---
title: "Silfab vs A.B. Energy - Brand Comparison | ComparePV"
description: "Compare Silfab vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/silfab-vs-a-b-energy"
---

# Silfab vs A.B. Energy

Silfab has the broader catalog (47 vs 0 models). Silfab leans bifacial (30% of lineup).


## The two companies


| Attribute | Silfab | A.B. Energy |
| --- | --- | --- |
| Country | Canada | Germany |
| Headquarters | Mississauga | Wiesbaden |
| Founded | 2010 | 1996 |
| Employees | 800+ | 1,400 |
| Annual capacity | 1.6 GW/year |  |
| Tier 1 | yes |  |
| Listed |  | Xetra, Frankfurt Stock Exchange: AB9 |
| Website | [https://www.silfabsolar.com](https://www.silfabsolar.com) | [https://abo-energy.com](https://abo-energy.com) |

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...

ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy...


## Catalog & Power


| Measure | Silfab | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 47 | 0 | +47 |
| Max Power | 640 W | 0 W | +640 W |
| Avg Power | 429 W | 0 W | +429 W |


## Efficiency


| Measure | Silfab | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.92% | - |  |
| Avg Efficiency | 20.56% | - |  |


## Reliability & Warranty


| Measure | Silfab | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.341%/°C | - |  |
| Bifacial Share | 14 (30%) | 0 (0%) | +30 pp |
| Avg Warranty | 30.0 yrs | - |  |


## Efficiency distribution


| Efficiency band | Silfab | A.B. Energy |
| --- | --- | --- |
| \<20% | 19 (40.4%) | 0 |
| 20-21% | 5 (10.6%) | 0 |
| 21-22% | 10 (21.3%) | 0 |
| 22-23% | 13 (27.7%) | 0 |


## Power distribution

Silfab offers more 600W+ panels (6% of lineup)


| Power band | Silfab | A.B. Energy |
| --- | --- | --- |
| \<400W | 22 (46.8%) | 0 |
| 400-499W | 10 (21.3%) | 0 |
| 500-599W | 12 (25.5%) | 0 |
| 600-699W | 3 (6.4%) | 0 |


## Cell technology

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


| Technology | Silfab | A.B. Energy |
| --- | --- | --- |
| PERC | 21 (44.7%) | 0 |
| N-type | 19 (40.4%) | 0 |
| Unknown | 6 (12.8%) | 0 |
| TOPCon | 1 (2.1%) | 0 |


## 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

Silfab Solar is a North American manufacturer founded in 2010, with Canadian roots and module assembly facilities in Bellingham, Washington and a newer cell-and-module plant in South Carolina. The company has Tier 1 bankability status, confirmed by third-party testing labs Kiwa PVEL and RETC, and has earned a Top Performer rating in the 2025 Kiwa PVEL PV Module Reliability Scorecard. With combined module assembly capacity reported in the range of 2 GW or more across its two facilities, Silfab occupies a clearly defined position as one of the few credible large-scale solar manufacturers operating entirely in the US and Canada. A.B. Energy, by contrast, appears to be a small Italian firm - registered as A.B. Energy SRLS - whose public profile describes it as a distributor and installer focused on energy efficiency products rather than a volume panel manufacturer. No Tier 1 classification, independent test results, or significant production capacity figures surfaced in available sources for A.B. Energy, which places the two brands in fundamentally different institutional tiers.

Silfab's product lineup spans residential and commercial segments, with the Elite series targeting premium residential rooftops using PERC back-contact technology and the Prime NTC line introducing N-type TOPCon cells, which push efficiency above 22% and improve low-light performance. A.B. Energy's product scope could not be verified from credible industry sources, so no comparable technology or use-case claims can be made here.

For any buyer evaluating these two brands in 2025, Silfab is the clear default choice. It has documented manufacturing scale, independent reliability validation, a well-supported warranty structure, and strong installer availability across North America. A.B. Energy's limited public footprint makes it difficult to assess for large or long-horizon projects, and buyers considering it should verify financier acceptance and local service support before committing.

\---LINKS---

\- https://www.solarreviews.com/blog/silfab-solar-panels-complete-review \| Silfab Solar Panels Expert Review 2025 - SolarReviews \| review

\- https://www.pv-magazine.com/2023/09/20/silfab-solar-to-start-us-cell-production-new-line-of-topcon-panels/ \| Silfab Solar to start US cell production, new TOPCon panels - PV Magazine \| article

\- https://www.businesswire.com/news/home/20250604106010/en/Silfab-Solar-Earns-Top-Performer-Status-in-the-2025-PV-Module-Reliability-Scorecard-From-Kiwa-PVEL \| Silfab Earns Top Performer Status in 2025 Kiwa PVEL Scorecard \| article

\- https://www.enfsolar.com/a-b-energy \| A.B. Energy SRLS profile - ENF Solar directory \| article

\- https://www.renewableenergyworld.com/solar/made-in-the-usa-silfab-solar-raises-another-100m-to-scale-its-new-south-carolina-cell-plant/ \| Silfab raises $100M to scale South Carolina cell plant \| article

Sources:

\- \[Silfab Solar Panels Expert Review 2025 - SolarReviews\](https://www.solarreviews.com/blog/silfab-solar-panels-complete-review)

\- \[Silfab Solar to start US cell production, new TOPCon panels - PV Magazine\](https://www.pv-magazine.com/2023/09/20/silfab-solar-to-start-us-cell-production-new-line-of-topcon-panels/)

\- \[Silfab Earns Top Performer Status in 2025 Kiwa PVEL Scorecard\](https://www.businesswire.com/news/home/20250604106010/en/Silfab-Solar-Earns-Top-Performer-Status-in-the-2025-PV-Module-Reliability-Scorecard-From-Kiwa-PVEL)

\- \[A.B. Energy SRLS profile - ENF Solar directory\](https://www.enfsolar.com/a-b-energy)

\- \[Silfab raises $100M to scale South Carolina cell plant\](https://www.renewableenergyworld.com/solar/made-in-the-usa-silfab-solar-raises-another-100m-to-scale-its-new-south-carolina-cell-plant/)

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

Source: https://comparepv.com/silfab-vs-a-b-energy

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