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

# ARTsolar vs Silfab

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


## The two companies


| Attribute | ARTsolar | Silfab |
| --- | --- | --- |
| Country | South Africa | Canada |
| Headquarters | Durban | Mississauga |
| Founded | 2010 | 2010 |
| Employees |  | 800+ |
| Annual capacity |  | 1.6 GW/year |
| Tier 1 | no | yes |
| Listed |  |  |
| Website | [https://www.artsolar.co.za](https://www.artsolar.co.za) | [https://www.silfabsolar.com](https://www.silfabsolar.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...


## Catalog & Power


| Measure | ARTsolar | Silfab | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 47 | +47 |
| Max Power | 0 W | 640 W | +640 W |
| Avg Power | 0 W | 429 W | +429 W |


## Efficiency


| Measure | ARTsolar | Silfab | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 22.92% |  |
| Avg Efficiency | - | 20.56% |  |


## Reliability & Warranty


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


## Efficiency distribution


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


## Power distribution

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


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


## Cell technology

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


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


## 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 with roots in Toronto, Canada, where it was founded in 2010 and has maintained its corporate headquarters. It operates module production in Bellingham, Washington and is adding fully integrated cell-and-module manufacturing in Fort Mill, South Carolina - a facility backed by $110 million in U.S. 45X Advanced Manufacturing Tax Credits secured in May 2025. Silfab holds Tier 1 bankability status and is recognized by major financiers as a reliable domestic supplier, a distinction that gives it a strong position among installers seeking IRA-compliant, U.S.-made hardware. ARTsolar, also founded in 2010, is headquartered in Durban, South Africa, and is the country's only 100% locally owned solar module manufacturer. It recently upgraded its Durban facility to a 340 MW assembly line through a partnership with JA Solar announced in June 2025. ARTsolar does not appear on major BloombergNEF Tier 1 lists, though its products carry international certifications and it holds an important position as a local-content supplier within South Africa's IPP procurement programs. On institutional footprint, Silfab has the broader international standing.

On the product side, Silfab targets premium residential rooftops and light commercial installations in North America, with its current lineup built around n-type TOPCon technology and a newer back-contact module line it is scaling at its Bellingham plant following the May 2025 acquisition of EnPV's patent portfolio. Warranties run to 25 years on the product and 30 years on linear performance. ARTsolar focuses primarily on utility-scale and commercial ground-mount projects within Sub-Saharan Africa, assembling large-format modules using JA Solar cells under the new partnership arrangement. It also offers a 30-year linear output guarantee and serves residential buyers through its own e-commerce channel, though utility and commercial work remains its core market.

For a buyer in North America seeking bankable, domestically manufactured panels in 2025, Silfab is the clearer choice, particularly given its Tier 1 status and IRA eligibility. ARTsolar is not a realistic alternative in that market - it is purpose-built for the South African and broader African context, where local-content mandates make it a meaningful competitive option that Silfab simply cannot match.

\---LINKS---

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

\- https://www.pv-tech.org/silfab-making-back-contact-pv-modules-in-north-america/ \| Silfab making back-contact PV modules in North America - PV Tech \| article

\- https://www.pv-magazine.com/2024/05/21/silfab-receives-funds-to-develop-u-s-made-back-contact-n-type-solar-cells/ \| Silfab secures funds for US-made back-contact n-type PV cells \| article

\- https://www.pv-magazine.com/2025/06/17/ja-solar-artsolar-agree-to-expand-pv-module-manufacturing-in-south-africa/ \| JA Solar and ARTsolar agree to expand PV module manufacturing in South Africa \| article

\- https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12 \| ARTsolar and JA Solar driving South Africa's renewable energy revolution \| article

Sources:

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

\- \[Silfab making back-contact PV modules in North America - PV Tech\](https://www.pv-tech.org/silfab-making-back-contact-pv-modules-in-north-america/)

\- \[Silfab secures funds for US-made back-contact n-type PV cells - pv magazine\](https://www.pv-magazine.com/2024/05/21/silfab-receives-funds-to-develop-u-s-made-back-contact-n-type-solar-cells/)

\- \[JA Solar and ARTsolar agree to expand PV module manufacturing in South Africa - pv magazine\](https://www.pv-magazine.com/2025/06/17/ja-solar-artsolar-agree-to-expand-pv-module-manufacturing-in-south-africa/)

\- \[ARTsolar and JA Solar driving South Africa's renewable energy revolution - Engineering News\](https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12)

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

Source: https://comparepv.com/artsolar-vs-silfab