AEET vs Selfa - solar panel manufacturer comparison

AEET Energy Group GmbH is a Germany-based photovoltaic wholesale specialist headquartered in Bad Gandersheim, Lower Saxony. Rather than producing solar cells in-house, the company operates as a full-service distribution partner, sourcing modules from major global manufacturers and reselling them under its own brand across European markets. Its panels carry TÜV Rheinland certification, but AEET does not appear on the BloombergNEF Tier 1 bankability list as a module manufacturer in its own right. Selfa GE S.A., by contrast, is a Polish company based in Szczecin with roots in electrical manufacturing dating to 1932 - it entered the photovoltaic sector in 2004 and launched automated module production in 2012. Selfa holds third-party certifications from the German VDE Testing and Certification Institute and KIWA Cermet Italia, and it operates as a direct manufacturer rather than a distributor. Neither brand carries the institutional footprint of a BloombergNEF Tier 1 player, but Selfa's vertically integrated production gives it a more transparent supply chain by comparison.

AEET Energy Group's catalog covers a range of residential and commercial modules sourced from partnered factories, with a product warranty of ten years and a performance guarantee of up to 25 years - terms that are shorter than many competing brands at a comparable price point. Selfa's own-manufactured lineup spans roughly 410 to 550 Wp and includes both monocrystalline PERC and TOPCon cell technologies, incorporating half-cut and multi-busbar construction for improved shade tolerance and lower resistive losses. Selfa also offers a proprietary SELF-C self-cleaning surface coating and backs its modules with a 30-year manufacturer's warranty, which is an above-average commitment for a mid-tier regional brand. Selfa is primarily oriented toward residential rooftop and small commercial installations in Poland and Central Europe.

For buyers in Central Europe prioritizing a domestically manufactured panel with modern cell technology and a longer warranty, Selfa is generally the more traceable option. AEET may suit contractors who value a single-source European wholesale relationship and flexible volume sourcing, but its role as a distributor rather than a manufacturer adds an extra layer of supply-chain indirection. Both brands are best suited to smaller residential or light commercial projects rather than utility-scale or institutionally financed deployments.

Generated by Claude Sonnet · 2026-05-15