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Talesun vs Trina Solar - solar panel manufacturer comparison

Talesun
China Founded 2010 Tier 1
Read the Talesun review
VS
Trina Solar
China Founded 1997 Tier 1
Read the Trina Solar review
At a glance

Trina Solar has the broader catalog (340 vs 144 models). Talesun leans bifacial (59% 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
144 340
Highest power
710 Wp 760 Wp
Best efficiency
24.8% 24.8%
Average efficiency
22.1% 21.7%
Bifacial share
59% 43%
Average warranty
29 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Talesun

Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...

Founded
2010
Headquarters
Suzhou, China
Annual capacity
5+ GW/year
Employees
501
Tier 1 bankable
Yes
Trina Solar
Founded
1997
Headquarters
Changzhou, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Talesun Trina Solar
Catalog & Power
Panel Models 144 340+196
Max Power 710 W 760 W+50 W
Avg Power 564 W+44 W 520 W
Efficiency
Max Efficiency 24.80% 24.80%
Avg Efficiency 22.14%+0.43 pp 21.71%
Reliability & Warranty
Avg Temp Coefficient -0.304%/°C -0.302%/°C+0.002
Bifacial Share 85 (59%)+16 pp 145 (43%)
Avg Warranty 28.8 yrs+0.5 yr 28.2 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

Talesun skews to higher efficiency: 28% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Talesun offers more 600W+ panels (49% of lineup)

Talesun cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (44%)

Trina Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (73%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Talesun Solar (Suzhou Talesun Solar Technologies Co., Ltd.) was founded in 2010 as a wholly owned subsidiary of Jiangsu Zhongli Group, a Shenzhen-listed conglomerate with corporate roots going back to 1988. Headquartered in Suzhou, Jiangsu Province, China, Talesun has developed a multi-gigawatt module manufacturing operation and was listed on the BloombergNEF Tier 1 Module Supplier ranking in Q1 2025. Trina Solar was founded in 1997 by Jifan Gao, is headquartered in Jiangsu Province, and established an international headquarters in Shanghai in 2022. It has maintained a continuous BloombergNEF Tier 1 status over many years and has recorded cumulative module shipments exceeding 205 GW across more than 100 countries, placing it consistently among the top-three global module suppliers. In terms of institutional depth, bankability history, and market scale, Trina Solar holds the clearly stronger standing.

Talesun addresses a wide application range - from residential rooftop systems to commercial and industrial projects and utility-scale ground-mounted farms. The company has actively expanded into European markets, delivering over 800 MW to Europe between 2021 and mid-2022, and has established meaningful volume partnerships in Poland through local distribution networks. Trina Solar serves an equally broad spectrum of end markets globally, with particular strength in utility-scale and C&I segments. The company has been a key driver of the 210mm large-format module platform, with its 210mm shipments reported to account for approximately 170 GW of the roughly 380 GW global cumulative for that format by end of 2024, underscoring its role as a technology leader in high-power modules.

For international buyers, both brands offer bankable, Tier 1-rated products backed by global distribution and competitive warranty terms. Trina Solar's longer track record, larger cumulative shipments, and deeper relationships with project finance institutions make it the lower-risk choice for large utility-scale or finance-driven procurement. Talesun is a credible mid-tier alternative that may offer competitive pricing in commercial and residential segments, particularly in markets - including Poland and parts of Western Europe - where it has already established local distribution partnerships. For buyers in those specific markets, the two are more closely matched than the headline scale difference might suggest.

Generated by Claude Sonnet · 2026-05-13

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 2 Talesun offers · See 211 Trina Solar 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.