--- title: "S-Energy vs A.B. Energy - Brand Comparison | ComparePV" description: "Compare S-Energy vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/s-energy-vs-a-b-energy" --- # S-Energy vs A.B. Energy S-Energy has the broader catalog (91 vs 0 models). S-Energy leans bifacial (77% of lineup). ## The two companies | Attribute | S-Energy | A.B. Energy | | --- | --- | --- | | Country | South Korea | Germany | | Headquarters | Seoul | Wiesbaden | | Founded | 2011 | 1996 | | Employees | | 1,400 | | Annual capacity | | | | Tier 1 | no | | | Listed | | Xetra, Frankfurt Stock Exchange: AB9 | | Website | [https://www.s-energy.com](https://www.s-energy.com) | [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 | S-Energy | A.B. Energy | Margin | | --- | --- | --- | --- | | Panel Models | 91 | 0 | +91 | | Max Power | 665 W | 0 W | +665 W | | Avg Power | 512 W | 0 W | +512 W | ## Efficiency | Measure | S-Energy | A.B. Energy | Margin | | --- | --- | --- | --- | | Max Efficiency | 22.38% | - | | | Avg Efficiency | 21.00% | - | | ## Reliability & Warranty | Measure | S-Energy | A.B. Energy | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.339%/°C | - | | | Bifacial Share | 70 (77%) | 0 (0%) | +77 pp | | Avg Warranty | 27.7 yrs | - | | ## Efficiency distribution | Efficiency band | S-Energy | A.B. Energy | | --- | --- | --- | | 20-21% | 50 (54.9%) | 0 | | 21-22% | 34 (37.4%) | 0 | | 22-23% | 7 (7.7%) | 0 | ## Power distribution S-Energy offers more 600W+ panels (12% of lineup) | Power band | S-Energy | A.B. Energy | | --- | --- | --- | | \<400W | 4 (4.4%) | 0 | | 400-499W | 36 (39.6%) | 0 | | 500-599W | 40 (44.0%) | 0 | | 600-699W | 11 (12.1%) | 0 | ## Cell technology Dominant cell tech: **PERC** (59%) | Technology | S-Energy | A.B. Energy | | --- | --- | --- | | PERC | 54 (59.3%) | 0 | | TOPCon | 25 (27.5%) | 0 | | Unknown | 12 (13.2%) | 0 | ## Top panels, S-Energy | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SL85-66BDL-665R](https://comparepv.com/panel/s-energy-sl85-66bdl-665r) | 665 | 21.4 | -0.340 | Monocrystalline | | 2 | [SL85-66BDL-660R](https://comparepv.com/panel/s-energy-sl85-66bdl-660r) | 660 | 21.3 | -0.340 | Monocrystalline | | 3 | [SL85-66BDL-655R](https://comparepv.com/panel/s-energy-sl85-66bdl-655r) | 655 | 21.1 | -0.340 | Monocrystalline | | 4 | [SL85-66BDL-650R](https://comparepv.com/panel/s-energy-sl85-66bdl-650r) | 650 | 20.9 | -0.340 | Monocrystalline | | 5 | [SL85-66BDL-645R](https://comparepv.com/panel/s-energy-sl85-66bdl-645r) | 645 | 20.8 | -0.340 | Monocrystalline | | 6 | [SL65-78TDP-625R](https://comparepv.com/panel/s-energy-sl65-78tdp-625r) | 625 | 22.4 | -0.300 | Monocrystalline | | 7 | [SL65-78TDP-620R](https://comparepv.com/panel/s-energy-sl65-78tdp-620r) | 620 | 22.2 | -0.300 | Monocrystalline | | 8 | [SL65-78TDP-615R](https://comparepv.com/panel/s-energy-sl65-78tdp-615r) | 615 | 22.0 | -0.300 | Monocrystalline | | 9 | [SL65-78TDP-610R](https://comparepv.com/panel/s-energy-sl65-78tdp-610r) | 610 | 21.8 | -0.300 | Monocrystalline | | 10 | [SL65-78TDP-605R](https://comparepv.com/panel/s-energy-sl65-78tdp-605r) | 605 | 21.7 | -0.300 | Monocrystalline | ## Summary S-Energy is a South Korean manufacturer headquartered in Gyeonggi-do, tracing its origins to 1992 as the photovoltaic division of Samsung Electronics before being spun out as an independent company in 2001. It became the first publicly listed renewable energy firm on South Korea's KOSDAQ exchange in 2007. S-Energy holds Bloomberg New Energy Finance (BNEF) Tier 1 status, indicating demonstrated bankability in project finance contexts, and its manufacturing facility in Daejeon produces on the order of 500 MW of solar modules per year - a modest scale compared to multi-gigawatt Chinese rivals. A.B. Energy SRLS, by contrast, is an Italian firm that describes itself as a distributor and solutions integrator rather than a panel manufacturer: it carries modules from third-party brands including LONGi, Trina Solar, JA Solar, REC, and HD Hyundai Energy Solutions, along with inverters from Huawei, SMA, and Fronius. A.B. Energy holds no publicly documented Tier 1 designation of its own because it does not fabricate cells or modules. On institutional footprint, S-Energy is the stronger standalone brand. S-Energy's catalog is oriented toward residential rooftops and small-to-medium commercial installations, where its mid-tier pricing - typically a meaningful discount per watt versus premium brands - makes it a value proposition for cost-sensitive buyers. Industry reviews note efficiency ratings across its product range spanning from standard polycrystalline performance up to roughly 22% for its higher-end models, primarily built on PERC cell technology. One flag raised consistently by independent reviewers is an annual degradation rate around 0.7%, which sits above what leading manufacturers now warrant, and ongoing financial losses since 2017 introduce some long-term viability uncertainty. A.B. Energy, operating as a distributor, gives Italian and broader European buyers a single point of contact for sourcing from multiple Tier 1 brands; it also markets a proprietary residential storage line under the BluE Series name, suggesting a growing role as an energy-system integrator rather than a panel specialist. For a buyer who needs a direct manufacturer warranty and a single branded panel for a residential or commercial rooftop, S-Energy is the more tangible option, though its financial health warrants monitoring. A.B. Energy fills a different niche - useful for European integrators who want distributor relationships and multi-brand flexibility rather than a single manufacturing source. The two brands are not truly interchangeable: one is a panel maker, the other is primarily a reseller and systems house. \---LINKS--- \- https://www.solarreviews.com/blog/s-energy-solar-panels-review \| S-Energy Solar Panels Review - Are They Worth Buying? \| review \- https://www.energysage.com/solar-panels/s-energy/ \| S-Energy Solar Panels - EnergySage \| review \- https://a1solarstore.com/blog/s-energy-solar-panels-review-samsungs-little-sister.html \| S-Energy solar panels review 2026 - A1 SolarStore \| review \- https://www.enfsolar.com/a-b-energy \| A.B. Energy SRLS - ENF Solar Company Directory \| article Sources: \- \[S-Energy Solar Panels Review - SolarReviews\](https://www.solarreviews.com/blog/s-energy-solar-panels-review) \- \[S-Energy Solar Panels - EnergySage\](https://www.energysage.com/solar-panels/s-energy/) \- \[S-Energy solar panels review 2026 - A1 SolarStore\](https://a1solarstore.com/blog/s-energy-solar-panels-review-samsungs-little-sister.html) \- \[A.B. Energy SRLS - ENF Solar\](https://www.enfsolar.com/a-b-energy) Written by claude-sonnet from the figures above. ## Other comparisons - [S-Energy vs AE Solar](https://comparepv.com/s-energy-vs-ae-solar) - [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy) - [S-Energy vs AIKO](https://comparepv.com/s-energy-vs-aiko) - [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy) - [S-Energy vs ARTsolar](https://comparepv.com/s-energy-vs-artsolar) - [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy) --- Source: https://comparepv.com/s-energy-vs-a-b-energy Not in this file, on the page: the distributions above drawn as charts.