--- title: "KB Solar vs AEET - Brand Comparison | ComparePV" description: "Compare KB Solar vs AEET solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/kb-solar-vs-aeet" --- # KB Solar vs AEET KB Solar leads on peak efficiency at 20.90%. KB Solar leans bifacial (100% of lineup). ## The two companies | Attribute | KB Solar | AEET | | --- | --- | --- | | Country | | | | Headquarters | | | | Founded | | | | Employees | | | | Annual capacity | | | | Tier 1 | no | no | | Listed | | | | Website | | | ## Catalog & Power | Measure | KB Solar | AEET | Margin | | --- | --- | --- | --- | | Panel Models | 5 | 5 | | | Max Power | 385 W | 200 W | +185 W | | Avg Power | 375 W | 190 W | +185 W | ## Efficiency | Measure | KB Solar | AEET | Margin | | --- | --- | --- | --- | | Max Efficiency | 20.90% | 15.70% | +5.20 pp | | Avg Efficiency | 20.38% | 14.90% | +5.48 pp | ## Reliability & Warranty | Measure | KB Solar | AEET | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.330%/°C | - | | | Bifacial Share | 5 (100%) | 0 (0%) | +100 pp | | Avg Warranty | 30.0 yrs | 25.0 yrs | +5.0 yr | ## Efficiency distribution | Efficiency band | KB Solar | AEET | | --- | --- | --- | | 20-21% | 5 (100.0%) | 0 | | \<20% | 0 | 5 (100.0%) | ## Power distribution | Power band | KB Solar | AEET | | --- | --- | --- | | \<400W | 5 (100.0%) | 5 (100.0%) | ## Cell technology Dominant cell tech: **PERC** (100%) Dominant cell tech: **PERC** (100%) | Technology | KB Solar | AEET | | --- | --- | --- | | PERC | 5 (100.0%) | 5 (100.0%) | ## Top panels, KB Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [KBS-385](https://comparepv.com/panel/kb-solar-kbs-385) | 385 | 20.9 | -0.330 | Monocrystalline | | 2 | [KBS-380](https://comparepv.com/panel/kb-solar-kbs-380) | 380 | 20.6 | -0.330 | Monocrystalline | | 3 | [KBS-375](https://comparepv.com/panel/kb-solar-kbs-375) | 375 | 20.3 | -0.330 | Monocrystalline | | 4 | [KBS-370](https://comparepv.com/panel/kb-solar-kbs-370) | 370 | 20.1 | -0.330 | Monocrystalline | | 5 | [KBS-365](https://comparepv.com/panel/kb-solar-kbs-365) | 365 | 20.0 | -0.330 | Monocrystalline | ## Top panels, AEET | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SE200M(24)F](https://comparepv.com/panel/aeet-se200m-24-f) | 200 | 15.7 | - | Monocrystalline | | 2 | [SE195M(24)F](https://comparepv.com/panel/aeet-se195m-24-f) | 195 | 15.3 | - | Monocrystalline | | 3 | [SE190M(24)F](https://comparepv.com/panel/aeet-se190m-24-f) | 190 | 14.9 | - | Monocrystalline | | 4 | [SE185M(24)F](https://comparepv.com/panel/aeet-se185m-24-f) | 185 | 14.5 | - | Monocrystalline | | 5 | [SE180M(24)F](https://comparepv.com/panel/aeet-se180m-24-f) | 180 | 14.1 | - | Monocrystalline | ## Summary AEET Energy Group GmbH is a Germany-based photovoltaic company headquartered in Bad Gandersheim, operating primarily as a wholesale and distribution partner across the European market. The company has built a service network of more than 500 certified specialist partners within Germany and holds TÜV Rheinland certifications for its panel lineup. No confirmed BloombergNEF Tier 1 status or large-scale manufacturing capacity figure was found through available sources, which suggests AEET functions more as a procurement and distribution intermediary than a vertically integrated gigawatt-scale producer. KB Solar, by contrast, is an American company founded by the Karastanov brothers and based in Spartanburg, South Carolina, with a declared annual production capacity of roughly 120 MW at its domestic factory. It operates as a manufacturer, wholesaler, and regional installer, though its installation services are limited to South Carolina. Neither brand carries the institutional footprint of a globally bankable Tier 1 module supplier. On the product side, AEET Energy Group offers a range of crystalline silicon modules targeting the European professional installer and wholesale channel, with datasheets on file at ENFSolar covering multiple wattage classes. The company's model is built around full-service delivery to certified partner installers rather than direct retail. KB Solar's current catalog centers on monocrystalline panels at 375 W and 450 W, suited to residential rooftops, small commercial buildings, and off-grid or farm applications. The company emphasizes domestic US manufacturing as a differentiator, which can be relevant for buyers seeking locally made panels or shorter supply chains. Neither brand's dominant cell technology - whether PERC, TOPCon, or HJT - was confirmed with specificity by available independent sources. For a typical buyer in 2025, the choice between these two is largely determined by geography and procurement channel. European installers sourcing through established wholesale networks may encounter AEET as a regional partner, while buyers in the US seeking domestically produced panels at modest scale will find KB Solar more accessible. Neither brand is a like-for-like substitute for the other, and buyers with bankability or large-project financing requirements should compare both against established Tier 1 manufacturers before committing. \---LINKS--- \- https://www.enfsolar.com/aeet \| AEET Energy Group GmbH profile - ENFSolar panel directory \| article \- https://www.aeet-energy.com/en/index.php \| AEET Energy Group GmbH official wholesale partner site \| article \- https://kb-solar.com/about-us/ \| KB Solar - About Us, Spartanburg SC manufacturer \| article \- https://www.alignable.com/spartanburg-sc/kb-solar-manufacturer-wholesaler-distributor \| KB Solar Alignable business profile - 120 MW capacity detail \| article \- https://energypal.com/best-solar-panels-for-homes/aeet-energy-group \| AEET Energy Group - EnergyPal buyer guide entry \| review Written by claude-sonnet from the figures above. ## Other comparisons - [KB Solar vs A.B. Energy](https://comparepv.com/kb-solar-vs-a-b-energy) - [AE Solar vs AEET](https://comparepv.com/ae-solar-vs-aeet) - [KB Solar vs AIKO](https://comparepv.com/kb-solar-vs-aiko) - [AKCOME vs AEET](https://comparepv.com/akcome-vs-aeet) - [KB Solar vs ARTsolar](https://comparepv.com/kb-solar-vs-artsolar) - [ASM vs AEET](https://comparepv.com/asm-vs-aeet) --- Source: https://comparepv.com/kb-solar-vs-aeet Not in this file, on the page: the distributions above drawn as charts.