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ASM vs Seraphim - solar panel manufacturer comparison

ASM
Australia Founded 2009
Read the ASM review
VS
Seraphim
China Founded 2011 Tier 1
Read the Seraphim review
At a glance

Seraphim has the broader catalog (160 vs 1 models). Seraphim leads on peak efficiency at 23.50%. Seraphim leans bifacial (69% 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
1 160
Highest power
170 Wp 730 Wp
Best efficiency
16.0% 23.5%
Average efficiency
16.0% 21.8%
Bifacial share
0% 69%
Average warranty
- 29 yrs
01

The two companies

Company facts, not datasheet figures
ASM

Australian Solar Manufacturing (ASM) is a small Australian solar panel assembler that produces crystalline monocrystalline modules domestically using components sourced from Germany, Japan, the USA, and China. The company focuses on providing locally assembled PV modules tailored to Australian conditions, supporting...

Founded
2009
Headquarters
Hallam, Victoria, Australia
Employees
1-10
Seraphim

Seraphim is a world-class solar products manufacturer specializing in research, development, production, and sales of solar PV products. The company has achieved significant milestones, outpacing competitors in production capacity and innovative designs. Seraphim is committed to technological innovation and...

Founded
2011
Headquarters
Changzhou, China
Annual capacity
13 GW/year
Employees
1001-5000
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric ASM Seraphim
Catalog & Power
Panel Models 1 160+159
Max Power 170 W 730 W+560 W
Avg Power 170 W 549 W+379 W
Efficiency
Max Efficiency 16.00% 23.50%+7.50 pp
Avg Efficiency 16.00% 21.82%+5.82 pp
Reliability & Warranty
Avg Temp Coefficient -0.438%/°C -0.316%/°C+0.122
Bifacial Share 0 (0%) 111 (69%)+69 pp
Avg Warranty - 28.8 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

Seraphim skews to higher efficiency: 12% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Seraphim offers more 600W+ panels (35% of lineup)

ASM cell technology
Share of their models by cell architecture
Seraphim cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (52%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

ASM (Australian Solar Manufacturing) is a small domestic panel assembler headquartered in Australia, the only manufacturer in the country producing crystalline photovoltaic modules from components sourced globally. The company does not appear on the BloombergNEF Tier 1 list and operates at a notably smaller scale than major global players, positioning itself largely on the appeal of locally assembled product. Seraphim (Jiangsu Seraphim Solar System Co., Ltd.) is a Chinese manufacturer founded in 2011 and headquartered in Changzhou, Jiangsu. It achieved BloombergNEF Tier 1 status in 2015 and has held that designation for eleven consecutive years, reflecting consistent bankability with institutional lenders. With a reported production capacity of around 13 GW, Seraphim has a substantially larger manufacturing footprint and a broader presence across global markets including Australia, Europe, and South Africa. On institutional scale alone, Seraphim carries the stronger footprint of the two.

ASM's product range targets the Australian residential and light commercial segment, with monocrystalline modules assembled from imported cell and component stock. Because its production base is domestic and limited, panel variety is narrow compared with global peers. Seraphim offers a wider portfolio spanning residential, commercial, and utility-scale applications. Its Nebula line uses N-type TOPCon cell technology, with published efficiency figures reaching up to 22.5%, and the brand has also released HJT-based products. Seraphim has earned multiple PVEL Top Performer awards for durability and consistency in independent testing. The brand does draw some criticism, however - SolarQuotes Australia removed it from its recommended list in April 2023, citing difficulties customers experienced when handling warranty claims directly.

For most buyers outside Australia, Seraphim is the more practical default: it is bankable, widely distributed, offers proven TOPCon technology, and carries strong independent test credentials. ASM is a niche choice suited to buyers in Australia who place a premium on domestically assembled panels and can accept a more limited product range and lower institutional profile. Buyers considering Seraphim should confirm robust installer-backed warranty support before committing, given the reported claims experience.

Generated by Claude Sonnet · 2026-06-11

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 4 Seraphim 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.