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

# Bauer Solar vs AIKO

AIKO has the broader catalog (144 vs 6 models). AIKO leads on peak efficiency at 25.20%. Bauer Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Bauer Solar | AIKO |
| --- | --- | --- |
| Country | Germany | China |
| Headquarters |  | Shanghai |
| Founded |  | 2009 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  | SZSE: 600732 |
| Website | [https://bauer-solar.de](https://bauer-solar.de) | [https://www.aikosolar.com](https://www.aikosolar.com) |


## Catalog & Power


| Measure | Bauer Solar | AIKO | Margin |
| --- | --- | --- | --- |
| Panel Models | 6 | 144 | +138 |
| Max Power | 475 W | 805 W | +330 W |
| Avg Power | 458 W | 581 W | +124 W |


## Efficiency


| Measure | Bauer Solar | AIKO | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.50% | 25.20% | +2.70 pp |
| Avg Efficiency | 21.99% | 23.65% | +1.66 pp |


## Reliability & Warranty


| Measure | Bauer Solar | AIKO | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.295%/°C | -0.271%/°C | +0.024 |
| Bifacial Share | 6 (100%) | 35 (24%) | +76 pp |
| Avg Warranty | 30.0 yrs | 29.5 yrs | +0.5 yr |


## Efficiency distribution

AIKO skews to higher efficiency: 85% of lineup is 23%+


| Efficiency band | Bauer Solar | AIKO |
| --- | --- | --- |
| 21-22% | 3 (50.0%) | 3 (2.1%) |
| 22-23% | 3 (50.0%) | 12 (8.3%) |
| \<20% | 0 | 3 (2.1%) |
| 20-21% | 0 | 3 (2.1%) |
| 23%+ | 0 | 123 (85.4%) |


## Power distribution

AIKO offers more 600W+ panels (60% of lineup)


| Power band | Bauer Solar | AIKO |
| --- | --- | --- |
| 400-499W | 6 (100.0%) | 50 (34.7%) |
| \<400W | 0 | 2 (1.4%) |
| 500-599W | 0 | 5 (3.5%) |
| 600-699W | 0 | 78 (54.2%) |
| 700W+ | 0 | 9 (6.2%) |


## Cell technology

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

Dominant cell tech: **Back Contact** (83%)


| Technology | Bauer Solar | AIKO |
| --- | --- | --- |
| TOPCon | 6 (100.0%) | 0 |
| Back Contact | 0 | 119 (82.6%) |
| N-type | 0 | 17 (11.8%) |
| PERC | 0 | 7 (4.9%) |
| Flexible | 0 | 1 (0.7%) |


## 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, AIKO


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 | 25.1 | -0.260 | Monocrystalline |
| 2 | [AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 | 24.9 | -0.260 | Monocrystalline |
| 3 | [AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 | 24.8 | -0.260 | Monocrystalline |
| 4 | [AIKO-A790-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a790-grh78dw) | 790 | 24.6 | -0.260 | Monocrystalline |
| 5 | [AIKO-A785-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a785-grh78dw) | 785 | 24.4 | -0.260 | Monocrystalline |
| 6 | [AIKO-A780-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a780-grh78dw) | 780 | 24.3 | -0.260 | Monocrystalline |
| 7 | [AIKO-A775-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a775-grh78dw) | 775 | 24.1 | -0.260 | Monocrystalline |
| 8 | [AIKO-A770-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a770-grh78dw) | 770 | 24.0 | -0.260 | Monocrystalline |
| 9 | [AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 | 25.0 | -0.260 | Monocrystalline |
| 10 | [AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 | 24.9 | -0.260 | Monocrystalline |


## Summary

AIKO, founded in 2009 and headquartered in China, is a publicly traded solar manufacturer listed on the Shenzhen Stock Exchange with an annual production capacity of approximately 20 GW. The company holds BloombergNEF Tier 1 bankable status, meaning independent commercial banks have financed its modules across multiple large-scale projects - a decisive credential for institutional procurement. Bauer Solar, based in Germany and producing panels since at least the early 2000s, operates at a markedly smaller scale with a compact six-product portfolio and has not achieved Tier 1 bankability. On institutional footprint and financing pedigree alone, AIKO carries considerably more weight in project finance circles.

The two lineups serve meaningfully different market segments. AIKO's 144-panel catalogue is anchored by its proprietary All Back Contact (ABC) cell technology, which covers 73.6% of its range and pushes average module output to 581 Wp with a peak of 805 Wp. Average efficiency across the portfolio reaches 23.7%, with a top-of-range figure of 25.2% - among the highest in commercial production globally as of 2025. Only 24.3% of AIKO panels are bifacial, suggesting a lineup oriented toward premium rooftop applications where per-square-metre power density is the primary objective. Bauer Solar, by contrast, offers a fully bifacial (100%) TOPCon lineup averaging 457.5 Wp and 22.0% efficiency, with a maximum of 475 Wp and 22.5% - solid numbers for a specialist European producer. Bauer's 30-year product and performance warranty, reinsured by Munich RE, offers meaningful long-term security; AIKO's warranty averages 29.5 years across its range. Bauer's temperature coefficient of -0.295%/°C is slightly steeper than AIKO's -0.271%/°C, giving AIKO a marginal thermal edge in hot-climate installations.

For most buyers in 2025, AIKO is the stronger default - particularly for large commercial or project-scale deployments where bankability, product breadth, and efficiency headroom are decisive factors. Bauer Solar is a credible choice for buyers specifically seeking a fully bifacial, European-engineered product with insurance-backed warranty assurance, typically at the residential or small-commercial scale, though its non-Tier-1 status may complicate third-party project financing.

\---LINKS---

\- https://www.pv-magazine.com/2025/12/19/aiko-achieves-24-8-efficiency-in-commercial-solar-module-production/ \| Aiko achieves 24.8% efficiency in commercial solar module production \| article

\- https://www.pv-magazine.com/2023/12/11/bauer-solar-introduces-440-w-glass-glass-solar-modules/ \| Bauer Solar introduces 440 W glass-glass solar modules \| article

\- https://www.pv-tech.org/the-pv-review-2025-a-year-of-performance-and-reliability-issues-for-topcon-and-n-type-solar-pv-modules/ \| PV Review 2025 - reliability issues for TOPCon and n-type modules \| article

\- https://www.solaranswered.com.au/home-solar/aiko-solar-panel-review/ \| Aiko Solar Panel Review - Solar Answered \| review

\- https://cansolarcorp.com/blog/bauer-solar-panel-review/ \| Bauer Solar Panels Reviews - German Solar Engineering \| review

Sources:

\- \[AIKO Tier 1 status confirmation\](https://aikosolar.com/en/aiko-achieves-prestigious-tier1-status/)

\- \[Aiko achieves 24.8% efficiency in commercial production\](https://www.pv-magazine.com/2025/12/19/aiko-achieves-24-8-efficiency-in-commercial-solar-module-production/)

\- \[Bauer Solar introduces 440 W glass-glass solar modules\](https://www.pv-magazine.com/2023/12/11/bauer-solar-introduces-440-w-glass-glass-solar-modules/)

\- \[PV Review 2025 - TOPCon and n-type reliability issues\](https://www.pv-tech.org/the-pv-review-2025-a-year-of-performance-and-reliability-issues-for-topcon-and-n-type-solar-pv-modules/)

\- \[Bauer Solar panel review - CANSOLAR\](https://cansolarcorp.com/blog/bauer-solar-panel-review/)

\- \[Tier 1 Solar Panels List 2025 - RENVU\](https://www.renvu.com/blogs/learn/tier-1-solar-panels-list-2025-updated-manufacturers-rankings)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Bauer Solar vs A.B. Energy](https://comparepv.com/bauer-solar-vs-a-b-energy)
- [AE Solar vs AIKO](https://comparepv.com/ae-solar-vs-aiko)
- [Bauer Solar vs AEET](https://comparepv.com/bauer-solar-vs-aeet)
- [AKCOME vs AIKO](https://comparepv.com/akcome-vs-aiko)
- [Bauer Solar vs ARTsolar](https://comparepv.com/bauer-solar-vs-artsolar)
- [ASM vs AIKO](https://comparepv.com/asm-vs-aiko)


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

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