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ASM vs Phono Solar - solar panel manufacturer comparison

ASM
Australia Founded 2009
Read the ASM review
VS
Phono Solar
China Founded 2004 Tier 1
Read the Phono Solar review
At a glance

Phono Solar has the broader catalog (174 vs 1 models). Phono Solar leads on peak efficiency at 23.50%. Phono Solar leans bifacial (43% 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
1 174
Highest power
170 Wp 730 Wp
Best efficiency
16.0% 23.5%
Average efficiency
16.0% 21.8%
Bifacial share
0% 43%
Average warranty
- 27 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
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
02

Catalogue against catalogue

Averages over every model in the database
Metric ASM Phono Solar
Catalog & Power
Panel Models 1 174+173
Max Power 170 W 730 W+560 W
Avg Power 170 W 515 W+345 W
Efficiency
Max Efficiency 16.00% 23.50%+7.50 pp
Avg Efficiency 16.00% 21.77%+5.77 pp
Reliability & Warranty
Avg Temp Coefficient -0.438%/°C -0.306%/°C+0.132
Bifacial Share 0 (0%) 74 (43%)+43 pp
Avg Warranty - 27.1 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

Phono Solar skews to higher efficiency: 11% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Phono Solar offers more 600W+ panels (20% of lineup)

ASM cell technology
Share of their models by cell architecture
Phono Solar cell technology
Share of their models by cell architecture

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

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

ASM, short for Australian Solar Manufacturing Pty Ltd, is a small, exclusively Australian-owned company founded in 2009 and based in Victoria, Australia. Rather than fabricating photovoltaic cells from scratch, ASM assembles modules from imported components sourced from Germany, Japan, the United States, and China, targeting the domestic Australian market with a modest product lineup in the sub-250 W range. No credible public source lists ASM on the Bloomberg NEF Tier 1 bankability register, and no large-scale GW production figures have been reported for the company. Phono Solar Technology Co., Ltd., by contrast, is a Nanjing, China-based manufacturer founded in 2008 as a business unit of the Sumec Group, itself a subsidiary of the state-owned Sinomach conglomerate. Phono Solar has held continuous Bloomberg NEF Tier 1 status since 2014 and was named a Top Performer in Kiwa PVEL's 2025 PV Module Reliability Scorecard, establishing a far stronger institutional footprint than ASM.

ASM's product range, historically centred on lower-wattage monocrystalline modules assembled for the residential and small commercial segments, has not attracted wide third-party review coverage, and no confirmed information about its current cell technology generation is available from search results. Phono Solar offers a broader portfolio spanning residential rooftops through to commercial and light utility applications, with efficiency ratings documented by reviewers in the 20 to 22.6 percent range. The company confirmed its entry into TOPCon cell technology as early as 2022, and its Helios series has drawn particular attention for low temperature coefficients and above-average hail resistance in independent assessments.

For most buyers outside of Australia seeking a reliable, bankable, and well-documented solar module in 2025, Phono Solar is the stronger default choice, offering verified Tier 1 credentialing, independent reliability recognition, and a wider product range backed by published specifications. ASM may appeal to buyers with a strict preference for Australian-assembled goods and local supply-chain proximity, but the two brands are not interchangeable in terms of scale, bankability, or available third-party validation.

Generated by Claude Sonnet · 2026-05-23

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

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.