | VSUN |
| --- | --- | --- |
| \<20% | 22 (6.5%) | 1 (0.9%) |
| 20-21% | 57 (16.8%) | 13 (11.7%) |
| 21-22% | 83 (24.4%) | 55 (49.5%) |
| 22-23% | 102 (30.0%) | 39 (35.1%) |
| 23%+ | 76 (22.4%) | 3 (2.7%) |


## Power distribution

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


| Power band | Trina Solar | VSUN |
| --- | --- | --- |
| \<400W | 28 (8.2%) | 3 (2.7%) |
| 400-499W | 142 (41.8%) | 48 (43.2%) |
| 500-599W | 54 (15.9%) | 28 (25.2%) |
| 600-699W | 72 (21.2%) | 27 (24.3%) |
| 700W+ | 44 (12.9%) | 5 (4.5%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (72%)


| Technology | Trina Solar | VSUN |
| --- | --- | --- |
| TOPCon | 248 (72.9%) | 80 (72.1%) |
| PERC | 75 (22.1%) | 28 (25.2%) |
| Unknown | 11 (3.2%) | 3 (2.7%) |
| N-type | 6 (1.8%) | 0 |


## 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 |


## Top panels, VSUN


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [VSUN715N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun715n-132bmht-dg) | 715 | 23.0 | -0.300 | Monocrystalline |
| 2 | [VSUN710N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun710n-132bmht-dg) | 710 | 22.9 | -0.300 | Monocrystalline |
| 3 | [VSUN705N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun705n-132bmht-dg) | 705 | 22.7 | -0.300 | Monocrystalline |
| 4 | [VSUN700N-132BMH-DG](https://comparepv.com/panel/vsun-vsun700n-132bmh-dg) | 700 | 22.5 | -0.300 | Monocrystalline |
| 5 | [VSUN700N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun700n-132bmht-dg) | 700 | 22.5 | -0.300 | Monocrystalline |
| 6 | [VSUN695N-132BMH-DG](https://comparepv.com/panel/vsun-vsun695n-132bmh-dg) | 695 | 22.4 | -0.300 | Monocrystalline |
| 7 | [VSUN695N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun695n-132bmht-dg) | 695 | 22.4 | -0.300 | Monocrystalline |
| 8 | [VSUN690N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun690n-132bmht-dg) | 690 | 22.2 | -0.300 | Monocrystalline |
| 9 | [VSUN690N-132BMH-DG](https://comparepv.com/panel/vsun-vsun690n-132bmh-dg) | 690 | 22.2 | -0.300 | Monocrystalline |
| 10 | [VSUN685N-132BMH-DG](https://comparepv.com/panel/vsun-vsun685n-132bmh-dg) | 685 | 22.1 | -0.300 | Monocrystalline |


## Summary

Trina Solar is a Chinese manufacturer founded in 1997 and headquartered in Changzhou, Jiangsu Province. It ranks among the world's three largest solar module suppliers by shipment volume, having delivered approximately 77 GW of panels in 2024 and surpassed 205 GW in cumulative global deliveries. The company has maintained BloombergNEF Tier 1 status across consecutive quarters, reconfirming it in both Q1 and Q2 2025, and carries an annual module production capacity reported at around 120 GW. VSUN Solar is a markedly smaller player: headquartered in Tokyo and founded in 2015, it manufactures in Vietnam and achieved BNEF Tier 1 status in Q1 2025 - a meaningful milestone for a younger entrant, though its annual production capacity is estimated at only roughly 3 to 4 GW. On overall institutional footprint - supply chain depth, financing track record, and global service reach - Trina Solar holds a clear and substantial advantage.

Trina Solar's flagship is the Vertex series, built on large-format 210 mm wafers and fully transitioned to N-type TOPCon cell architecture. The lineup spans residential rooftops via the Vertex S+, commercial and industrial buildings, and utility-scale ground-mount projects - the latest Vertex N Ultra delivers 760 W at 24.5% efficiency. VSUN markets N-type TOPCon modules in bifacial, multi-busbar half-cell configurations, reporting peak efficiencies up to 22.65% and offering a 30-year linear performance warranty that exceeds common industry standards. Its catalog targets residential and small commercial installers and is distributed across Europe, Asia, and North America.

For utility-scale developers, project financiers, and large commercial buyers, Trina Solar is the default choice: its production scale, consistent bankability record, and breadth of product options are unmatched at this level. For residential or small C&I installations, VSUN is a credible alternative - its N-type TOPCon technology, warranty terms, and BNEF Tier 1 recognition all support a serious evaluation - but buyers should weigh its shorter market history and smaller service footprint against those strengths. The two brands are not interchangeable at scale; at the level of a single rooftop system, an installer familiar with VSUN can reasonably consider either option.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Trina Solar vs A.B. Energy](https://comparepv.com/trina-solar-vs-a-b-energy)
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- [AIKO vs VSUN](https://comparepv.com/aiko-vs-vsun)
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- [ARTsolar vs VSUN](https://comparepv.com/artsolar-vs-vsun)


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

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