--- title: "ASM vs G-STAR - Brand Comparison | ComparePV" description: "Compare ASM vs G-STAR solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/asm-vs-g-star" --- # ASM vs G-STAR G-STAR has the broader catalog (36 vs 1 models). G-STAR leads on peak efficiency at 23.51%. G-STAR leans bifacial (86% of lineup). ## The two companies | Attribute | ASM | G-STAR | | --- | --- | --- | | 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 | G-STAR | Margin | | --- | --- | --- | --- | | Panel Models | 1 | 36 | +35 | | Max Power | 170 W | 725 W | +555 W | | Avg Power | 170 W | 562 W | +392 W | ## Efficiency | Measure | ASM | G-STAR | Margin | | --- | --- | --- | --- | | Max Efficiency | 16.00% | 23.51% | +7.51 pp | | Avg Efficiency | 16.00% | 22.41% | +6.41 pp | ## Reliability & Warranty | Measure | ASM | G-STAR | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.438%/°C | -0.307%/°C | +0.131 | | Bifacial Share | 0 (0%) | 31 (86%) | +86 pp | | Avg Warranty | - | 30.0 yrs | | ## Efficiency distribution G-STAR skews to higher efficiency: 28% of lineup is 23%+ | Efficiency band | ASM | G-STAR | | --- | --- | --- | | \<20% | 1 (100.0%) | 0 | | 20-21% | 0 | 3 (8.3%) | | 21-22% | 0 | 5 (13.9%) | | 22-23% | 0 | 18 (50.0%) | | 23%+ | 0 | 10 (27.8%) | ## Power distribution G-STAR offers more 600W+ panels (36% of lineup) | Power band | ASM | G-STAR | | --- | --- | --- | | \<400W | 1 (100.0%) | 0 | | 400-499W | 0 | 11 (30.6%) | | 500-599W | 0 | 12 (33.3%) | | 600-699W | 0 | 7 (19.4%) | | 700W+ | 0 | 6 (16.7%) | ## Cell technology Dominant cell tech: **TOPCon** (72%) | Technology | ASM | G-STAR | | --- | --- | --- | | Unknown | 1 (100.0%) | 0 | | TOPCon | 0 | 26 (72.2%) | | N-type | 0 | 5 (13.9%) | | PERC | 0 | 5 (13.9%) | ## 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, G-STAR | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [GSD8K66T-725WT](https://comparepv.com/panel/g-star-gsd8k66t-725wt) | 725 | 23.3 | -0.300 | Monocrystalline | | 2 | [GSD8K66T-720WT](https://comparepv.com/panel/g-star-gsd8k66t-720wt) | 720 | 23.2 | -0.300 | Monocrystalline | | 3 | [GSD8K66T-715WT](https://comparepv.com/panel/g-star-gsd8k66t-715wt) | 715 | 23.0 | -0.300 | Monocrystalline | | 4 | [GSD8K66T-710WT](https://comparepv.com/panel/g-star-gsd8k66t-710wt) | 710 | 22.9 | -0.300 | Monocrystalline | | 5 | [GSD8K66T-705WT](https://comparepv.com/panel/g-star-gsd8k66t-705wt) | 705 | 22.7 | -0.300 | Monocrystalline | | 6 | [GSD8K66T-700WT](https://comparepv.com/panel/g-star-gsd8k66t-700wt) | 700 | 22.5 | -0.300 | Monocrystalline | | 7 | [GSD8R66T-635WT](https://comparepv.com/panel/g-star-gsd8r66t-635wt) | 635 | 23.5 | -0.300 | Monocrystalline | | 8 | [GSD8R66T-630WT](https://comparepv.com/panel/g-star-gsd8r66t-630wt) | 630 | 23.3 | -0.300 | Monocrystalline | | 9 | [GSD8R66T-625WT](https://comparepv.com/panel/g-star-gsd8r66t-625wt) | 625 | 23.1 | -0.300 | Monocrystalline | | 10 | [GSD8R66T-620WT](https://comparepv.com/panel/g-star-gsd8r66t-620wt) | 620 | 22.9 | -0.300 | Monocrystalline | ## Summary ASM, trading as Australian Solar Manufacturing Pty Ltd, is a small-scale Australian panel maker and is generally described as the only domestic solar module manufacturer in Australia. Its founding history and annual production volume are not well documented in public sources, and the brand does not appear on BloombergNEF Tier 1 bankability lists, placing it firmly in a niche, locally-oriented segment rather than the international utility market. G-STAR Pte. Ltd., by contrast, is a Singapore-headquartered company founded in 2019 with a rapidly expanding manufacturing footprint: as of mid-2025 it operates a 1.5 GW solar cell and 1 GW module factory in Subic Bay in the Philippines, a 3 GW wafer facility in Indonesia, and additional capacity announced in Thailand and the UAE. G-STAR has not been confirmed on BNEF Tier 1 lists in available public sources, but its multi-GW scale and project financing across multiple markets give it a considerably stronger institutional profile than ASM. ASM's product line, based on its ENF Solar directory listing, is centered on monocrystalline modules in lower wattage ranges associated with residential and small commercial rooftops, particularly in the Australian market where locally manufactured content carries regulatory and reputational appeal. G-STAR offers a broader technology portfolio spanning PERC, TOPCon, and HJT cells in both monofacial and bifacial configurations, with module outputs from roughly 360 W to above 700 W. That range makes it suitable for residential, commercial, and utility-scale ground-mount projects. G-STAR backs its modules with a 25-year product warranty and a 30-year linear power warranty with a stated annual degradation of 0.40%, and holds ETL, TÜV, and California CEC certifications. For buyers outside Australia who need globally bankable panels at meaningful project scale, G-STAR is the more practical default in 2025 - it has verifiable multi-GW capacity, certified products, and an international distribution network. ASM retains a specific appeal for Australian buyers who prioritize domestic origin or local supply chains, but prospective customers should independently verify its current product range and warranty terms before committing. \---LINKS--- \- https://www.pv-magazine.com/2025/05/14/gstar-launches-solar-cell-module-production-in-the-philippines/ \| Gstar launches solar cell and module production in the Philippines \| article \- https://www.pv-tech.org/gstar-solar-begins-production-at-1-5-1gw-solar-cell-and-module-plant-in-the-philippines/ \| Gstar Solar begins production at 1.5/1GW plant in the Philippines \| article \- https://www.enfsolar.com/g-star \| G-STAR Pte. Ltd. solar panels profile - ENF Solar \| article \- https://www.enfsolar.com/asm \| Australian Solar Manufacturing Pty Ltd profile - ENF Solar \| article \- https://www.australiansolarmanufacturing.com.au/ \| Australian Solar Manufacturing - about the company \| article Sources: \- \[Gstar launches solar cell, module production in the Philippines - pv magazine\](https://www.pv-magazine.com/2025/05/14/gstar-launches-solar-cell-module-production-in-the-philippines/) \- \[Gstar Solar begins production at 1.5/1GW solar cell and module plant - PV Tech\](https://www.pv-tech.org/gstar-solar-begins-production-at-1-5-1gw-solar-cell-and-module-plant-in-the-philippines/) \- \[G-STAR Pte. Ltd. - ENF Solar\](https://www.enfsolar.com/g-star) \- \[Australian Solar Manufacturing Pty Ltd - ENF Solar\](https://www.enfsolar.com/asm) \- \[Australian Solar Manufacturing\](https://www.australiansolarmanufacturing.com.au/) 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 G-STAR](https://comparepv.com/ae-solar-vs-g-star) - [ASM vs AEET](https://comparepv.com/asm-vs-aeet) - [AIKO vs G-STAR](https://comparepv.com/aiko-vs-g-star) - [ASM vs AKCOME](https://comparepv.com/asm-vs-akcome) - [ARTsolar vs G-STAR](https://comparepv.com/artsolar-vs-g-star) --- Source: https://comparepv.com/asm-vs-g-star Not in this file, on the page: the distributions above drawn as charts.