--- title: "DualSun vs A.B. Energy - Brand Comparison | ComparePV" description: "Compare DualSun vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/dualsun-vs-a-b-energy" --- # DualSun vs A.B. Energy DualSun has the broader catalog (6 vs 0 models). DualSun leans bifacial (33% of lineup). ## The two companies | Attribute | DualSun | A.B. Energy | | --- | --- | --- | | Country | France | Germany | | Headquarters | Marseille | Wiesbaden | | Founded | 2010 | 1996 | | Employees | 50-100 | 1,400 | | Annual capacity | | | | Tier 1 | | | | Listed | | Xetra, Frankfurt Stock Exchange: AB9 | | Website | [https://dualsun.com](https://dualsun.com) | [https://abo-energy.com](https://abo-energy.com) | DualSun is a French manufacturer specializing in hybrid solar panels that simultaneously generate electricity (photovoltaic) and hot water (thermal), marketed as PVT panels. The company produces both its flagship SPRING hybrid panel and the FLASH high-performance PV panel, with R&D based in Marseille and module... 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 | DualSun | A.B. Energy | Margin | | --- | --- | --- | --- | | Panel Models | 6 | 0 | +6 | | Max Power | 500 W | 0 W | +500 W | | Avg Power | 442 W | 0 W | +442 W | ## Efficiency | Measure | DualSun | A.B. Energy | Margin | | --- | --- | --- | --- | | Max Efficiency | 22.00% | - | | | Avg Efficiency | 21.67% | - | | ## Reliability & Warranty | Measure | DualSun | A.B. Energy | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.313%/°C | - | | | Bifacial Share | 2 (33%) | 0 (0%) | +33 pp | | Avg Warranty | 30.0 yrs | - | | ## Efficiency distribution | Efficiency band | DualSun | A.B. Energy | | --- | --- | --- | | 20-21% | 1 (16.7%) | 0 | | 21-22% | 4 (66.7%) | 0 | | 22-23% | 1 (16.7%) | 0 | ## Power distribution | Power band | DualSun | A.B. Energy | | --- | --- | --- | | 400-499W | 5 (83.3%) | 0 | | 500-599W | 1 (16.7%) | 0 | ## Cell technology Dominant cell tech: **TOPCon** (83%) | Technology | DualSun | A.B. Energy | | --- | --- | --- | | TOPCon | 5 (83.3%) | 0 | | PERC | 1 (16.7%) | 0 | ## Top panels, DualSun | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [DS500-132M10B-01](https://comparepv.com/panel/dualsun-ds500-132m10b-01) | 500 | 20.8 | -0.360 | Monocrystalline | | 2 | [DS450-108M10TB-03](https://comparepv.com/panel/huasun-ds450-108m10tb-03) | 450 | 22.0 | -0.280 | Monocrystalline | | 3 | [DS425-108M10TB-03](https://comparepv.com/panel/huasun-ds425-108m10tb-03) | 425 | 21.8 | -0.310 | Monocrystalline | | 4 | [SPRING4 425 TOPCon NI](https://comparepv.com/panel/huasun-spring4-425-topcon-ni) | 425 | 21.8 | -0.310 | Monocrystalline | | 5 | [SPRING4 425 TOPCon F](https://comparepv.com/panel/huasun-spring4-425-topcon-f) | 425 | 21.8 | -0.310 | Monocrystalline | | 6 | [SPRING4 425 TOPCon I](https://comparepv.com/panel/dualsun-spring4-425-topcon-i) | 425 | 21.8 | -0.310 | Monocrystalline | ## Summary DualSun is a French solar panel manufacturer founded in 2010 in Marseille, with assembly operations in France and, more recently, through a partnership with an Austrian facility (Sonnenkraft) that adds up to 500 MW of annual production capacity. The company claims roughly 20% of the French residential solar market and reported approximately EUR 40 million in revenue in 2024. It has earned the Top Brand PV label in France for multiple consecutive years, reflecting strong installer recognition, though it does not appear on BloombergNEF's Tier 1 bankability list, which typically tracks large-scale global module producers. A.B. Energy is a considerably smaller Italian firm - described in industry directories as a distributor and integrator that grew out of decades of experience in electric and electronic equipment - rather than a vertically integrated panel manufacturer. Public information on A.B. Energy's production volumes, certifications, or institutional footprint is essentially absent from major industry sources, making a direct like-for-like comparison difficult. DualSun holds the substantially stronger institutional profile of the two. DualSun's product range centers on two families: the FLASH, a pure photovoltaic panel aimed at residential rooftops using TOPCon cell technology and carrying a quoted 30-year performance guarantee, and the SPRING, a hybrid photovoltaic-thermal (PVT) panel that simultaneously generates electricity and domestic hot water. Both lines are available in a Shingle cell configuration for improved low-light performance and crack resilience. Independent testing by France's INES and CEA institutes confirmed the SPRING's leading thermal output among comparable PVT modules. These are premium products targeting European homeowners who want high self-consumption rates and reduced water-heating costs. A.B. Energy, by contrast, appears to operate as a channel partner distributing third-party panels and energy-efficiency products in Italy, without a confirmed proprietary module range. For a typical European residential buyer in 2025, DualSun is the more substantiated choice - especially for any household interested in combining electricity generation with solar thermal, a niche where the SPRING has independent validation. A.B. Energy may function adequately as a local Italian installer or reseller, but buyers seeking a verified manufacturer with traceable production and warranty depth should prioritize DualSun or another established name. \---LINKS--- \- https://www.pv-magazine.com/2024/12/17/dualsun-presents-heat-pump-compatible-residential-pvt-panel/ \| Dualsun presents heat pump-compatible residential PVT panel \| article \- https://www.pv-magazine.com/2024/04/24/dualsun-launches-foldable-plug-and-play-solar-kits/ \| DualSun launches foldable plug-and-play solar kits \| article \- https://energypal.com/best-solar-panels-for-homes/dualsun \| DualSun - Best Solar Panels for Homes 2025 - EnergyPal Buyer Guide \| review \- https://strategicenergy.eu/dualsun-technology-panels/ \| DualSun drives solar self-consumption with hybrid panels and IoT \| article \- https://www.enfsolar.com/a-b-energy \| A.B. Energy srls - ENF Solar company profile Italy \| article Sources: \- \[Dualsun presents heat pump-compatible residential PVT panel\](https://www.pv-magazine.com/2024/12/17/dualsun-presents-heat-pump-compatible-residential-pvt-panel/) \- \[DualSun launches foldable plug-and-play solar kits\](https://www.pv-magazine.com/2024/04/24/dualsun-launches-foldable-plug-and-play-solar-kits/) \- \[DualSun - Best Solar Panels for Homes 2025 - EnergyPal\](https://energypal.com/best-solar-panels-for-homes/dualsun) \- \[DualSun drives solar self-consumption with hybrid panels and IoT\](https://strategicenergy.eu/dualsun-technology-panels/) \- \[A.B. Energy srls - ENF Solar company profile\](https://www.enfsolar.com/a-b-energy) Written by claude-sonnet from the figures above. ## Other comparisons - [DualSun vs AE Solar](https://comparepv.com/dualsun-vs-ae-solar) - [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy) - [DualSun vs AIKO](https://comparepv.com/dualsun-vs-aiko) - [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy) - [DualSun vs ARTsolar](https://comparepv.com/dualsun-vs-artsolar) - [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy) --- Source: https://comparepv.com/dualsun-vs-a-b-energy Not in this file, on the page: the distributions above drawn as charts.