--- title: "Sunova vs Suntech - Brand Comparison | ComparePV" description: "Compare Sunova vs Suntech solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/sunova-vs-suntech" --- # Sunova vs Suntech Suntech has the broader catalog (255 vs 183 models). Suntech leads on peak efficiency at 24.80%. Sunova leans bifacial (92% of lineup). ## The two companies | Attribute | Sunova | Suntech | | --- | --- | --- | | Country | China | China | | Headquarters | Hefei | Wuxi | | Founded | 2008 | 2001 | | Employees | | | | Annual capacity | | | | Tier 1 | no | yes | | Listed | | | | Website | [https://www.sunovasolar.com](https://www.sunovasolar.com) | [https://www.suntech-power.com](https://www.suntech-power.com) | ## Catalog & Power | Measure | Sunova | Suntech | Margin | | --- | --- | --- | --- | | Panel Models | 183 | 255 | +72 | | Max Power | 720 W | 735 W | +15 W | | Avg Power | 523 W | 505 W | +18 W | ## Efficiency | Measure | Sunova | Suntech | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.20% | 24.80% | +1.60 pp | | Avg Efficiency | 21.60% | 21.76% | +0.16 pp | ## Reliability & Warranty | Measure | Sunova | Suntech | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.317%/°C | -0.316%/°C | +0.001 | | Bifacial Share | 168 (92%) | 114 (45%) | +47 pp | | Avg Warranty | 28.4 yrs | 28.4 yrs | +0.0 yr | ## Efficiency distribution Suntech skews to higher efficiency: 19% of lineup is 23%+ | Efficiency band | Sunova | Suntech | | --- | --- | --- | | 20-21% | 46 (25.1%) | 61 (23.9%) | | 21-22% | 70 (38.3%) | 64 (25.1%) | | 22-23% | 57 (31.1%) | 70 (27.5%) | | 23%+ | 10 (5.5%) | 49 (19.2%) | | \<20% | 0 | 11 (4.3%) | ## Power distribution Sunova offers more 600W+ panels (22% of lineup) | Power band | Sunova | Suntech | | --- | --- | --- | | 400-499W | 84 (45.9%) | 104 (40.8%) | | 500-599W | 58 (31.7%) | 69 (27.1%) | | 600-699W | 31 (16.9%) | 42 (16.5%) | | 700W+ | 10 (5.5%) | 8 (3.1%) | | \<400W | 0 | 32 (12.5%) | ## Cell technology Dominant cell tech: **PERC** (49%) Dominant cell tech: **TOPCon** (71%) | Technology | Sunova | Suntech | | --- | --- | --- | | PERC | 89 (48.6%) | 5 (2.0%) | | N-type | 72 (39.3%) | 5 (2.0%) | | TOPCon | 12 (6.6%) | 180 (70.6%) | | Unknown | 10 (5.5%) | 65 (25.5%) | ## Top panels, Sunova | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [TS-BGT66(720)-G12](https://comparepv.com/panel/sunova-ts-bgt66-720-g12) | 720 | 23.2 | -0.300 | Monocrystalline | | 2 | [TS-BWT66(720)-G12](https://comparepv.com/panel/sunova-ts-bwt66-720-g12) | 720 | 23.2 | -0.290 | Monocrystalline | | 3 | [TS-BGT66(715)-G12](https://comparepv.com/panel/sunova-ts-bgt66-715-g12) | 715 | 23.0 | -0.300 | Monocrystalline | | 4 | [TS-BWT66(715)-G12](https://comparepv.com/panel/sunova-ts-bwt66-715-g12) | 715 | 23.0 | -0.290 | Monocrystalline | | 5 | [TS-BGT66(710)-G12](https://comparepv.com/panel/sunova-ts-bgt66-710-g12) | 710 | 22.9 | -0.300 | Monocrystalline | | 6 | [TS-BWT66(710)-G12](https://comparepv.com/panel/sunova-ts-bwt66-710-g12) | 710 | 22.9 | -0.290 | Monocrystalline | | 7 | [TS-BGT66(705)-G12](https://comparepv.com/panel/sunova-ts-bgt66-705-g12) | 705 | 22.7 | -0.300 | Monocrystalline | | 8 | [TS-BWT66(705)-G12](https://comparepv.com/panel/sunova-ts-bwt66-705-g12) | 705 | 22.7 | -0.290 | Monocrystalline | | 9 | [TS-BGT66(700)-G12](https://comparepv.com/panel/sunova-ts-bgt66-700-g12) | 700 | 22.5 | -0.300 | Monocrystalline | | 10 | [TS-BWT66(700)-G12](https://comparepv.com/panel/sunova-ts-bwt66-700-g12) | 700 | 22.5 | -0.290 | 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 Suntech is a Chinese solar manufacturer founded in 2001 by Dr. Zhengrong Shi in Wuxi, Jiangsu province, making it one of the longest-established names in the global photovoltaic industry. After financial restructuring in the early 2010s, the company rebuilt under the name Wuxi Suntech Power Co., Ltd. and re-established itself as a BNEF Tier 1 manufacturer. With cumulative global shipments exceeding 55 GW across more than 100 countries and manufacturing operations extending to Germany and Japan, Suntech ranks among the most widely deployed module brands in history. Its current annual production capacity stands at approximately 2.4 GW. Sunova Solar, founded in 2016, is a considerably younger Chinese manufacturer with factories in both China and Vietnam. It holds BNEF Tier 1 status and is scaling aggressively, with 5.5 GW of module production capacity already in operation, a further 4.5 GW under construction, and a 9 GW cell factory commissioned in Yibin, Sichuan in early 2024. Sunova's cumulative shipments reached 4.3 GW by end-2023 - a fraction of Suntech's totals - giving Suntech the considerably stronger institutional footprint internationally. Suntech's current portfolio centers on its Ultra V Pro and Ultra X Pro series, built around n-type TOPCon cell technology with peak module efficiency reaching 23.2 percent. Its power range spans from 395 W to 720 W, covering residential rooftop systems, commercial and industrial buildings, and utility-scale ground-mount projects; the company also produces all-black modules for the premium residential segment. Sunova takes a dual-technology approach, offering both n-type TOPCon bifacial dual-glass panels in the 585 W to 605 W bracket and an HJT bifacial line rated up to 480 W - making it one of the few mid-scale brands to commercialize HJT alongside TOPCon at meaningful volume. For most international buyers, Suntech is the lower-risk default: two decades of operating history, over 55 GW of deployed capacity worldwide, and broad installer familiarity all support confidence in long-term warranty performance. Sunova is a credible alternative well suited to buyers who specifically want access to HJT technology or who value a supplier with a modern, rapidly expanding production base. Both carry BNEF Tier 1 status, so for procurement teams using bankability as their primary filter the two brands are largely interchangeable - with Suntech holding a clear edge on track record alone. Written by claude-sonnet from the figures above. ## Other comparisons - [Sunova vs A.B. Energy](https://comparepv.com/sunova-vs-a-b-energy) - [AE Solar vs Suntech](https://comparepv.com/ae-solar-vs-suntech) - [Sunova vs AEET](https://comparepv.com/sunova-vs-aeet) - [AIKO vs Suntech](https://comparepv.com/aiko-vs-suntech) - [Sunova vs AKCOME](https://comparepv.com/sunova-vs-akcome) - [ARTsolar vs Suntech](https://comparepv.com/artsolar-vs-suntech) --- Source: https://comparepv.com/sunova-vs-suntech Not in this file, on the page: the distributions above drawn as charts.