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Seraphim vs Solarspace - solar panel manufacturer comparison

Seraphim
China Founded 2011 Tier 1
Read the Seraphim review
VS
Solarspace
China Founded 2011 Tier 1
Read the Solarspace review
At a glance

Seraphim has the broader catalog (160 vs 82 models). Seraphim leads on peak efficiency at 23.50%. Solarspace leans bifacial (93% 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.

Panel models
160 82
Highest power
730 Wp 710 Wp
Best efficiency
23.5% 23.2%
Average efficiency
21.8% 22.0%
Bifacial share
69% 93%
Average warranty
29 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
Seraphim

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
Solarspace

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...

Founded
2011
Headquarters
Xuzhou, China
Annual capacity
60+ GW/year
Employees
6000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Seraphim Solarspace
Catalog & Power
Panel Models 160+78 82
Max Power 730 W+20 W 710 W
Avg Power 549 W+10 W 539 W
Efficiency
Max Efficiency 23.50%+0.34 pp 23.16%
Avg Efficiency 21.82% 22.04%+0.22 pp
Reliability & Warranty
Avg Temp Coefficient -0.316%/°C -0.299%/°C+0.017
Bifacial Share 111 (69%) 76 (93%)+23 pp
Avg Warranty 28.8 yrs 29.6 yrs+0.9 yr

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Seraphim skews to higher efficiency: 12% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Seraphim offers more 600W+ panels (35% of lineup)

Seraphim cell technology
Share of their models by cell architecture

Dominant cell tech: PERC (52%)

Solarspace cell technology
Share of their models by cell architecture

Dominant cell tech: N-type (70%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Seraphim is a Chinese solar module manufacturer founded in the 2010s, with retailer and trade-press sources reporting annual module capacity growth from roughly 5 GW in 2019 to approximately 13 GW by 2025. Multiple sources describe it as a long-standing BloombergNEF Tier 1 manufacturer, with some citing eleven consecutive years on the list, though no current-quarter BNEF list was found confirming this status for 2025-2026, so the claim should be treated as plausible but not independently verified. Solarspace, also China-based with manufacturing spread across China, Cambodia and Laos, is more clearly documented on BNEF's Tier 1 list, having first appeared in Q2 2023 and rejoined in Q2 2024 after BNEF tightened its bank-financing criteria, with a vicoexport tracker placing it around 10 GW of module capacity in a 2026 quarterly ranking; the company has also claimed a very large cell production base of around 30-60 GW. Of the two, Solarspace currently has more verifiable third-party confirmation of active Tier 1 bankability status, while Seraphim's institutional footprint rests more on its longer operating history and self-reported industry awards such as PVEL Top Performer recognitions.

In terms of product lines, Seraphim markets distinct families including its TOPCon-based Sable and Nebula series and an HJT-based Hydra series, with flagship modules around 580-590 W and mass-production efficiency near 22.5 percent, positioning it across both residential and commercial rooftop segments as well as utility-scale TOPCon deployments. Solarspace's catalog, as seen through reseller listings, spans PERC modules in the 400-410 W range alongside newer n-type TOPCon bifacial modules reaching 585-595 W, suggesting a similar dual-track strategy of legacy PERC for budget-conscious buyers and TOPCon bifacial for higher-yield commercial and utility projects. Neither brand shows strong evidence of HJT dominance at Solarspace, while Seraphim's Hydra line gives it a slightly more diversified cell-technology portfolio.

For a typical 2025-2026 buyer, the two brands are close enough in positioning - both Chinese Tier 1-adjacent manufacturers offering PERC-to-TOPCon product ranges for rooftop and commercial use - that the choice often comes down to local distributor support and warranty servicing rather than fundamental technology differences. Seraphim's longer market presence may offer more established installer familiarity, while Solarspace's clearer recent BNEF Tier 1 confirmation may appeal to buyers prioritizing financing bankability; some reviews note warranty support inconsistencies for both brands outside their core markets, so verifying local service infrastructure before purchase is advisable regardless of brand choice.

Generated by Claude Sonnet 5 · 2026-10-11

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 5 Seraphim offers · See 6 Solarspace 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.