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

# AE Solar vs Silfab

AE Solar has the broader catalog (646 vs 47 models). AE Solar leads on peak efficiency at 24.43%. AE Solar leans bifacial (63% of lineup).


## The two companies


| Attribute | AE Solar | Silfab |
| --- | --- | --- |
| Country | Germany | Canada |
| Headquarters | Gersthofen | Mississauga |
| Founded | 2003 | 2010 |
| Employees | 501-1000 | 800+ |
| Annual capacity | 2+ GW/year | 1.6 GW/year |
| Tier 1 | yes | yes |
| Listed |  |  |
| Website | [https://ae-solar.com](https://ae-solar.com) | [https://www.silfabsolar.com](https://www.silfabsolar.com) |

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...

Silfab Solar is a North American leader in the design, development, and manufacture of high-efficiency, premium-quality solar cells and modules. Leveraging over 40 years of solar experience, they operate fully automated facilities in Washington, South Carolina, and Ontario, Canada. Their products are designed and...


## Catalog & Power


| Measure | AE Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Panel Models | 646 | 47 | +599 |
| Max Power | 730 W | 640 W | +90 W |
| Avg Power | 489 W | 429 W | +60 W |


## Efficiency


| Measure | AE Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.43% | 22.92% | +1.51 pp |
| Avg Efficiency | 21.11% | 20.56% | +0.55 pp |


## Reliability & Warranty


| Measure | AE Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.312%/°C | -0.341%/°C | +0.030 |
| Bifacial Share | 405 (63%) | 14 (30%) | +33 pp |
| Avg Warranty | 29.7 yrs | 30.0 yrs | +0.3 yr |


## Efficiency distribution

AE Solar skews to higher efficiency: 9% of lineup is 23%+


| Efficiency band | AE Solar | Silfab |
| --- | --- | --- |
| \<20% | 74 (11.5%) | 19 (40.4%) |
| 20-21% | 171 (26.5%) | 5 (10.6%) |
| 21-22% | 142 (22.0%) | 10 (21.3%) |
| 22-23% | 199 (30.8%) | 13 (27.7%) |
| 23%+ | 60 (9.3%) | 0 |


## Power distribution

AE Solar offers more 600W+ panels (13% of lineup)


| Power band | AE Solar | Silfab |
| --- | --- | --- |
| \<400W | 78 (12.1%) | 22 (46.8%) |
| 400-499W | 329 (50.9%) | 10 (21.3%) |
| 500-599W | 154 (23.8%) | 12 (25.5%) |
| 600-699W | 55 (8.5%) | 3 (6.4%) |
| 700W+ | 30 (4.6%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (54%)

Dominant cell tech: **PERC** (45%)


| Technology | AE Solar | Silfab |
| --- | --- | --- |
| TOPCon | 349 (54.0%) | 1 (2.1%) |
| PERC | 245 (37.9%) | 21 (44.7%) |
| Back Contact | 21 (3.3%) | 0 |
| N-type | 17 (2.6%) | 19 (40.4%) |
| BIPV | 9 (1.4%) | 0 |
| HJT | 5 (0.8%) | 0 |
| Unknown | 0 | 6 (12.8%) |


## Top panels, AE Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CME-132BDS-730](https://comparepv.com/panel/ae-solar-cme-132bds-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CME-132BDS-730W](https://comparepv.com/panel/ae-solar-cme-132bds-730w) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [CME-132BDS-725](https://comparepv.com/panel/ae-solar-cme-132bds-725) | 725 | 23.4 | -0.290 | Monocrystalline |
| 4 | [CME-132-725W](https://comparepv.com/panel/ae-solar-cme-132-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 5 | [CME-132BDS-725W](https://comparepv.com/panel/ae-solar-cme-132bds-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 6 | [AE CME-132 720](https://comparepv.com/panel/ae-solar-ae-cme-132-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 7 | [CME-132BDS-720](https://comparepv.com/panel/ae-solar-cme-132bds-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 8 | [AE CME-132-720](https://comparepv.com/panel/ae-solar-ae-cme-132-720-1) | 720 | 23.2 | -0.290 | Monocrystalline |
| 9 | [CME-132-720W](https://comparepv.com/panel/ae-solar-cme-132-720w) | 720 | 23.2 | -0.290 | Monocrystalline |
| 10 | [CME-132BDS-720W](https://comparepv.com/panel/ae-solar-cme-132bds-720w) | 720 | 23.2 | -0.290 | Monocrystalline |


## Top panels, Silfab


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SIL-640 XL](https://comparepv.com/panel/silfab-sil-640-xl) | 640 | 22.9 | -0.290 | Monocrystalline |
| 2 | [SIL-630 XL](https://comparepv.com/panel/silfab-sil-630-xl) | 630 | 22.6 | -0.290 | Monocrystalline |
| 3 | [SIL-620 XL](https://comparepv.com/panel/silfab-sil-620-xl) | 620 | 22.2 | -0.290 | Monocrystalline |
| 4 | [SIL-590 XM+](https://comparepv.com/panel/silfab-sil-590-xm) | 590 | 22.8 | -0.290 | Monocrystalline |
| 5 | [SIL-580-XM+-BIFACIAL](https://comparepv.com/panel/silfab-sil-580-xm-bifacial) | 580 | 22.4 | -0.290 | Monocrystalline |
| 6 | [SIL-570 XM+ BIFACIAL](https://comparepv.com/panel/silfab-sil-570-xm-bifacial) | 570 | 22.1 | -0.290 | Monocrystalline |
| 7 | [SIL-570 XM+](https://comparepv.com/panel/silfab-sil-570-xm) | 570 | 22.1 | -0.290 | Monocrystalline |
| 8 | [SIL-540-XM-BIFACIAL](https://comparepv.com/panel/silfab-sil-540-xm-bifacial) | 540 | 22.7 | -0.290 | Monocrystalline |
| 9 | [SIL-530 QM](https://comparepv.com/panel/silfab-sil-530-qm) | 530 | 22.3 | -0.290 | Monocrystalline |
| 10 | [SIL-530 XM](https://comparepv.com/panel/silfab-sil-530-xm) | 530 | 22.3 | -0.290 | Monocrystalline |


## Summary

AE Solar (AE Alternative Energy GmbH) was founded in 2003 by Alexander Maier and his brothers Victor and Waldemar in Königsbrunn, Germany. The company has built manufacturing facilities in China (since 2009), Georgia (since 2019), and Turkey (since 2021), reaching a combined annual production capacity of 2.5 GW. As of Q1 2025, AE Solar has achieved its 16th consecutive inclusion on the BloombergNEF Tier 1 PV Module Manufacturer list and was identified by BloombergNEF in 2024 as the sole European PV manufacturer with high bankability. Operating in more than 95 countries, AE Solar also became the first DIBt-certified Tier 1 PV module manufacturer and received the Kiwa PVEL Top Performer Award 2025. Silfab Solar was founded in 2010 and is headquartered in Mississauga, Ontario, Canada, with manufacturing plants in Toronto (Canada), Burlington WA, and Fort Mill SC (USA). Silfab is regarded as a Tier 1 bankable manufacturer and has raised over $225 million in funding, but its strategic focus is firmly on the North American market. On institutional footprint and geographic reach, AE Solar holds the stronger position internationally.

AE Solar's product portfolio spans residential rooftop systems, commercial C&I installations, and utility-scale ground-mount projects. The company's bifacial TOPCon modules have received industry recognition through the Kiwa PVEL Top Performer program, and AE Solar backs its products with a 30-year product warranty alongside a 30-year performance guarantee. Silfab's lineup centers on two main families - the Elite series, manufactured exclusively in the United States and targeting the premium residential segment, and the Prime series aimed at residential and light commercial applications. Silfab's warranty terms include a product warranty of up to 25 years and a 30-year linear performance guarantee with a stated retention rate of 87.8% at 30 years. Both companies compete on long-term reliability, but their geographic focus diverges sharply.

For international buyers outside North America - particularly in Europe and the Middle East - AE Solar is the more accessible and practically supported choice, given its European headquarters, confirmed BloombergNEF bankability, and broad distribution network across over 95 countries. Silfab is an excellent option for North American buyers who prioritize domestically manufactured panels and the supply-chain security that comes with US and Canadian production, but it offers limited presence and after-sales infrastructure elsewhere. The two brands are not directly interchangeable: AE Solar suits globally distributed projects, while Silfab is best suited to buyers within its North American home market.

Written by claude-sonnet from the figures above.


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- [AKCOME vs Silfab](https://comparepv.com/akcome-vs-silfab)
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- [ASM vs Silfab](https://comparepv.com/asm-vs-silfab)


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Source: https://comparepv.com/ae-solar-vs-silfab

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