Tongwei vs AEET - solar panel manufacturer comparison
Tongwei has the broader catalog (122 vs 5 models). Tongwei leads on peak efficiency at 24.20%. Tongwei 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
- Founded
- 2013
- Headquarters
- Chengdu, China
- Listed
- SSE: 600438
- 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
Tongwei skews to higher efficiency: 41% of lineup is 23%+
Tongwei offers more 600W+ panels (53% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (47%)
Dominant cell tech: <strong>PERC</strong> (100%)
The flagships
Written summary
AEET Energy Group GmbH is a German photovoltaic wholesale distributor headquartered in Bad Gandersheim, Germany. Rather than manufacturing its own panels, AEET operates as a full-service B2B reseller that sources modules from established brands and supplies installers across Germany and beyond. The company has no publicly confirmed BloombergNEF Tier 1 status of its own, as that designation applies to module manufacturers rather than distributors. Tongwei Solar, by contrast, is a Chinese manufacturer founded in 1982 and headquartered in Chengdu, which has grown into one of the most vertically integrated solar companies in the world - producing high-purity polysilicon, solar cells, and finished modules at enormous scale. Tongwei holds confirmed BloombergNEF Tier 1 status as of Q3 2025 and is listed in the Fortune Global 500. With cell production capacity exceeding 150 GW and module capacity above 90 GW as of mid-2025, Tongwei has by far the stronger institutional and industrial footprint of the two.
Because AEET is a distributor rather than a brand behind its own manufactured panels, a direct product-level comparison is somewhat misleading. Tongwei's own panel portfolio is anchored in N-type TOPCon technology and earned Top Performer recognition in Kiwa PVEL's 2025 PV Module Reliability Scorecard, making it a credible choice for utility-scale ground mounts as well as commercial and residential installations. AEET, as a wholesaler, may carry Tongwei products alongside other brands, and its value proposition centers on local logistics, warehousing, and installer support rather than proprietary cell technology.
For any buyer seeking a bankable, large-scale module supplier with a confirmed manufacturing track record in 2025, Tongwei is the clear point of reference. AEET is more accurately understood as a distribution channel than a competing product brand. Buyers in Germany or Central Europe looking for locally stocked, installer-ready supply may find AEET a practical procurement partner - but the underlying panel technology in any given project depends entirely on which brands AEET happens to carry at the time.
Generated by Claude Sonnet · 2026-06-03
Other brand comparisons
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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.