--- title: "Phono Solar vs Solarspace - Brand Comparison | ComparePV" description: "Compare Phono Solar vs Solarspace solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/phono-solar-vs-solarspace" image: "https://comparepv.com/og/compare/manufacturers/phono-solar/solarspace.png" --- # Phono Solar vs Solarspace Phono Solar has the broader catalog (174 vs 82 models). Phono Solar leads on peak efficiency at 23.50%. Solarspace leans bifacial (93% of lineup). ## The two companies | Attribute | Phono Solar | Solarspace | | --- | --- | --- | | Country | China | China | | Headquarters | Nanjing | Xuzhou | | Founded | 2004 | 2011 | | Employees | 13000+ | 6000+ | | Annual capacity | 3-4 GW/year | 60+ GW/year | | Tier 1 | yes | yes | | Listed | | | | Website | [https://www.phonosolar.com](https://www.phonosolar.com) | [https://solarspace.com](https://solarspace.com) | Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been... SolarSpace is a world-leading solar cell and module manufacturer, focusing on high-efficiency solar technology production both in China and overseas. They are among the top solar cell manufacturers, providing high-quality solar modules with core cell technology worldwide. SolarSpace is dedicated to empowering solar... ## Catalog & Power | Measure | Phono Solar | Solarspace | Margin | | --- | --- | --- | --- | | Panel Models | 174 | 82 | +92 | | Max Power | 730 W | 710 W | +20 W | | Avg Power | 515 W | 539 W | +24 W | ## Efficiency | Measure | Phono Solar | Solarspace | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.50% | 23.16% | +0.34 pp | | Avg Efficiency | 21.77% | 22.04% | +0.26 pp | ## Reliability & Warranty | Measure | Phono Solar | Solarspace | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.306%/°C | -0.299%/°C | +0.006 | | Bifacial Share | 74 (43%) | 76 (93%) | +50 pp | | Avg Warranty | 27.1 yrs | 29.6 yrs | +2.5 yr | ## Efficiency distribution Phono Solar skews to higher efficiency: 11% of lineup is 23%+ | Efficiency band | Phono Solar | Solarspace | | --- | --- | --- | | \<20% | 3 (1.7%) | 0 | | 20-21% | 37 (21.3%) | 7 (8.5%) | | 21-22% | 53 (30.5%) | 26 (31.7%) | | 22-23% | 62 (35.6%) | 46 (56.1%) | | 23%+ | 19 (10.9%) | 3 (3.7%) | ## Power distribution Solarspace offers more 600W+ panels (33% of lineup) | Power band | Phono Solar | Solarspace | | --- | --- | --- | | \<400W | 10 (5.7%) | 1 (1.2%) | | 400-499W | 78 (44.8%) | 35 (42.7%) | | 500-599W | 51 (29.3%) | 19 (23.2%) | | 600-699W | 23 (13.2%) | 24 (29.3%) | | 700W+ | 12 (6.9%) | 3 (3.7%) | ## Cell technology Dominant cell tech: PERC (37%) Dominant cell tech: N-type (70%) | Technology | Phono Solar | Solarspace | | --- | --- | --- | | PERC | 65 (37.4%) | 18 (22.0%) | | TOPCon | 53 (30.5%) | 7 (8.5%) | | N-type | 50 (28.7%) | 57 (69.5%) | | HJT | 5 (2.9%) | 0 | | Back Contact | 1 (0.6%) | 0 | ## Top panels, Phono Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [PS730M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps730m13gfh-22-wshw) | 730 | 23.5 | -0.240 | Monocrystalline | | 2 | [NS-730MH-132](https://comparepv.com/panel/phono-solar-ns-730mh-132) | 730 | 23.5 | -0.290 | Monocrystalline | | 3 | [PS725M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps725m13gfh-22-wshw) | 725 | 23.3 | -0.240 | Monocrystalline | | 4 | [PS720M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps720m13gfh-22-wshw) | 720 | 23.2 | -0.240 | Monocrystalline | | 5 | [NS-720MH-132](https://comparepv.com/panel/phono-solar-ns-720mh-132) | 720 | 23.2 | -0.290 | Monocrystalline | | 6 | [PS715M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps715m13gfh-22-wshw) | 715 | 23.0 | -0.240 | Monocrystalline | | 7 | [PS710M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps710m13gfh-22-wnh) | 710 | 22.9 | -0.290 | Monocrystalline | | 8 | [PS710M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps710m13gfh-22-wshw) | 710 | 22.9 | -0.240 | Monocrystalline | | 9 | [NS-710MH-132](https://comparepv.com/panel/phono-solar-ns-710mh-132) | 710 | 22.9 | -0.290 | Monocrystalline | | 10 | [PS705M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps705m13gfh-22-wnh) | 705 | 22.7 | -0.290 | Monocrystalline | ## Top panels, Solarspace | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SS9-66HD-710N](https://comparepv.com/panel/solarspace-ss9-66hd-710n) | 710 | 22.9 | -0.290 | Monocrystalline | | 2 | [SS9-66HD-705N](https://comparepv.com/panel/solarspace-ss9-66hd-705n) | 705 | 22.7 | -0.290 | Monocrystalline | | 3 | [SS9-66HD-700N](https://comparepv.com/panel/solarspace-ss9-66hd-700n) | 700 | 22.5 | -0.290 | Monocrystalline | | 4 | [SS9-66HD-695N](https://comparepv.com/panel/solarspace-ss9-66hd-695n) | 695 | 22.4 | -0.290 | Monocrystalline | | 5 | [SS9-66HD-690N](https://comparepv.com/panel/solarspace-ss9-66hd-690n) | 690 | 22.2 | -0.290 | Monocrystalline | | 6 | [SS9-66HD-685N](https://comparepv.com/panel/solarspace-ss9-66hd-685n) | 685 | 22.1 | -0.290 | Monocrystalline | | 7 | [SS9-66HD-680N](https://comparepv.com/panel/solarspace-ss9-66hd-680n) | 680 | 21.9 | -0.290 | Monocrystalline | | 8 | [SS9-66HD-675N](https://comparepv.com/panel/solarspace-ss9-66hd-675n) | 675 | 21.7 | -0.290 | Monocrystalline | | 9 | [SS9-66HD-670M](https://comparepv.com/panel/solarspace-ss9-66hd-670m) | 670 | 21.6 | -0.330 | Monocrystalline | | 10 | [SS9-66HD-670N](https://comparepv.com/panel/solarspace-ss9-66hd-670n) | 670 | 21.6 | -0.290 | Monocrystalline | ## Summary Phono Solar is a Chinese manufacturer headquartered in Nanjing, founded around 2007 as a subsidiary of the state-linked SUMEC Group under the SINOMACH conglomerate. It has held BloombergNEF Tier 1 bankability status since 2014 and operates manufacturing sites in China, Vietnam, Cambodia, and Turkey with a total capacity in the low single-digit gigawatt range. Solarspace, founded in 2011, has grown into a considerably larger player, with cell production capacity reportedly exceeding 60 GW and module capacity around 10 GW, ranking second worldwide in solar cell shipments in the first half of 2025; it too carries repeated BloombergNEF Tier 1 recognition. On institutional footprint and manufacturing scale, Solarspace is clearly the larger and more globally distributed of the two, while Phono Solar benefits from the financial backing of a large state-owned parent group despite its smaller output. Phono Solar's catalog spans PERC, TOPCon, and HJT cell technology in mono and bifacial formats, with products like the Twinplus and Helios series covering both residential rooftops and larger commercial or utility-scale projects, and is generally positioned as a value-oriented brand offering solid efficiency at competitive pricing. Solarspace has shifted its mix heavily toward N-type cells, with TOPCon and newer HJT modules such as its Lumina II series, and has been expanding aggressively into commercial, residential, and utility-scale segments internationally, including a notable push into the North American market showcased at RE+ 2025. For a typical buyer in 2025, both brands clear the Tier 1 bankability bar, so the choice often comes down to priorities rather than a clear winner. Solarspace's larger production scale, newer HJT/TOPCon lineup, and stronger global shipment volumes make it a slightly safer default for utility-scale or commercial buyers seeking cutting-edge cell technology, while Phono Solar remains an attractive option for cost-conscious residential and commercial buyers who value its parent company's financial stability and long warranty terms. The two are not strictly interchangeable, but neither represents a clear risk relative to the other. \---LINKS--- \- https://www.pv-magazine.com/press-releases/phono-solar-was-re-elected-on-the-tier1-list-of-bloomberg-nef-by-virtue-of-itsbankability-strength/ \| Phono Solar re-elected to BNEF Tier 1 list for bankability \| article \- https://www.pv-magazine.com/press-releases/breaking-through-challenges-in-the-north-american-market-solarspace-showcases-diverse-solutions-at-re-2025/ \| SolarSpace showcases solutions at RE+ 2025 in North America \| article \- https://www.solarreviews.com/blog/phono-solar-panel-review \| Phono Solar panel review: cost, products, and warranties \| review \- https://a1solarstore.com/blog/solarspace-solar-panels-review-in-depth-look-a1-solarstore.html \| SolarSpace solar panels review 2026: in-depth look \| review \- https://www.energysage.com/supplier/20079/phono-solar-technology-co-ltd/ \| Phono Solar Technology Co., Ltd. profile and reviews \| review Written by claude-sonnet-5 from the figures above. ## Other comparisons - [Phono Solar vs A.B. Energy](https://comparepv.com/phono-solar-vs-a-b-energy) - [AE Solar vs Solarspace](https://comparepv.com/ae-solar-vs-solarspace) - [Phono Solar vs AEET](https://comparepv.com/phono-solar-vs-aeet) - [AIKO vs Solarspace](https://comparepv.com/aiko-vs-solarspace) - [Phono Solar vs AKCOME](https://comparepv.com/phono-solar-vs-akcome) - [ARTsolar vs Solarspace](https://comparepv.com/artsolar-vs-solarspace) --- Source: https://comparepv.com/phono-solar-vs-solarspace Not in this file, on the page: the distributions above drawn as charts.