--- title: "A.B. Energy vs Sonnen - Brand Comparison | ComparePV" description: "Compare A.B. Energy vs Sonnen solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/a-b-energy-vs-sonnen" --- # A.B. Energy vs Sonnen Both brands are closely matched on catalog size, efficiency and bifacial share - the choice comes down to local availability, price and specific model features. ## The two companies | Attribute | A.B. Energy | Sonnen | | --- | --- | --- | | Country | Germany | Germany | | Headquarters | Wiesbaden | Wildpoldsried | | Founded | 1996 | 2010 | | Employees | 1,400 | 1000-2000 | | Annual capacity | | | | Tier 1 | | | | Listed | Xetra, Frankfurt Stock Exchange: AB9 | | | Website | [https://abo-energy.com](https://abo-energy.com) | [https://sonnengroup.com](https://sonnengroup.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... Sonnen is a German energy storage technology company specializing in intelligent home battery systems, most notably the sonnenBatterie — the world's first all-in-one lithium-ion home battery system commercially available. The company also develops virtual power plant (VPP) solutions and energy community platforms... ## Catalog & Power | Measure | A.B. Energy | Sonnen | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 0 | | | Max Power | 0 W | 0 W | | | Avg Power | 0 W | 0 W | | ## Efficiency | Measure | A.B. Energy | Sonnen | Margin | | --- | --- | --- | --- | | Max Efficiency | - | - | | | Avg Efficiency | - | - | | ## Reliability & Warranty | Measure | A.B. Energy | Sonnen | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | - | | | Bifacial Share | 0 (0%) | 0 (0%) | | | Avg Warranty | - | - | | ## Summary Sonnen is a German energy-storage company founded in 2010 and headquartered in Wildpoldsried, Bavaria. It built its reputation on intelligent home battery systems - specifically the sonnenBatterie line using lithium-iron-phosphate chemistry - rather than on photovoltaic module manufacturing. Shell acquired the company in 2019 for roughly 500 million euros, briefly making it one of the most institutionally backed residential-storage brands in Europe; Shell subsequently explored a resale of the business from 2023 onward. Sonnen does not appear on standard solar-panel Tier 1 or BloombergNEF module lists, because its core product is storage, not panels. A.B. Energy is a substantially smaller Italian company based in Catanzaro, Calabria, with roots in electric and electronic equipment distribution; it now positions itself as a distributor and integrator of solar-plus-storage solutions, reselling modules from established manufacturers such as JA Solar and Trina Solar alongside inverters from brands like SMA and Fronius. On institutional footprint alone, Sonnen is the far more recognised name globally. At the product level the two companies occupy very different roles in the solar supply chain. Sonnen's residential offering centres on the sonnenBatterie eco and ecoLinx systems - modular storage units designed to be paired with any third-party PV array and managed by a proprietary energy-management platform; the company has reported more than 90,000 installations globally. Because Sonnen does not manufacture solar panels itself, its cell-technology mix is not directly relevant to a panel buyer. A.B. Energy, by contrast, sources panels from established Asian manufacturers and acts as a regional distributor and installer, with a product catalogue that appears oriented toward residential and small-commercial systems in southern Italy. Its own-brand "BluE Series" all-in-one storage unit is listed on ENF Solar's directory, suggesting limited vertical integration beyond distribution. For a buyer looking specifically for solar panels, neither brand is a panel manufacturer in the conventional sense. Sonnen is the stronger choice if the priority is a premium, well-warranted home battery with smart-grid features and proven service history across multiple markets. A.B. Energy is relevant only to buyers in its local Italian market seeking a bundled distribution-and-installation service. Directly comparing them as if they were competing panel makers would misrepresent both businesses; a buyer should evaluate them against their actual product categories - storage systems and regional integration services, respectively - rather than as equivalent solar-module brands. \---LINKS--- \- https://en.wikipedia.org/wiki/Sonnen\_GmbH \| Sonnen GmbH - company history, Shell acquisition, founding \| article \- https://cleantechnica.com/2019/02/15/shell-acquires-sonnen/ \| Shell Acquires Sonnen - CleanTechnica 2019 \| article \- https://www.pv-magazine.com/2023/09/11/shell-looking-to-sell-sonnen/ \| Shell looking to sell Sonnen - PV Magazine 2023 \| article \- https://www.energysage.com/energy-storage/best-home-batteries/sonnen-eco-battery-review/ \| Sonnen Eco battery review - EnergySage \| review \- https://www.enfsolar.com/a-b-energy \| A.B. Energy srls profile - ENF Solar directory \| article Sources: \- \[Sonnen GmbH - Wikipedia\](https://en.wikipedia.org/wiki/Sonnen\_GmbH) \- \[Shell Acquires Sonnen - CleanTechnica\](https://cleantechnica.com/2019/02/15/shell-acquires-sonnen/) \- \[Shell looking to sell Sonnen - PV Magazine\](https://www.pv-magazine.com/2023/09/11/shell-looking-to-sell-sonnen/) \- \[Sonnen Eco battery review - EnergySage\](https://www.energysage.com/energy-storage/best-home-batteries/sonnen-eco-battery-review/) \- \[A.B. Energy srls - ENF Solar\](https://www.enfsolar.com/a-b-energy) Written by claude-sonnet from the figures above. ## Other comparisons - [A.B. Energy vs AE Solar](https://comparepv.com/a-b-energy-vs-ae-solar) - [AEET vs Sonnen](https://comparepv.com/aeet-vs-sonnen) - [A.B. Energy vs AIKO](https://comparepv.com/a-b-energy-vs-aiko) - [AKCOME vs Sonnen](https://comparepv.com/akcome-vs-sonnen) - [A.B. Energy vs ARTsolar](https://comparepv.com/a-b-energy-vs-artsolar) - [ASM vs Sonnen](https://comparepv.com/asm-vs-sonnen) --- Source: https://comparepv.com/a-b-energy-vs-sonnen