---
title: "ASM vs Sunplus - Brand Comparison | ComparePV"
description: "Compare ASM vs Sunplus solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/asm-vs-sunplus"
---

# ASM vs Sunplus

Sunplus has the broader catalog (11 vs 1 models). Sunplus leads on peak efficiency at 24.10%. Sunplus leans bifacial (100% of lineup).


## The two companies


| Attribute | ASM | Sunplus |
| --- | --- | --- |
| Country | Australia |  |
| Headquarters | Hallam, Victoria |  |
| Founded | 2009 |  |
| Employees | 1-10 |  |
| Annual capacity |  |  |
| Tier 1 | no | no |
| Listed |  |  |
| Website | [https://www.australiansolarmanufacturing.com.au](https://www.australiansolarmanufacturing.com.au) |  |

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...


## Catalog & Power


| Measure | ASM | Sunplus | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 11 | +10 |
| Max Power | 170 W | 750 W | +580 W |
| Avg Power | 170 W | 670 W | +500 W |


## Efficiency


| Measure | ASM | Sunplus | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 24.10% | +8.10 pp |
| Avg Efficiency | 16.00% | 22.42% | +6.42 pp |


## Reliability & Warranty


| Measure | ASM | Sunplus | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.318%/°C | +0.120 |
| Bifacial Share | 0 (0%) | 11 (100%) | +100 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

Sunplus skews to higher efficiency: 55% of lineup is 23%+


| Efficiency band | ASM | Sunplus |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |
| 20-21% | 0 | 3 (27.3%) |
| 21-22% | 0 | 2 (18.2%) |
| 23%+ | 0 | 6 (54.5%) |


## Power distribution

Sunplus offers more 600W+ panels (64% of lineup)


| Power band | ASM | Sunplus |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |
| 500-599W | 0 | 4 (36.4%) |
| 600-699W | 0 | 1 (9.1%) |
| 700W+ | 0 | 6 (54.5%) |


## Cell technology

Dominant cell tech: **HJT** (55%)


| Technology | ASM | Sunplus |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| HJT | 0 | 6 (54.5%) |
| PERC | 0 | 5 (45.5%) |


## Top panels, ASM


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM170M](https://comparepv.com/panel/australian-solar-manufacturing-asm170m) | 170 | 16.0 | -0.438 | Monocrystalline |


## Top panels, Sunplus


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [750](https://comparepv.com/panel/sunplus-750) | 750 | 24.1 | -0.300 | Monocrystalline |
| 2 | [745](https://comparepv.com/panel/sunplus-745) | 745 | 24.0 | -0.300 | Monocrystalline |
| 3 | [740](https://comparepv.com/panel/sunplus-740) | 740 | 23.8 | -0.300 | Monocrystalline |
| 4 | [735](https://comparepv.com/panel/sunplus-735) | 735 | 23.7 | -0.300 | Monocrystalline |
| 5 | [730](https://comparepv.com/panel/sunplus-730) | 730 | 23.5 | -0.300 | Monocrystalline |
| 6 | [725](https://comparepv.com/panel/sunplus-725) | 725 | 23.3 | -0.300 | Monocrystalline |
| 7 | [SR5-60HBD-600M](https://comparepv.com/panel/sunplus-sr5-60hbd-600m) | 600 | 21.2 | -0.340 | Monocrystalline |
| 8 | [SR5-60HBD-595M](https://comparepv.com/panel/sunplus-sr5-60hbd-595m) | 595 | 21.0 | -0.340 | Monocrystalline |
| 9 | [SR5-60HBD-590M](https://comparepv.com/panel/sunplus-sr5-60hbd-590m) | 590 | 20.8 | -0.340 | Monocrystalline |
| 10 | [SR5-60HBD-585M](https://comparepv.com/panel/sunplus-sr5-60hbd-585m) | 585 | 20.7 | -0.340 | Monocrystalline |


## Summary

ASM does not appear in major industry databases, PV-tech reporting, or BloombergNEF tier lists based on the searches conducted. It may be a very small regional brand or a trade name used in limited markets. Without verifiable sourcing, no specific figures or market-position claims can be made about it. Sunplus, by contrast, appears under the entity Sunplus Optimum Inc., a US-registered company with manufacturing bases in the Americas, Europe, and Asia. The company states a global production capacity of 6.5 GW across those sites, though this figure comes from its own marketing materials rather than an independently audited report. Sunplus markets itself as operating under Bloomberg Tier 1 guidelines, meaning it targets bankability standards required by project finance lenders, but independent confirmation of a current BloombergNEF listing was not found in open search results. On institutional footprint, Sunplus Optimum has a traceable public profile with distribution warehouses in California, New Jersey, and Texas, giving it a materially stronger documented presence than ASM.

Sunplus Optimum's publicly listed product range spans panels built on TOPCon, HJT, and shingled cell architectures, using both 182 mm and 210 mm large-format cells. The lineup includes bifacial dual-glass modules and all-black monofacial variants, positioning the brand across premium residential rooftops, mid-scale commercial installations, and light utility ground mounts. Panels carry UL listing and California Energy Commission approval, making them eligible for projects in the US regulatory environment. Because ASM's product catalog, cell technology, and certifications could not be confirmed through any credible third-party source, a direct technology comparison is not possible without risking fabricated detail.

For a typical buyer in 2025, Sunplus Optimum is the verifiable choice between the two - it has documented certifications, a distribution footprint, and confirmed use of current N-type cell technology. ASM, as researched, lacks the public record needed to assess warranty standing, bankability, or long-term service reliability. Unless a buyer has direct local experience with ASM through an established installer, Sunplus Optimum carries less procurement risk by default.

\---LINKS---

\- https://www.enfsolar.com/sunplus-1 \| Sunplus Optimum Inc. - Solar Panels - ENF Solar Directory \| article

\- https://a1solarstore.com/solar-panels/sunplus-solar-panels.html \| Sunplus Solar Panels for Sale - A1 SolarStore \| review

\- https://www.productreview.com.au/listings/sunplus-solar \| SunPlus Solar user reviews - ProductReview.com.au \| review

\- https://www.vicoexport.com/en/65510/tier-1-list-of-solar-panel-manufacturers-q1-2026/ \| Tier 1 List of Solar Panel Manufacturers Q1 2026 - Vicoexport \| article

Sources:

\- \[Sunplus Optimum Inc. - Solar Panels - ENF Solar Directory\](https://www.enfsolar.com/sunplus-1)

\- \[Sunplus Solar Panels for Sale - A1 SolarStore\](https://a1solarstore.com/solar-panels/sunplus-solar-panels.html)

\- \[SunPlus Solar user reviews - ProductReview.com.au\](https://www.productreview.com.au/listings/sunplus-solar)

\- \[Tier 1 List of Solar Panel Manufacturers Q1 2026 - Vicoexport\](https://www.vicoexport.com/en/65510/tier-1-list-of-solar-panel-manufacturers-q1-2026/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy)
- [AE Solar vs Sunplus](https://comparepv.com/ae-solar-vs-sunplus)
- [ASM vs AEET](https://comparepv.com/asm-vs-aeet)
- [AIKO vs Sunplus](https://comparepv.com/aiko-vs-sunplus)
- [ASM vs AKCOME](https://comparepv.com/asm-vs-akcome)
- [ARTsolar vs Sunplus](https://comparepv.com/artsolar-vs-sunplus)


---

Source: https://comparepv.com/asm-vs-sunplus

Not in this file, on the page: the distributions above drawn as charts.

