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

# Bauer Solar vs Trina Solar

Trina Solar has the broader catalog (340 vs 6 models). Trina Solar leads on peak efficiency at 24.80%. Bauer Solar leans bifacial (100% of lineup).


## The two companies


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


## Catalog & Power


| Measure | Bauer Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 6 | 340 | +334 |
| Max Power | 475 W | 760 W | +285 W |
| Avg Power | 458 W | 520 W | +63 W |


## Efficiency


| Measure | Bauer Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.50% | 24.80% | +2.30 pp |
| Avg Efficiency | 21.99% | 21.71% | +0.28 pp |


## Reliability & Warranty


| Measure | Bauer Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.295%/°C | -0.302%/°C | +0.007 |
| Bifacial Share | 6 (100%) | 145 (43%) | +57 pp |
| Avg Warranty | 30.0 yrs | 28.2 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | Bauer Solar | Trina Solar |
| --- | --- | --- |
| 21-22% | 3 (50.0%) | 83 (24.4%) |
| 22-23% | 3 (50.0%) | 102 (30.0%) |
| \<20% | 0 | 22 (6.5%) |
| 20-21% | 0 | 57 (16.8%) |
| 23%+ | 0 | 76 (22.4%) |


## Power distribution

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


| Power band | Bauer Solar | Trina Solar |
| --- | --- | --- |
| 400-499W | 6 (100.0%) | 142 (41.8%) |
| \<400W | 0 | 28 (8.2%) |
| 500-599W | 0 | 54 (15.9%) |
| 600-699W | 0 | 72 (21.2%) |
| 700W+ | 0 | 44 (12.9%) |


## Cell technology

Dominant cell tech: **TOPCon** (100%)

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


| Technology | Bauer Solar | Trina Solar |
| --- | --- | --- |
| TOPCon | 6 (100.0%) | 248 (72.9%) |
| PERC | 0 | 75 (22.1%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## Top panels, Bauer Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [BS-475-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-475-120m10nhbb-gg) | 475 | 21.9 | -0.300 | Monocrystalline |
| 2 | [BS-470-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-470-120m10nhbb-gg) | 470 | 21.7 | -0.300 | Monocrystalline |
| 3 | [BS-465-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-465-120m10nhbb-gg) | 465 | 21.5 | -0.300 | Monocrystalline |
| 4 | [BS-450-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-450-108m10hbt-gg) | 450 | 22.5 | -0.290 | Monocrystalline |
| 5 | [BS-445-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-445-108m10hbt-gg) | 445 | 22.3 | -0.290 | Monocrystalline |
| 6 | [BS-440-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-440-108m10hbt-gg) | 440 | 22.0 | -0.290 | 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

Trina Solar is a Chinese photovoltaic manufacturer headquartered in Changzhou, founded in 1997 and now one of the largest solar module producers in the world. The company reported annual module production capacity of approximately 95 GW by the end of 2023 and shipped roughly 77 GW in 2024, placing it among the top three global module suppliers. Trina has earned a 100% BloombergNEF bankability rating for eight consecutive years as of 2025, and has been named a PVEL Top Performer for eleven straight years - a combination that makes it the default choice for project finance-backed utility-scale developments globally. Bauer Solar is a German, family-run manufacturer established in 2003 with a cumulative installed and sold module base exceeding 4,000 MW. It does not appear on BloombergNEF Tier 1 lists, which limits its eligibility for certain bankable project structures, though the company partially offsets this through a module reinsurance arrangement with Munich RE and a strong quality track record in Europe.

Trina Solar's Vertex product family covers the full spectrum of applications - residential rooftop (Vertex S and S+), commercial and industrial rooftop (C&I), and large-scale ground-mount utility projects - using N-type TOPCon cell technology, with panel efficiencies reaching up to 22.5%. Bauer Solar similarly focuses on bifacial N-type TOPCon glass-glass modules, positioned primarily at residential and commercial buyers in Central and Western Europe who value European engineering heritage and a 30-year product-and-performance warranty backed by Munich RE reinsurance.

For international buyers procuring at scale - especially for utility or C&I projects requiring lender approval - Trina Solar is the stronger default given its Tier 1 bankability, global supply chain depth, and independently verified performance track record. Bauer Solar is a well-regarded niche alternative for buyers who prioritize European brand accountability, direct regional after-sales support, and insurance-backed warranty security for smaller residential or commercial installations. The two brands are not directly interchangeable at the institutional project-finance level, but for a mid-market commercial buyer either could be a defensible choice on technical grounds.

Written by claude-sonnet from the figures above.


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

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