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Phono Solar vs Talesun - solar panel manufacturer comparison

Phono Solar
China Founded 2004 Tier 1
Read the Phono Solar review
VS
Talesun
China Founded 2010 Tier 1
Read the Talesun review
At a glance

Phono Solar has the broader catalog (174 vs 144 models). Talesun leads on peak efficiency at 24.80%. 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
174 144
Highest power
730 Wp 710 Wp
Best efficiency
23.5% 24.8%
Average efficiency
21.8% 22.1%
Bifacial share
43% 59%
Average warranty
27 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Phono Solar

Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been...

Founded
2004
Headquarters
Nanjing, China
Annual capacity
3-4 GW/year
Employees
13000+
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 Phono Solar Talesun
Catalog & Power
Panel Models 174+30 144
Max Power 730 W+20 W 710 W
Avg Power 515 W 564 W+49 W
Efficiency
Max Efficiency 23.50% 24.80%+1.30 pp
Avg Efficiency 21.77% 22.14%+0.37 pp
Reliability & Warranty
Avg Temp Coefficient -0.306%/°C -0.304%/°C+0.002
Bifacial Share 74 (43%) 85 (59%)+16 pp
Avg Warranty 27.1 yrs 28.8 yrs+1.6 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)

Phono Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (37%)

Talesun cell technology
Share of their models by cell architecture

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

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Phono Solar is a Chinese manufacturer headquartered in Nanjing, founded in 2004 as the photovoltaic arm of SUMEC Group - a subsidiary of China National Machinery Industry Corporation. The company has held Bloomberg NEF Tier 1 bankable status continuously since 2014, giving it one of the longer unbroken records of institutional recognition among mid-scale Chinese module makers. Annual production capacity is approximately 3-4 GW, with cumulative global shipments exceeding 20 GW. Talesun was founded in 2010, also in China, and achieved BNEF Tier 1 status in Q1 2025 - a more recent milestone, but one backed by considerably larger manufacturing scale, with annual capacity reported at around 13 GW and cumulative shipments surpassing 36 GW. On the dimension of institutional footprint, Talesun leads by volume, while Phono Solar holds the advantage of a longer and more established bankability track record.

Phono Solar covers a broad power range of roughly 320 W to over 700 W, addressing residential rooftop, commercial and industrial (C&I), and utility-scale ground-mount applications. Its portfolio includes both PERC and N-type TOPCon cell technologies, with bifacial configurations available across multiple series. The company also operates manufacturing facilities outside China - in Vietnam, Cambodia, and Turkey - which may matter for buyers navigating import tariff regimes. Talesun likewise spans a wide power band from around 280 W to 700 W, and has made its BIPRO series - based on N-type TOPCon bifacial dual-glass construction - a flagship product aimed at C&I and utility ground-mount projects where rear-side energy gain adds measurable yield. Both brands supply European distribution channels and have active international logistics networks.

For most international buyers, the two brands occupy essentially the same competitive tier: both carry BNEF Tier 1 status, both offer modern N-type TOPCon technology, and both provide performance warranties of 27-30 years. Phono Solar's longer Tier 1 history gives it a modest edge in project-finance contexts where lenders scrutinize bankability tenure. Talesun's larger production scale could translate to stronger supply consistency and more competitive pricing on bulk procurement. Neither brand is a clear default choice over the other, and in most procurement decisions the determining factors will be local distributor pricing, delivery lead times, and project-specific technical requirements.

Generated by Claude Sonnet · 2026-06-18

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 5 Phono Solar offers · 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.