--- title: "ASM vs Suntech - Brand Comparison | ComparePV" description: "Compare ASM vs Suntech solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/asm-vs-suntech" --- # ASM vs Suntech Suntech has the broader catalog (255 vs 1 models). Suntech leads on peak efficiency at 24.80%. Suntech leans bifacial (45% of lineup). ## The two companies | Attribute | ASM | Suntech | | --- | --- | --- | | Country | Australia | China | | Headquarters | Hallam, Victoria | Wuxi | | Founded | 2009 | 2001 | | Employees | 1-10 | | | Annual capacity | | | | Tier 1 | no | yes | | Listed | | | | Website | [https://www.australiansolarmanufacturing.com.au](https://www.australiansolarmanufacturing.com.au) | [https://www.suntech-power.com](https://www.suntech-power.com) | 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 | Suntech | Margin | | --- | --- | --- | --- | | Panel Models | 1 | 255 | +254 | | Max Power | 170 W | 735 W | +565 W | | Avg Power | 170 W | 505 W | +335 W | ## Efficiency | Measure | ASM | Suntech | Margin | | --- | --- | --- | --- | | Max Efficiency | 16.00% | 24.80% | +8.80 pp | | Avg Efficiency | 16.00% | 21.76% | +5.76 pp | ## Reliability & Warranty | Measure | ASM | Suntech | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.438%/°C | -0.316%/°C | +0.122 | | Bifacial Share | 0 (0%) | 114 (45%) | +45 pp | | Avg Warranty | - | 28.4 yrs | | ## Efficiency distribution Suntech skews to higher efficiency: 19% of lineup is 23%+ | Efficiency band | ASM | Suntech | | --- | --- | --- | | \<20% | 1 (100.0%) | 11 (4.3%) | | 20-21% | 0 | 61 (23.9%) | | 21-22% | 0 | 64 (25.1%) | | 22-23% | 0 | 70 (27.5%) | | 23%+ | 0 | 49 (19.2%) | ## Power distribution Suntech offers more 600W+ panels (20% of lineup) | Power band | ASM | Suntech | | --- | --- | --- | | \<400W | 1 (100.0%) | 32 (12.5%) | | 400-499W | 0 | 104 (40.8%) | | 500-599W | 0 | 69 (27.1%) | | 600-699W | 0 | 42 (16.5%) | | 700W+ | 0 | 8 (3.1%) | ## Cell technology Dominant cell tech: **TOPCon** (71%) | Technology | ASM | Suntech | | --- | --- | --- | | Unknown | 1 (100.0%) | 65 (25.5%) | | TOPCon | 0 | 180 (70.6%) | | PERC | 0 | 5 (2.0%) | | N-type | 0 | 5 (2.0%) | ## 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, Suntech | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [STP735S-D66-Nsh+](https://comparepv.com/panel/suntech-stp735s-d66-nsh) | 735 | 23.7 | -0.280 | Monocrystalline | | 2 | [STP730S-D66-Nsh+](https://comparepv.com/panel/suntech-stp730s-d66-nsh) | 730 | 23.5 | -0.280 | Monocrystalline | | 3 | [STP725S-D66-Nsh+](https://comparepv.com/panel/suntech-stp725s-d66-nsh) | 725 | 23.3 | -0.280 | Monocrystalline | | 4 | [STP720S-D66-Nsh+](https://comparepv.com/panel/suntech-stp720s-d66-nsh) | 720 | 23.2 | -0.280 | Monocrystalline | | 5 | [STP715S-D66-Nsh+](https://comparepv.com/panel/suntech-stp715s-d66-nsh) | 715 | 23.0 | -0.280 | Monocrystalline | | 6 | [STP710S-D66-Nsh+](https://comparepv.com/panel/suntech-stp710s-d66-nsh) | 710 | 22.9 | -0.290 | Monocrystalline | | 7 | [STP705S-D66-Nsh+](https://comparepv.com/panel/suntech-stp705s-d66-nsh) | 705 | 22.7 | -0.290 | Monocrystalline | | 8 | [STP700S-D66-Nsh+](https://comparepv.com/panel/suntech-stp700s-d66-nsh) | 700 | 22.5 | -0.290 | Monocrystalline | | 9 | [STP675S-D66/Wmh](https://comparepv.com/panel/suntech-stp675s-d66-wmh) | 675 | 21.7 | -0.340 | Monocrystalline | | 10 | [STP670S-D66/Wmh](https://comparepv.com/panel/suntech-stp670s-d66-wmh) | 670 | 21.6 | -0.340 | Monocrystalline | ## Summary ASM, formally Australian Solar Manufacturing Pty Ltd, was established in 2009 and is headquartered in Victoria, Australia. The company assembles monocrystalline solar panels domestically using imported photovoltaic cells, and its operations remain comparatively small, serving primarily the Australian residential and light commercial market. No Tier 1 or BNEF bankability designation has been confirmed for ASM in available industry sources. Suntech, formally Wuxi Suntech Power Co., Ltd., was founded in 2001 in Wuxi, Jiangsu, China, by Dr. Shi Zhengrong, and was among the first Chinese manufacturers to achieve global scale. Suntech holds a confirmed Tier 1 BNEF bankability status and ranked among the top ten bankable module brands in BNEF's bankability reporting. With a production expansion of 3.5 GW added at its Changzhou facility and total annual capacity reported at over 2.5 GW, Suntech carries a substantially larger institutional footprint than ASM. In terms of product offerings, ASM's catalog centers on monocrystalline modules in the 170 W to 200 W power range with module efficiencies around 15 to 16 percent, which reflects older cell architecture and sits well below current industry norms. That range suits small residential rooftop installations in Australia where locally assembled product is a specific buyer priority. Suntech, by contrast, has shifted its flagship lineup to N-type TOPCon technology through its Ultra V Pro series, with module efficiencies confirmed in the 22 to 22.8 percent range. The company targets residential rooftops, commercial installations, and utility-scale ground-mount projects globally, with a product portfolio broad enough to cover most project types. For a typical buyer in 2025, Suntech is the stronger default choice. It offers modern cell technology, a confirmed Tier 1 standing that underpins long-term warranty confidence, and a global service network that ASM cannot match at its current scale. ASM may hold niche appeal for buyers with a strict preference for Australian-assembled product, but outside that context, Suntech's combination of bankability, efficiency, and broad availability positions it clearly ahead. \---LINKS--- \- https://8msolar.com/suntech-solar-panels-review/ \| Suntech Solar Panels Review 2025 - 8MSolar \| review \- https://www.solarreviews.com/manufacturers/suntech-power \| Suntech Power solar panels review - SolarReviews \| review \- https://www.pv-magazine-australia.com/press-releases/suntech-expands-its-high-efficiency-module-production-capacity-by-3-5-gw-in-changzhou/ \| Suntech expands high-efficiency module capacity by 3.5 GW - PV Magazine \| article \- https://www.enfsolar.com/asm \| Australian Solar Manufacturing Pty Ltd panel database - ENF Solar \| article \- https://a1solarstore.com/blog/suntech-solar-panels-review-once-the-brightest-star.html \| Suntech solar panels review 2026 - A1 SolarStore \| review Sources: \- \[Suntech Solar Panels Review (2025) - 8MSolar\](https://8msolar.com/suntech-solar-panels-review/) \- \[Suntech Power solar panels review - SolarReviews\](https://www.solarreviews.com/manufacturers/suntech-power) \- \[Suntech expands high-efficiency module capacity by 3.5 GW - PV Magazine Australia\](https://www.pv-magazine-australia.com/press-releases/suntech-expands-its-high-efficiency-module-production-capacity-by-3-5-gw-in-changzhou/) \- \[Australian Solar Manufacturing Pty Ltd - ENF Solar\](https://www.enfsolar.com/asm) \- \[Suntech solar panels review 2026 - A1 SolarStore\](https://a1solarstore.com/blog/suntech-solar-panels-review-once-the-brightest-star.html) 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 Suntech](https://comparepv.com/ae-solar-vs-suntech) - [ASM vs AEET](https://comparepv.com/asm-vs-aeet) - [AIKO vs Suntech](https://comparepv.com/aiko-vs-suntech) - [ASM vs AKCOME](https://comparepv.com/asm-vs-akcome) - [ARTsolar vs Suntech](https://comparepv.com/artsolar-vs-suntech) --- Source: https://comparepv.com/asm-vs-suntech Not in this file, on the page: the distributions above drawn as charts.