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

# ASM vs Vespa Solar Enerji

Vespa Solar Enerji has the broader catalog (9 vs 1 models). Vespa Solar Enerji leads on peak efficiency at 23.32%. Vespa Solar Enerji leans bifacial (100% of lineup).


## The two companies


| Attribute | ASM | Vespa Solar Enerji |
| --- | --- | --- |
| Country | Australia | Turkey |
| 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 | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 9 | +8 |
| Max Power | 170 W | 630 W | +460 W |
| Avg Power | 170 W | 514 W | +344 W |


## Efficiency


| Measure | ASM | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.32% | +7.32 pp |
| Avg Efficiency | 16.00% | 21.31% | +5.31 pp |


## Reliability & Warranty


| Measure | ASM | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.334%/°C | +0.104 |
| Bifacial Share | 0 (0%) | 9 (100%) | +100 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

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


| Efficiency band | ASM | Vespa Solar Enerji |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |
| 20-21% | 0 | 3 (33.3%) |
| 21-22% | 0 | 5 (55.6%) |
| 23%+ | 0 | 1 (11.1%) |


## Power distribution

Vespa Solar Enerji offers more 600W+ panels (11% of lineup)


| Power band | ASM | Vespa Solar Enerji |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |
| 400-499W | 0 | 4 (44.4%) |
| 500-599W | 0 | 4 (44.4%) |
| 600-699W | 0 | 1 (11.1%) |


## Cell technology

Dominant cell tech: **PERC** (89%)


| Technology | ASM | Vespa Solar Enerji |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| PERC | 0 | 8 (88.9%) |
| TOPCon | 0 | 1 (11.1%) |


## 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, Vespa Solar Enerji


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [VSP630DM-G12RT-132H](https://comparepv.com/panel/vespa-solar-enerji-vsp630dm-g12rt-132h) | 630 | 23.3 | -0.290 | Monocrystalline |
| 2 | [VSP555T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp555t-m10-144h) | 555 | 21.5 | -0.340 | Monocrystalline |
| 3 | [VSP550T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp550t-m10-144h) | 550 | 21.3 | -0.340 | Monocrystalline |
| 4 | [VSP545T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp545t-m10-144h) | 545 | 21.1 | -0.340 | Monocrystalline |
| 5 | [VSP540T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp540t-m10-144h) | 540 | 20.9 | -0.340 | Monocrystalline |
| 6 | [VSP460T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp460t-m10-120h) | 460 | 21.2 | -0.340 | Monocrystalline |
| 7 | [VSP455T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp455t-m10-120h) | 455 | 21.0 | -0.340 | Monocrystalline |
| 8 | [VSP450T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp450t-m10-120h) | 450 | 20.8 | -0.340 | Monocrystalline |
| 9 | [VSP445T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp445t-m10-120h) | 445 | 20.6 | -0.340 | Monocrystalline |


## Summary

ASM, trading as Australian Solar Manufacturing, is a Victoria-based assembler founded in 2009. It does not manufacture photovoltaic cells; instead it sources components from Germany, Japan, the United States, and China and assembles them domestically - a positioning that has historically appealed to buyers with a strict Australian-made preference. ASM does not appear on any BloombergNEF Tier 1 bankability list, and its public institutional footprint is very limited. Vespa Solar Enerji, registered as Vespa Enerji San. Tic. A.S., is a Turkish manufacturer established in 2022. It is a newer entrant with an active listing in the ENF Solar directory and produces crystalline modules under the VSP-T brand name, though no Tier 1 or BNEF bankability classification was confirmed in available sources either. Neither company operates at the multi-gigawatt scale of mainstream global suppliers, but Vespa Solar Enerji's more recent founding reflects the rapid build-out of Turkey's module manufacturing base.

On the product side, the contrast is stark. ASM's catalogued modules top out in the 170 Wp to 200 Wp range, specifications that are well below the 400-500 Wp+ threshold now standard on any modern rooftop or commercial project. That wattage band is relevant only for legacy or very small off-grid setups. Vespa Solar Enerji's VSP-T series spans 445 Wp to 555 Wp and uses PERC and bifacial cell technology, making it compatible with current residential, commercial, and light utility-scale installations.

For a typical 2025 buyer evaluating these two specifically, Vespa Solar Enerji is the more practical choice simply because its panel specifications align with modern system design requirements. That said, neither brand carries the independent performance history, warranty track record, or bankability documentation that most project financiers or experienced installers expect, so buyers with flexibility should compare both against established Tier 1 suppliers before committing.

\---LINKS---

\- https://www.enfsolar.com/asm \| Australian Solar Manufacturing profile - ENF Solar directory \| article

\- https://www.australiansolarmanufacturing.com.au/main/page\_about\_us.html \| ASM About Us - Australian Solar Manufacturing \| article

\- https://www.enfsolar.com/vespa-solar-enerji \| Vespa Solar Enerji profile - ENF Solar directory \| article

\- https://www.enfsolar.com/pv/panel-datasheet/crystalline/63256 \| Vespa Solar Enerji VSP-T 545-555W panel datasheet \| article

Sources:

\- \[Australian Solar Manufacturing profile - ENF Solar\](https://www.enfsolar.com/asm)

\- \[ASM About Us - Australian Solar Manufacturing\](https://www.australiansolarmanufacturing.com.au/main/page\_about\_us.html)

\- \[Vespa Solar Enerji profile - ENF Solar\](https://www.enfsolar.com/vespa-solar-enerji)

\- \[Vespa Solar Enerji VSP-T 545-555W datasheet - ENF Solar\](https://www.enfsolar.com/pv/panel-datasheet/crystalline/63256)

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/asm-vs-vespa-solar-enerji

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