Phono Solar vs Seraphim - solar panel manufacturer comparison
Phono Solar has the broader catalog (174 vs 160 models). Seraphim leans bifacial (69% 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
Seraphim is a world-class solar products manufacturer specializing in research, development, production, and sales of solar PV products. The company has achieved significant milestones, outpacing competitors in production capacity and innovative designs. Seraphim is committed to technological innovation and...
- Founded
- 2011
- Headquarters
- Changzhou, China
- Annual capacity
- 13 GW/year
- Employees
- 1001-5000
- 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
Seraphim skews to higher efficiency: 12% of lineup is 23%+
Seraphim offers more 600W+ panels (35% of lineup)
Dominant cell tech: <strong>PERC</strong> (37%)
Dominant cell tech: <strong>PERC</strong> (52%)
The flagships
Written summary
Phono Solar is a Chinese solar panel manufacturer founded in 2004 as a division of SUMEC Group, itself a subsidiary of SINOMACH - China Machinery Industry Corporation, which ranked 281st on the Fortune 500 in 2023. Headquartered in Nanjing, Phono Solar has held BNEF Tier 1 status continuously since 2014 and earned the Kiwa PVEL Top Performer award for the eighth time in 2025, confirming consistent module reliability across independent stress testing. Its reported manufacturing capacity stands at roughly 1.6 GW, with additional facilities in Turkey and Vietnam. Seraphim, formally Jiangsu Seraphim Solar System Co., Ltd., was founded in 2011 in Changzhou, Jiangsu, and has scaled into a substantially larger operation, reaching approximately 13 GW of global production capacity by 2025 across plants in China, Vietnam, South Africa, and the United States. Seraphim has maintained BNEF Tier 1 status for 11 consecutive years and earned Kiwa PVEL Top Performer recognition for the sixth time in 2025 with its Sable series TOPCon modules. On raw industrial scale, Seraphim commands the stronger manufacturing footprint.
Phono Solar's portfolio spans PERC, N-type TOPCon, and HJT technologies, covering an output range from around 400 W to 730 W - the upper end represented by the HJT Helios series with 0BB cell architecture. This breadth suits residential rooftop, commercial and industrial, and carport applications. At Intersolar Europe 2025 the company signed a 116 MW carport supply agreement with a European partner, reflecting growing C&I traction on the continent. Seraphim organises its lineup around the Sable, Nebula, and Seco series. The N-type TOPCon-based Nebula series carries third-party carbon footprint certification and excelled across all Kiwa PVEL test categories in 2025, while the Seco series targets utility-scale ground-mount deployments where Seraphim's diversified logistics network and South African manufacturing give it a tangible edge on projects requiring local content or reduced supply-chain concentration risk.
For most buyers choosing between the two, Seraphim's larger scale, geographically diversified production, and longer unbroken Tier 1 record make it a marginally stronger default for utility-scale or bank-financed projects where supply security and bankability scrutiny are intensive. Phono Solar, backed by a Fortune 500 state-owned parent and well-embedded in European distribution channels, is a compelling and credible alternative - particularly for residential and C&I installers who already benefit from its established local networks. In measured module reliability and cell technology, the two brands are closely matched; pricing, local stock availability, and distributor after-sales support will often be the decisive factors.
Generated by Claude Sonnet · 2026-06-27
Other brand comparisons
Shop prices: See 5 Phono Solar offers · See 4 Seraphim 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.