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Heliene vs Talesun - solar panel manufacturer comparison

Heliene
Canada Founded 2010 Tier 1
Read the Heliene review
VS
Talesun
China Founded 2010 Tier 1
Read the Talesun review
At a glance

Talesun has the broader catalog (144 vs 91 models). Talesun leads on peak efficiency at 24.80%.

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
91 144
Highest power
710 Wp 710 Wp
Best efficiency
23.1% 24.8%
Average efficiency
21.5% 22.1%
Bifacial share
65% 59%
Average warranty
25 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Heliene

Heliene is a North American headquartered manufacturer of high-quality, competitively priced solar photovoltaic modules. They have manufacturing operations in the US and Canada, and a global supply chain capability. Heliene is committed to providing reliable and high-performing solar solutions for utility-scale...

Founded
2010
Headquarters
Sault Ste. Marie, Canada
Annual capacity
1.3 GW/year
Employees
200-600
Tier 1 bankable
Yes
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
02

Catalogue against catalogue

Averages over every model in the database
Metric Heliene Talesun
Catalog & Power
Panel Models 91 144+53
Max Power 710 W 710 W
Avg Power 528 W 564 W+36 W
Efficiency
Max Efficiency 23.08% 24.80%+1.72 pp
Avg Efficiency 21.47% 22.14%+0.68 pp
Reliability & Warranty
Avg Temp Coefficient -0.315%/°C -0.304%/°C+0.012
Bifacial Share 59 (65%)+6 pp 85 (59%)
Avg Warranty 25.0 yrs 28.8 yrs+3.8 yr

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)

Heliene cell technology
Share of their models by cell architecture

Dominant cell tech: PERC (43%)

Talesun cell technology
Share of their models by cell architecture

Dominant cell tech: TOPCon (44%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...
06

Other brand comparisons

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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

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.