JS Solar vs Phono Solar - solar panel manufacturer comparison
Phono Solar has the broader catalog (174 vs 137 models). Phono Solar leads on peak efficiency at 23.50%. Phono Solar leans bifacial (43% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
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...
- Founded
- 2004
- Headquarters
- Nanjing, China
- Annual capacity
- 3-4 GW/year
- Employees
- 13000+
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Phono Solar skews to higher efficiency: 11% of lineup is 23%+
Phono Solar offers more 600W+ panels (20% of lineup)
Dominant cell tech: <strong>PERC</strong> (39%)
Dominant cell tech: <strong>PERC</strong> (37%)
The flagships
Written summary
JS Solar is a Chinese solar module manufacturer headquartered in Yixing, Jiangsu Province, operating since 2004 with its production base established in 2007 under the full corporate name Jiangsu Jinshang New Energy Technology Co., Ltd. The company occupies a niche position in the global market and, based on available research, does not appear on BloombergNEF Tier 1 lists, which limits its bankability for project-financed installations. Phono Solar, by contrast, is a brand of SUMEC Group - a Chinese state-owned enterprise under Sinomach, headquartered in Nanjing and founded in 2008 - and has held continuous BloombergNEF Tier 1 status since 2014, confirmed as recently as Q2 2025. In terms of institutional footprint and financial backing, Phono Solar is the substantially stronger of the two brands.
Phono Solar's product portfolio spans monocrystalline PERC, TOPCon, and HJT modules, with peak efficiency reaching 22.6%. The company earned a PVEL Top Performer designation in the 2025 PV Module Reliability Scorecard, an independently verified quality signal that matters to project developers and lenders. Its lineup skews toward commercial and industrial applications as well as utility-scale ground-mount projects, though residential-compatible modules are also available. Standard modules carry a 12-year product warranty and a 25-year linear performance guarantee, with bifacial variants extending those terms to 15 and 30 years respectively. JS Solar's product range is positioned in the budget-to-mid-tier segment, but independent technical reviews and cell-technology specifics are sparse, making it harder to verify claims about efficiency or durability through reputable third-party sources.
For most international buyers - from EPCs structuring project finance to commercial rooftop developers - Phono Solar is the more defensible default choice, given its sustained Tier 1 bankability, independently validated reliability, and transparent state-enterprise ownership structure. JS Solar may serve cost-sensitive applications where third-party bankability is not a requirement, but it warrants closer due diligence before deployment in financed or large-scale projects.
Generated by Claude Sonnet · 2026-06-25
Other brand comparisons
Shop prices: See 5 Phono Solar offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.