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

# ARTsolar vs Suntech

Suntech has the broader catalog (255 vs 0 models). Suntech leans bifacial (45% of lineup).


## The two companies


| Attribute | ARTsolar | Suntech |
| --- | --- | --- |
| Country | South Africa | China |
| Headquarters | Durban | Wuxi |
| Founded | 2010 | 2001 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  |  |
| Website | [https://www.artsolar.co.za](https://www.artsolar.co.za) | [https://www.suntech-power.com](https://www.suntech-power.com) |


## Catalog & Power


| Measure | ARTsolar | Suntech | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 255 | +255 |
| Max Power | 0 W | 735 W | +735 W |
| Avg Power | 0 W | 505 W | +505 W |


## Efficiency


| Measure | ARTsolar | Suntech | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.76% |  |


## Reliability & Warranty


| Measure | ARTsolar | Suntech | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.316%/°C |  |
| Bifacial Share | 0 (0%) | 114 (45%) | +45 pp |
| Avg Warranty | - | 28.4 yrs |  |


## Efficiency distribution

Suntech skews to higher efficiency: 19% of lineup is 23%+


| Efficiency band | ARTsolar | Suntech |
| --- | --- | --- |
| \<20% | 0 | 11 (4.3%) |
| 20-21% | 0 | 61 (23.9%) |
| 21-22% | 0 | 64 (25.1%) |
| 22-23% | 0 | 70 (27.5%) |
| 23%+ | 0 | 49 (19.2%) |


## Power distribution

Suntech offers more 600W+ panels (20% of lineup)


| Power band | ARTsolar | Suntech |
| --- | --- | --- |
| \<400W | 0 | 32 (12.5%) |
| 400-499W | 0 | 104 (40.8%) |
| 500-599W | 0 | 69 (27.1%) |
| 600-699W | 0 | 42 (16.5%) |
| 700W+ | 0 | 8 (3.1%) |


## Cell technology

Dominant cell tech: **TOPCon** (71%)


| Technology | ARTsolar | Suntech |
| --- | --- | --- |
| TOPCon | 0 | 180 (70.6%) |
| Unknown | 0 | 65 (25.5%) |
| PERC | 0 | 5 (2.0%) |
| N-type | 0 | 5 (2.0%) |


## Top panels, Suntech


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [STP735S-D66-Nsh+](https://comparepv.com/panel/suntech-stp735s-d66-nsh) | 735 | 23.7 | -0.280 | Monocrystalline |
| 2 | [STP730S-D66-Nsh+](https://comparepv.com/panel/suntech-stp730s-d66-nsh) | 730 | 23.5 | -0.280 | Monocrystalline |
| 3 | [STP725S-D66-Nsh+](https://comparepv.com/panel/suntech-stp725s-d66-nsh) | 725 | 23.3 | -0.280 | Monocrystalline |
| 4 | [STP720S-D66-Nsh+](https://comparepv.com/panel/suntech-stp720s-d66-nsh) | 720 | 23.2 | -0.280 | Monocrystalline |
| 5 | [STP715S-D66-Nsh+](https://comparepv.com/panel/suntech-stp715s-d66-nsh) | 715 | 23.0 | -0.280 | Monocrystalline |
| 6 | [STP710S-D66-Nsh+](https://comparepv.com/panel/suntech-stp710s-d66-nsh) | 710 | 22.9 | -0.290 | Monocrystalline |
| 7 | [STP705S-D66-Nsh+](https://comparepv.com/panel/suntech-stp705s-d66-nsh) | 705 | 22.7 | -0.290 | Monocrystalline |
| 8 | [STP700S-D66-Nsh+](https://comparepv.com/panel/suntech-stp700s-d66-nsh) | 700 | 22.5 | -0.290 | Monocrystalline |
| 9 | [STP675S-D66/Wmh](https://comparepv.com/panel/suntech-stp675s-d66-wmh) | 675 | 21.7 | -0.340 | Monocrystalline |
| 10 | [STP670S-D66/Wmh](https://comparepv.com/panel/suntech-stp670s-d66-wmh) | 670 | 21.6 | -0.340 | Monocrystalline |


## Summary

ARTsolar is a South African manufacturer founded in 2010 and headquartered in Pinetown, KwaZulu-Natal, operating as the country's only locally owned solar module maker. Its production line was designed for roughly 300 MW per year, though it has run below that level due to market conditions. The company holds partnerships with large Chinese cell suppliers - most recently JA Solar, targeting around 340 MW of annual module output - but does not appear on BloombergNEF Tier 1 bankability lists as a standalone entity. Suntech, by contrast, was founded in 2001 in Wuxi, China, and was once among the world's largest solar manufacturers, reporting module capacity of approximately 11 GW by late 2021 and cumulative shipments exceeding 55 GW through 2024. Suntech has carried a BNEF Tier 1 designation and sells into more than 100 countries. It has faced serious financial turbulence, including a sovereign-level bond default in 2013 and a second restructuring process beginning in late 2024, but its global institutional footprint remains considerably larger than ARTsolar's.

ARTsolar targets the southern African residential and small commercial rooftop market, where its local manufacturing credentials help projects qualify under South Africa's Integrated Resource Plan local-content requirements. Its portfolio includes monocrystalline panels with TOPCon cell technology. Suntech serves a broader spectrum - from residential rooftops to utility-scale ground-mount arrays - across Europe, Australia, and emerging markets, and its 136-model lineup covers a wide wattage range at price points positioned as affordable within the Tier 1 segment, typically between $0.65 and $0.85 per watt before installation.

For buyers outside southern Africa, Suntech's global supply chain, wider installer familiarity, and larger warranty reserve base make it the more straightforward default choice in 2025, though its ongoing restructuring warrants due diligence on warranty backstop arrangements. ARTsolar is the rational pick for South African projects that require local content compliance or want to support domestic manufacturing, provided the buyer verifies the company's current operational status given reported capacity underutilization.

\---LINKS---

\- 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.dailymaverick.co.za/article/2021-04-20-worlds-largest-solar-tech-leader-partners-with-sa-pv-panel-maker-to-meet-ipp-programmes-demands/ \| LONGi Solar partners with ARTsolar to meet IPP programme demands \| article

\- https://8msolar.com/suntech-solar-panels-review/ \| Suntech Solar Panels Review - 8MSolar \| review

\- https://www.solarchoice.net.au/products/panels/Suntech-Review/ \| Suntech Solar Panels - Independent Review by Solar Choice \| review

\- https://it.suntech-power.com/suntech-ranked-one-of-the-worlds-most-bankable-pv-module-brands-by-bloomberg-new-energy-finance/ \| Suntech ranked among world's Most Bankable PV Module Brands by BNEF \| article

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 Suntech](https://comparepv.com/ae-solar-vs-suntech)
- [ARTsolar vs AEET](https://comparepv.com/artsolar-vs-aeet)
- [AIKO vs Suntech](https://comparepv.com/aiko-vs-suntech)
- [ARTsolar vs AKCOME](https://comparepv.com/artsolar-vs-akcome)
- [ASM vs Suntech](https://comparepv.com/asm-vs-suntech)


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