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Horay Solar vs Suntech - solar panel manufacturer comparison

Horay Solar
China Founded 2010 Tier 1
Read the Horay Solar review
VS
Suntech
China Founded 2001 Tier 1
Read the Suntech review
At a glance

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

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
182 255
Highest power
720 Wp 735 Wp
Best efficiency
23.3% 24.8%
Average efficiency
22.5% 21.8%
Bifacial share
67% 45%
Average warranty
30 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Horay Solar

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...

Founded
2010
Headquarters
Wuxi, Jiangsu Province, China
Annual capacity
2.5 GW/year
Employees
400
Tier 1 bankable
Yes
Suntech
Founded
2001
Headquarters
Wuxi, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Horay Solar Suntech
Catalog & Power
Panel Models 182 255+73
Max Power 720 W 735 W+15 W
Avg Power 536 W+31 W 505 W
Efficiency
Max Efficiency 23.30% 24.80%+1.50 pp
Avg Efficiency 22.46%+0.70 pp 21.76%
Reliability & Warranty
Avg Temp Coefficient -0.280%/°C+0.036 -0.316%/°C
Bifacial Share 122 (67%)+22 pp 114 (45%)
Avg Warranty 30.0 yrs+1.6 yr 28.4 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

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

Power spread
Share of each catalogue in every power band

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

Horay Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (56%)

Suntech cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (71%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

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 600 W 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.

Generated by Claude Sonnet · 2026-06-17

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 22 Suntech offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.