--- title: "A.B. Energy vs KB Solar - Brand Comparison | ComparePV" description: "Compare A.B. Energy vs KB Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/a-b-energy-vs-kb-solar" --- # A.B. Energy vs KB Solar KB Solar has the broader catalog (5 vs 0 models). KB Solar leans bifacial (100% of lineup). ## The two companies | Attribute | A.B. Energy | KB Solar | | --- | --- | --- | | Country | Germany | | | Headquarters | Wiesbaden | | | Founded | 1996 | | | Employees | 1,400 | | | Annual capacity | | | | Tier 1 | | no | | Listed | Xetra, Frankfurt Stock Exchange: AB9 | | | Website | [https://abo-energy.com](https://abo-energy.com) | | ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy... ## Catalog & Power | Measure | A.B. Energy | KB Solar | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 5 | +5 | | Max Power | 0 W | 385 W | +385 W | | Avg Power | 0 W | 375 W | +375 W | ## Efficiency | Measure | A.B. Energy | KB Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 20.90% | | | Avg Efficiency | - | 20.38% | | ## Reliability & Warranty | Measure | A.B. Energy | KB Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.330%/°C | | | Bifacial Share | 0 (0%) | 5 (100%) | +100 pp | | Avg Warranty | - | 30.0 yrs | | ## Efficiency distribution | Efficiency band | A.B. Energy | KB Solar | | --- | --- | --- | | 20-21% | 0 | 5 (100.0%) | ## Power distribution | Power band | A.B. Energy | KB Solar | | --- | --- | --- | | \<400W | 0 | 5 (100.0%) | ## Cell technology Dominant cell tech: **PERC** (100%) | Technology | A.B. Energy | KB Solar | | --- | --- | --- | | PERC | 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 | ## Summary A.B. Energy is not itself a panel manufacturer but an Italian distributor, based in Italy, that supplies modules from established Tier 1 producers such as JA Solar, Trina Solar and LONGi to buyers in the Italian market. It does not appear in BloombergNEF Tier 1 lists or major manufacturer databases because it is a procurement and reseller layer rather than a factory operator, and its bankability effectively rests on whichever upstream brand a given order comes from. KB Solar, by contrast, is a small US-based manufacturer headquartered in Spartanburg, South Carolina, founded around 2021 and producing panels since 2022 with a modest annual factory capacity in the range of roughly 120 MW, serving mainly the South Carolina market. Neither company carries the institutional footprint of a global Tier 1 producer, but A.B. Energy has the stronger indirect standing since its products inherit the certifications and bankability of the well-established brands it distributes, while KB Solar's own credentials remain those of a young, regional manufacturer with limited third-party review coverage. In practical terms, A.B. Energy is best understood as a channel through which Italian installers and homeowners access mainstream crystalline silicon modules, including mono-PERC and newer TOPCon lines depending on which upstream brand is sourced, for residential and small commercial rooftops. KB Solar's own-branded output, such as its 450W monofacial and bifacial modules, targets residential, farm and small commercial installations within its regional US footprint, with bifacial panels marketed for higher rear-side energy yield; its 30-year performance guarantee and 12-year product warranty are typical of an emerging domestic producer trying to build trust with local buyers rather than of an established global brand. Given the difference in scale and verification, a typical buyer evaluating "A.B. Energy" is really evaluating the underlying Tier 1 brand it happens to be distributing at the time, which tends to be the safer bet on paper. KB Solar may appeal to buyers who specifically prioritize domestically manufactured, locally sourced panels within South Carolina, but broader national or international buyers will find far less independent verification, long-term field data, or bankability history for KB Solar than for the established manufacturers available through A.B. Energy's distribution network. \---LINKS--- \- https://www.enfsolar.com/a-b-energy \| A.B. Energy srls seller listing on ENF Solar (Italy) \| article \- https://eu.longi.com/official-partners-countries/italy \| LONGi official partner network in Italy \| article \- https://www.enfsolar.com/kb-solar-2 \| KB Solar company profile on ENF Solar \| article \- https://www.enfsolar.com/pv/panel-datasheet/crystalline/66677 \| KB Solar Module-KBS-450-Mono-BF datasheet \| article \- https://www.solarreviews.com/manufacturers/kyung-won \| SolarReviews manufacturer listing referencing K Solar/KB Solar \| review Written by claude-sonnet-5 from the figures above. ## Other comparisons - [A.B. Energy vs AE Solar](https://comparepv.com/a-b-energy-vs-ae-solar) - [AEET vs KB Solar](https://comparepv.com/aeet-vs-kb-solar) - [A.B. Energy vs AIKO](https://comparepv.com/a-b-energy-vs-aiko) - [AKCOME vs KB Solar](https://comparepv.com/akcome-vs-kb-solar) - [A.B. Energy vs ARTsolar](https://comparepv.com/a-b-energy-vs-artsolar) - [ASM vs KB Solar](https://comparepv.com/asm-vs-kb-solar) --- Source: https://comparepv.com/a-b-energy-vs-kb-solar