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Sunova vs Suntech - solar panel manufacturer comparison

Sunova
China Founded 2008
Read the Sunova review
VS
Suntech
China Founded 2001 Tier 1
Read the Suntech review
At a glance

Suntech has the broader catalog (255 vs 183 models). Suntech leads on peak efficiency at 24.80%. Sunova leans bifacial (92% 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
183 255
Highest power
720 Wp 735 Wp
Best efficiency
23.2% 24.8%
Average efficiency
21.6% 21.8%
Bifacial share
92% 45%
Average warranty
28 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Sunova
Founded
2008
Headquarters
Hefei, China
Suntech
Founded
2001
Headquarters
Wuxi, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Sunova Suntech
Catalog & Power
Panel Models 183 255+72
Max Power 720 W 735 W+15 W
Avg Power 523 W+18 W 505 W
Efficiency
Max Efficiency 23.20% 24.80%+1.60 pp
Avg Efficiency 21.60% 21.76%+0.16 pp
Reliability & Warranty
Avg Temp Coefficient -0.317%/°C -0.316%/°C+0.001
Bifacial Share 168 (92%)+47 pp 114 (45%)
Avg Warranty 28.4 yrs+0.0 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

Sunova offers more 600W+ panels (22% of lineup)

Sunova cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (49%)

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...

Suntech is a Chinese solar manufacturer founded in 2001 by Dr. Zhengrong Shi in Wuxi, Jiangsu province, making it one of the longest-established names in the global photovoltaic industry. After financial restructuring in the early 2010s, the company rebuilt under the name Wuxi Suntech Power Co., Ltd. and re-established itself as a BNEF Tier 1 manufacturer. With cumulative global shipments exceeding 55 GW across more than 100 countries and manufacturing operations extending to Germany and Japan, Suntech ranks among the most widely deployed module brands in history. Its current annual production capacity stands at approximately 2.4 GW. Sunova Solar, founded in 2016, is a considerably younger Chinese manufacturer with factories in both China and Vietnam. It holds BNEF Tier 1 status and is scaling aggressively, with 5.5 GW of module production capacity already in operation, a further 4.5 GW under construction, and a 9 GW cell factory commissioned in Yibin, Sichuan in early 2024. Sunova's cumulative shipments reached 4.3 GW by end-2023 - a fraction of Suntech's totals - giving Suntech the considerably stronger institutional footprint internationally.

Suntech's current portfolio centers on its Ultra V Pro and Ultra X Pro series, built around n-type TOPCon cell technology with peak module efficiency reaching 23.2 percent. Its power range spans from 395 W to 720 W, covering residential rooftop systems, commercial and industrial buildings, and utility-scale ground-mount projects; the company also produces all-black modules for the premium residential segment. Sunova takes a dual-technology approach, offering both n-type TOPCon bifacial dual-glass panels in the 585 W to 605 W bracket and an HJT bifacial line rated up to 480 W - making it one of the few mid-scale brands to commercialize HJT alongside TOPCon at meaningful volume.

For most international buyers, Suntech is the lower-risk default: two decades of operating history, over 55 GW of deployed capacity worldwide, and broad installer familiarity all support confidence in long-term warranty performance. Sunova is a credible alternative well suited to buyers who specifically want access to HJT technology or who value a supplier with a modern, rapidly expanding production base. Both carry BNEF Tier 1 status, so for procurement teams using bankability as their primary filter the two brands are largely interchangeable - with Suntech holding a clear edge on track record alone.

Generated by Claude Sonnet · 2026-06-16

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 27 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.