---
title: "Suntech vs Yingli - Brand Comparison | ComparePV"
description: "Compare Suntech vs Yingli solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/suntech-vs-yingli"
image: "https://comparepv.com/og/compare/manufacturers/suntech/yingli.png"
---

# Suntech vs Yingli

Suntech has the broader catalog (255 vs 196 models). Suntech leads on peak efficiency at 24.80%. Yingli leans bifacial (57% of lineup).


## The two companies


| Attribute | Suntech | Yingli |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Wuxi | Baoding, Hebei |
| Founded | 2001 | 1998 |
| Employees |  | 9000+ |
| Annual capacity |  | 2.45 GW/year |
| Tier 1 | yes | yes |
| Listed |  | OTC Pink: YGEHY |
| Website | [https://www.suntech-power.com](https://www.suntech-power.com) | [http://www.yinglisolar.com](http://www.yinglisolar.com) |

Yingli Solar, also known as Yingli Green Energy, is a leading solar energy company and one of the world's largest vertically integrated PV manufacturers. The company develops, manufactures, and sells PV modules to a wide range of markets. Yingli's mission is to provide affordable green energy for all.


## Catalog & Power


| Measure | Suntech | Yingli | Margin |
| --- | --- | --- | --- |
| Panel Models | 255 | 196 | +59 |
| Max Power | 735 W | 735 W |  |
| Avg Power | 505 W | 524 W | +19 W |


## Efficiency


| Measure | Suntech | Yingli | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 24.10% | +0.70 pp |
| Avg Efficiency | 21.76% | 21.28% | +0.48 pp |


## Reliability & Warranty


| Measure | Suntech | Yingli | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.316%/°C | -0.330%/°C | +0.015 |
| Bifacial Share | 114 (45%) | 112 (57%) | +12 pp |
| Avg Warranty | 28.4 yrs | 27.9 yrs | +0.5 yr |


## Efficiency distribution

Yingli skews to higher efficiency: 21% of lineup is 23%+


| Efficiency band | Suntech | Yingli |
| --- | --- | --- |
| \<20% | 11 (4.3%) | 30 (15.3%) |
| 20-21% | 61 (23.9%) | 39 (19.9%) |
| 21-22% | 64 (25.1%) | 42 (21.4%) |
| 22-23% | 70 (27.5%) | 44 (22.4%) |
| 23%+ | 49 (19.2%) | 41 (20.9%) |


## Power distribution

Yingli offers more 600W+ panels (37% of lineup)


| Power band | Suntech | Yingli |
| --- | --- | --- |
| \<400W | 32 (12.5%) | 32 (16.3%) |
| 400-499W | 104 (40.8%) | 52 (26.5%) |
| 500-599W | 69 (27.1%) | 39 (19.9%) |
| 600-699W | 42 (16.5%) | 62 (31.6%) |
| 700W+ | 8 (3.1%) | 11 (5.6%) |


## Cell technology

Dominant cell tech: TOPCon (71%)

Dominant cell tech: PERC (32%)


| Technology | Suntech | Yingli |
| --- | --- | --- |
| TOPCon | 180 (70.6%) | 54 (27.6%) |
| Unknown | 65 (25.5%) | 20 (10.2%) |
| PERC | 5 (2.0%) | 63 (32.1%) |
| N-type | 5 (2.0%) | 59 (30.1%) |


## 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 |


## Top panels, Yingli


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [YL735CF66 f/2](https://comparepv.com/panel/yingli-yl735cf66-f-2) | 735 | 23.7 | -0.290 | Monocrystalline |
| 2 | [YL730CF66 f/2](https://comparepv.com/panel/yingli-yl730cf66-f-2) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [YL725CF66 f/2](https://comparepv.com/panel/yingli-yl725cf66-f-2) | 725 | 23.3 | -0.290 | Monocrystalline |
| 4 | [YL720CF66 f/2](https://comparepv.com/panel/yingli-yl720cf66-f-2) | 720 | 23.2 | -0.290 | Monocrystalline |
| 5 | [LF720M12N-66H/BF](https://comparepv.com/panel/yingli-lf720m12n-66h-bf) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [YL715CF66 f/2](https://comparepv.com/panel/yingli-yl715cf66-f-2) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [LF715M12N-66H/BF](https://comparepv.com/panel/yingli-lf715m12n-66h-bf) | 715 | 23.0 | -0.290 | Monocrystalline |
| 8 | [YL710CF66 f/2](https://comparepv.com/panel/yingli-yl710cf66-f-2) | 710 | 22.9 | -0.290 | Monocrystalline |
| 9 | [LF710M12N-66H/BF](https://comparepv.com/panel/yingli-lf710m12n-66h-bf) | 710 | 22.9 | -0.290 | Monocrystalline |
| 10 | [LF705M12N-66H/BF](https://comparepv.com/panel/yingli-lf705m12n-66h-bf) | 705 | 22.7 | -0.290 | Monocrystalline |


## Summary

Suntech is a Chinese solar manufacturer founded in 2001 by Dr. Zhengrong Shi in Wuxi, Jiangsu Province. After a 2005 NYSE listing and reaching 1 GW annual production capacity by 2008, the company defaulted on a $541 million bond in 2013 and underwent bankruptcy restructuring, with its Wuxi operations passing to Shenglong Photovoltaic Technology. Most recently, Xiamen C&D Group assumed management of Wuxi Suntech in late 2024 before exiting that role by mid-2025, leaving ownership in renewed transition. Despite this turbulence, Suntech has historically held Bloomberg BNEF Tier 1 bankability status, and the brand carries substantial market recognition with cumulative shipments exceeding 55 GW across more than 100 countries and annual module volumes in the range of approximately 10 GW in recent years. Yingli Green Energy, founded in 1998 in Baoding, Hebei Province, was the world's largest PV module shipper in 2012-2013 before running into serious debt difficulties from around 2015. It completed its financial restructuring by approximately 2022 and regained Bloomberg BNEF Tier 1 status, with reported module capacity ranging from roughly 7 GW to 20 GW depending on the source and year. Yingli's completed restructuring gives it a somewhat cleaner institutional profile entering the mid-2020s.

Both manufacturers have pivoted their product lineups toward higher-efficiency cell technologies. Suntech's range spans from around 395W to 720W, covering residential rooftop through utility-scale ground-mount applications, with its most advanced models reaching up to 23.2% module efficiency as the company transitions from PERC toward TOPCon. Yingli's flagship high-efficiency offering is the PANDA 3.0 PRO, an n-type TOPCon bifacial module confirmed by pv-magazine at 22.28% efficiency and 625W output, backed by in-house TOPCon cell capacity of around 5 GW. Yingli also retains PERC modules in its portfolio for more cost-sensitive segments. Both brands address residential, commercial and industrial, and utility-scale use cases across international markets.

For a typical buyer equipping a residential rooftop or a mid-scale commercial installation, Suntech and Yingli occupy a broadly comparable position among Chinese mid-market manufacturers, with similar price-to-performance ratios. The key differentiator today is corporate stability rather than panel technology: Yingli's restructuring is essentially complete, while Suntech continues to navigate repeated management transitions. Buyers financing large bankable projects should examine Suntech's current ownership structure and warranty backstop carefully before committing; for smaller residential or C&I projects where long-term institutional counterparty risk is a lesser concern, the two brands are largely interchangeable.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Suntech vs A.B. Energy](https://comparepv.com/suntech-vs-a-b-energy)
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- [Suntech vs AEET](https://comparepv.com/suntech-vs-aeet)
- [AIKO vs Yingli](https://comparepv.com/aiko-vs-yingli)
- [Suntech vs AKCOME](https://comparepv.com/suntech-vs-akcome)
- [ARTsolar vs Yingli](https://comparepv.com/artsolar-vs-yingli)


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

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