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

# Horay Solar vs Suntech

Suntech has the broader catalog (255 vs 182 models). Suntech leads on peak efficiency at 24.80%. Horay Solar leans bifacial (67% of lineup).


## The two companies


| Attribute | Horay Solar | Suntech |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Wuxi, Jiangsu Province | Wuxi |
| Founded | 2010 | 2001 |
| Employees | 400 |  |
| Annual capacity | 2.5 GW/year |  |
| Tier 1 | yes | yes |
| Listed |  |  |
| Website | [http://www.horaysolar.com](http://www.horaysolar.com) | [https://www.suntech-power.com](https://www.suntech-power.com) |

Horay Solar is an integrated photovoltaic company specializing in the R&D, production, and sales of solar modules and solar power systems. They are committed to globalization and offer standard and customized solar module solutions. The company's products are exported globally, providing efficient clean energy...


## Catalog & Power


| Measure | Horay Solar | Suntech | Margin |
| --- | --- | --- | --- |
| Panel Models | 182 | 255 | +73 |
| Max Power | 720 W | 735 W | +15 W |
| Avg Power | 536 W | 505 W | +31 W |


## Efficiency


| Measure | Horay Solar | Suntech | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.30% | 24.80% | +1.50 pp |
| Avg Efficiency | 22.46% | 21.76% | +0.70 pp |


## Reliability & Warranty


| Measure | Horay Solar | Suntech | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.280%/°C | -0.316%/°C | +0.036 |
| Bifacial Share | 122 (67%) | 114 (45%) | +22 pp |
| Avg Warranty | 30.0 yrs | 28.4 yrs | +1.6 yr |


## Efficiency distribution

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


| Efficiency band | Horay Solar | Suntech |
| --- | --- | --- |
| 21-22% | 24 (13.2%) | 64 (25.1%) |
| 22-23% | 133 (73.1%) | 70 (27.5%) |
| 23%+ | 25 (13.7%) | 49 (19.2%) |
| \<20% | 0 | 11 (4.3%) |
| 20-21% | 0 | 61 (23.9%) |


## Power distribution

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


| Power band | Horay Solar | Suntech |
| --- | --- | --- |
| 400-499W | 55 (30.2%) | 104 (40.8%) |
| 500-599W | 91 (50.0%) | 69 (27.1%) |
| 600-699W | 33 (18.1%) | 42 (16.5%) |
| 700W+ | 3 (1.6%) | 8 (3.1%) |
| \<400W | 0 | 32 (12.5%) |


## Cell technology

Dominant cell tech: **TOPCon** (56%)

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


| Technology | Horay Solar | Suntech |
| --- | --- | --- |
| TOPCon | 102 (56.0%) | 180 (70.6%) |
| N-type | 80 (44.0%) | 5 (2.0%) |
| Unknown | 0 | 65 (25.5%) |
| PERC | 0 | 5 (2.0%) |


## Top panels, Horay Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HS720TC-MHG-D](https://comparepv.com/panel/horay-solar-hs720tc-mhg-d) | 720 | 23.2 | -0.280 | Monocrystalline |
| 2 | [HS710TC-MHG-D](https://comparepv.com/panel/horay-solar-hs710tc-mhg-d) | 710 | 22.9 | -0.280 | Monocrystalline |
| 3 | [HS700TC-MHG-D](https://comparepv.com/panel/horay-solar-hs700tc-mhg-d) | 700 | 22.5 | -0.280 | Monocrystalline |
| 4 | [HS690TC-MHG-D](https://comparepv.com/panel/horay-solar-hs690tc-mhg-d) | 690 | 22.2 | -0.280 | Monocrystalline |
| 5 | [HS680TC-MHG-D](https://comparepv.com/panel/horay-solar-hs680tc-mhg-d) | 680 | 21.9 | -0.280 | Monocrystalline |
| 6 | [HS650TC-MHD-D](https://comparepv.com/panel/horay-solar-hs650tc-mhd-d) | 650 | 23.3 | -0.280 | Monocrystalline |
| 7 | [HS645TC-MHD-D](https://comparepv.com/panel/horay-solar-hs645tc-mhd-d) | 645 | 23.1 | -0.280 | Monocrystalline |
| 8 | [HS640TC-MHD-D](https://comparepv.com/panel/horay-solar-hs640tc-mhd-d) | 640 | 22.9 | -0.280 | Monocrystalline |
| 9 | [HS635TC-MHD-D](https://comparepv.com/panel/horay-solar-hs635tc-mhd-d) | 635 | 22.7 | -0.280 | Monocrystalline |
| 10 | [HS635TC-MHG-D](https://comparepv.com/panel/horay-solar-hs635tc-mhg-d) | 635 | 22.4 | -0.280 | Monocrystalline |


## 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

Horay Solar is a Chinese photovoltaic manufacturer founded in 2010 and headquartered in Wuxi, Jiangsu Province. The company achieved BNEF Tier 1 bankability status for Q1 2025, confirming that its modules have been used in projects financed by reputable institutions, and it operates with an annual module production capacity of approximately 2.5 GW. Suntech - also headquartered in Wuxi - is a considerably more established name, founded in 2001 by Dr. Shi Zhengrong and notable as the first Chinese solar company to list on the New York Stock Exchange, back in 2005. Suntech has reported cumulative global shipments exceeding 55 GW across more than 100 countries and has maintained a recurring presence on BNEF Tier 1 lists over many years. It should be noted that as of early 2026, Hongyuan Green Energy (Hysolar) has moved to acquire a controlling stake in Wuxi Suntech, a development that may affect the company's near-term corporate structure and strategic direction. On the measure of institutional footprint and global brand recognition, Suntech holds a clear historical advantage.

Horay Solar's catalog spans both PERC and N-type TOPCon cell technologies, offered in 182mm and 210mm wafer formats across mono-facial and bifacial configurations. The company targets residential rooftop installations, commercial and industrial (C&I) projects, and smaller utility-scale ground-mount systems, holding standard international certifications including TUV, IEC, and CE that cover entry into European and Australian markets. Suntech's product range is similarly broad, from residential-scale modules to high-output panels exceeding 600W aimed at large-scale utility projects. Suntech's monocrystalline PERC modules have performed strongly in independent durability testing - including thermal cycling, damp heat, mechanical stress, and PID resistance sequences - which supports their reputation for long-term field reliability.

For a typical international buyer, Suntech's longer commercial track record, wider global distribution presence, and sustained BNEF Tier 1 history make it the somewhat safer default, especially on larger projects where long-term warranty support and brand continuity carry weight. Horay Solar is a credible alternative - particularly for cost-sensitive residential and C&I projects where BNEF Tier 1 bankability is the primary institutional threshold that needs to be met. The two brands are not far apart in terms of current technology generation or price positioning, and a buyer with strong local distributor support for Horay Solar should not feel compelled to pay a premium for Suntech on name recognition alone.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Horay Solar vs A.B. Energy](https://comparepv.com/horay-solar-vs-a-b-energy)
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- [AIKO vs Suntech](https://comparepv.com/aiko-vs-suntech)
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- [ARTsolar vs Suntech](https://comparepv.com/artsolar-vs-suntech)


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Source: https://comparepv.com/horay-solar-vs-suntech

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