AE Solar vs WINAICO - solar panel manufacturer comparison
AE Solar has the broader catalog (654 vs 44 models). WINAICO leads on peak efficiency at 25.00%. WINAICO leans bifacial (77% 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
AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...
- Founded
- 2003
- Headquarters
- Gersthofen, Germany
- Annual capacity
- 2+ GW/year
- Employees
- 501-1000
- Tier 1 bankable
- Yes
WINAICO is a Taiwanese manufacturer of high-performance crystalline silicon photovoltaic modules, operating as an independent subsidiary of Win Win Precision Technology. The company focuses on premium-quality solar panels backed by long warranty periods and has built a strong reputation in markets such as Germany...
- Founded
- 2003
- Headquarters
- Hsinchu, Taiwan
- Annual capacity
- 0.1-1 GW/year
- Employees
- 100-500
- 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
WINAICO skews to higher efficiency: 59% of lineup is 23%+
AE Solar offers more 600W+ panels (14% of lineup)
Dominant cell tech: TOPCon (55%)
Dominant cell tech: Back Contact (41%)
The flagships
Written summary
AE Solar is a German module manufacturer founded in 2003 in Koenigsbrunn by three brothers, now headquartered in Gersthofen, Germany, with distribution reported in more than 90 countries. The company has appeared on BloombergNEF's Tier 1 list every quarter since 2021, which supports bankability for lenders financing installations. Its manufacturing footprint is split between China and a Kayseri, Turkey plant, and its stated plans for additional European lines in Germany, Bulgaria, the Czech Republic and Greece remain largely self-reported rather than independently confirmed. WINAICO, by contrast, is the module brand of Taiwan-listed Win Win Precision Technology, active since around 2007-2008, and is also confirmed as Tier 1 by BloombergNEF, though independent German estimates put its annual output at just over 1 GW, far smaller than Chinese giants like Trina or Jinko. Institutionally, both brands carry comparable bankability credentials, though AE Solar has stated more aggressive capacity expansion ambitions.
AE Solar's catalog spans residential rooftop, commercial and industrial (C&I), and utility-scale ground-mount applications, with messaging focused on flexible configurations for a wide range of markets including emerging regions. WINAICO has consistently positioned itself in the premium segment of the German and broader European market, with pv-magazine confirming n-type TOPCon module launches such as the WST-NGX series reaching up to 22.3 percent efficiency, product warranties extending to 30 years, and a recently broadened lineup that now includes back-contact and heterojunction (HJT) technology. WINAICO leans toward large-scale and commercial rooftop projects demanding long-term durability, while AE Solar covers a broader spread including less specialized residential installs.
For a buyer prioritizing independently documented technology performance and a consistent premium track record, WINAICO is the somewhat stronger default thanks to its pv-magazine-verified product announcements and focused strategy. AE Solar remains a reasonable choice where supply flexibility and broad global availability matter most, though its production-capacity claims rely heavily on company-sourced material and should be weighed with some caution.
Generated by Claude Sonnet 5 · 2026-10-23
Other brand comparisons
Shop prices: See 4 AE Solar offers · See 5 WINAICO 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.