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ASM vs Kingdom - solar panel manufacturer comparison

ASM
Australia Founded 2009
Read the ASM review
VS
Kingdom
China Founded 2010
Read the Kingdom review
At a glance

Kingdom has the broader catalog (3 vs 1 models). Kingdom leads on peak efficiency at 22.80%.

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
1 3
Highest power
170 Wp 590 Wp
Best efficiency
16.0% 22.8%
Average efficiency
16.0% 22.5%
Bifacial share
0% 0%
Average warranty
- 30 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
Kingdom

Kingdom Solar (also known as KDM Kingdom Solar) is a Chinese solar module manufacturer based in Hefei, Anhui Province. The company produces monocrystalline solar panels for residential and commercial applications.

Founded
2010
Headquarters
Hefei, China
Annual capacity
1 GW/year
Employees
100
02

Catalogue against catalogue

Averages over every model in the database
Metric ASM Kingdom
Catalog & Power
Panel Models 1 3+2
Max Power 170 W 590 W+420 W
Avg Power 170 W 533 W+363 W
Efficiency
Max Efficiency 16.00% 22.80%+6.80 pp
Avg Efficiency 16.00% 22.46%+6.46 pp
Reliability & Warranty
Avg Temp Coefficient -0.438%/°C -0.290%/°C+0.148
Bifacial Share 0 (0%) 0 (0%)
Avg Warranty - 30.0 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
Power spread
Share of each catalogue in every power band
ASM cell technology
Share of their models by cell architecture
Kingdom cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (100%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

ASM (Australian Solar Manufacturing) is a micro-scale assembler founded in 2009 and headquartered in Victoria, Australia, with a reported headcount of just one to ten people and no disclosed production capacity. Kingdom Solar is a Chinese manufacturer founded in 2010, employing around 100 people, with a stated production capacity of 1 GW. Neither company holds Tier 1 bankable status on the BloombergNEF list, meaning project finance lenders would typically require additional due diligence before accepting modules from either brand on a financed installation. Between the two, Kingdom Solar carries the stronger institutional footprint by a clear margin: it has verifiable manufacturing scale and a documented product line, whereas ASM's current product portfolio shows no listed panels and no published watt-peak ratings in available databases.

Kingdom Solar's sole documented panel delivers 440 Wp at 22.5% module efficiency, using 100% N-type cell technology and carrying a 30-year warranty - a notably long coverage period that signals some confidence in long-run degradation performance. The temperature coefficient of -0.29% per degree Celsius is competitive, sitting comfortably above the -0.34% to -0.40% range common in older PERC products. All panels in the lineup are monofacial, so there is no bifacial option for buyers seeking rear-side yield gains on reflective ground surfaces. At 440 Wp with N-type cells, the range is best suited to space-constrained residential rooftops or small commercial installations where high efficiency matters more than raw cost per watt. ASM, by contrast, has no comparable published specifications to evaluate; historically the company assembled modules with efficiencies around 15 to 16%, well below current market standards.

For a typical buyer in 2025, Kingdom Solar is the more evaluable choice of the two, provided independent verification of warranty backstop and supply continuity is obtained. ASM's near-absent public product record makes it impossible to recommend for any installation requiring standard bankability or performance documentation. Buyers seriously considering either brand should treat them as Tier 2 or Tier 3 options and request third-party test reports before committing.

Generated by Claude Sonnet · 2026-05-11

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 2 Kingdom 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.