JS Solar vs Sunova - solar panel manufacturer comparison
Sunova has the broader catalog (183 vs 137 models). Sunova leads on peak efficiency at 23.20%. Sunova leans bifacial (92% 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
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
Sunova skews to higher efficiency: 5% of lineup is 23%+
Sunova offers more 600W+ panels (22% of lineup)
Dominant cell tech: <strong>PERC</strong> (39%)
Dominant cell tech: <strong>PERC</strong> (49%)
The flagships
Written summary
JS Solar, formally Yixing JS Solar Co., Ltd, is a Chinese photovoltaic module manufacturer headquartered in Yixing, Jiangsu Province, with roots in the solar market dating to 2004 and an established production base since 2007. Its annual manufacturing capacity is reported at approximately 600 MW, placing it firmly in the small-to-mid-tier segment of Chinese producers. Public searches did not surface a confirmed BNEF Tier 1 listing for JS Solar, which may pose challenges for project-financed deals where lender acceptance of the module brand is a contractual requirement. Sunova Solar Technology Co., Ltd, founded in 2016, achieved BNEF Tier 1 module manufacturer status in Q3 2023 and holds a CC+ bankability rating from PV Tech. By the end of 2024 the company had shipped a cumulative 7.1 GW of modules globally, with an operational production capacity of 4.2 GW and a further 6 GW reportedly under construction. On institutional footprint and verified scale, Sunova holds a measurable advantage over JS Solar.
JS Solar's public product positioning suggests a focus on standard modules for small residential and light commercial rooftop applications, but available sources do not confirm which cell technology - TOPCon, HJT, or PERC - anchors its current lineup. Sunova, by contrast, has publicly released both TOPCon and HJT bifacial double-glass modules, first showcased at Intersolar Europe, with the TOPCon line reaching conversion efficiencies confirmed at around 22 percent. Sunova explicitly targets residential rooftops, commercial and industrial (C&I) systems, and utility-scale ground-mount projects, indicating a broad portfolio suited to international buyers operating across multiple market segments.
For most buyers - especially those working with project finance, EPCs, or utility developers - Sunova is the stronger default choice given its confirmed Tier 1 bankability, larger proven shipment volume, and documented n-type cell technology. JS Solar may appeal in budget-sensitive contexts where bankability is not a lender requirement, but buyers should verify current product specifications and warranty terms directly with a distributor before committing, as independent third-party reviews of JS Solar modules remain limited in publicly available sources.
Generated by Claude Sonnet · 2026-06-14
Other brand comparisons
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.