--- title: "GL Solar vs A.B. Energy - Brand Comparison | ComparePV" description: "Compare GL Solar vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/gl-solar-vs-a-b-energy" --- # GL Solar vs A.B. Energy GL Solar has the broader catalog (13 vs 0 models). GL Solar leans bifacial (100% of lineup). ## The two companies | Attribute | GL Solar | A.B. Energy | | --- | --- | --- | | Country | Italy | Germany | | Headquarters | Marcianise | Wiesbaden | | Founded | 2000 | 1996 | | Employees | 1-10 | 1,400 | | Annual capacity | | | | Tier 1 | | | | Listed | | Xetra, Frankfurt Stock Exchange: AB9 | | Website | [https://www.glsolarenergy.it](https://www.glsolarenergy.it) | [https://abo-energy.com](https://abo-energy.com) | GL Solar Energy s.r.l. is a small Italian company based in Marcianise (Caserta) specializing in the design, production, and installation of photovoltaic systems for residential and industrial applications. The company also distributes solar panels and related equipment, working with major international brands such as... 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 | GL Solar | A.B. Energy | Margin | | --- | --- | --- | --- | | Panel Models | 13 | 0 | +13 | | Max Power | 640 W | 0 W | +640 W | | Avg Power | 603 W | 0 W | +603 W | ## Efficiency | Measure | GL Solar | A.B. Energy | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.60% | - | | | Avg Efficiency | 22.61% | - | | ## Reliability & Warranty | Measure | GL Solar | A.B. Energy | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.274%/°C | - | | | Bifacial Share | 13 (100%) | 0 (0%) | +100 pp | | Avg Warranty | 30.0 yrs | - | | ## Efficiency distribution GL Solar skews to higher efficiency: 38% of lineup is 23%+ | Efficiency band | GL Solar | A.B. Energy | | --- | --- | --- | | 21-22% | 3 (23.1%) | 0 | | 22-23% | 5 (38.5%) | 0 | | 23%+ | 5 (38.5%) | 0 | ## Power distribution GL Solar offers more 600W+ panels (77% of lineup) | Power band | GL Solar | A.B. Energy | | --- | --- | --- | | 400-499W | 1 (7.7%) | 0 | | 500-599W | 2 (15.4%) | 0 | | 600-699W | 10 (76.9%) | 0 | ## Cell technology Dominant cell tech: **HJT** (54%) | Technology | GL Solar | A.B. Energy | | --- | --- | --- | | HJT | 7 (53.8%) | 0 | | TOPCon | 6 (46.2%) | 0 | ## Top panels, GL Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [3SHBGH-C#-640](https://comparepv.com/panel/gl-solar-3shbgh-c-640) | 640 | 22.6 | -0.260 | Monocrystalline | | 2 | [3SHBGH-C#-635](https://comparepv.com/panel/gl-solar-3shbgh-c-635) | 635 | 22.4 | -0.260 | Monocrystalline | | 3 | [3SHBGH-C#-630](https://comparepv.com/panel/gl-solar-3shbgh-c-630) | 630 | 22.3 | -0.260 | Monocrystalline | | 4 | [3SHBGH-C#-625](https://comparepv.com/panel/gl-solar-3shbgh-c-625) | 625 | 22.1 | -0.260 | Monocrystalline | | 5 | [3SHBGH-C#-620](https://comparepv.com/panel/gl-solar-3shbgh-c-620) | 620 | 21.9 | -0.260 | Monocrystalline | | 6 | [3SHBGH-C#-615](https://comparepv.com/panel/gl-solar-3shbgh-c-615) | 615 | 21.7 | -0.260 | Monocrystalline | | 7 | [3SHBGH-C#-610](https://comparepv.com/panel/gl-solar-3shbgh-c-610) | 610 | 21.6 | -0.260 | Monocrystalline | | 8 | [HY-NT10/72GDF-610W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-610w) | 610 | 23.6 | -0.290 | Monocrystalline | | 9 | [HY-NT10/72GDF-605W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-605w) | 605 | 23.4 | -0.290 | Monocrystalline | | 10 | [HY-NT10/72GDF-600W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-600w) | 600 | 23.2 | -0.290 | Monocrystalline | ## Summary GL Solar Energy is a small Italian photovoltaic company founded in 2000 and headquartered in Marcianise, in the Campania region. It operates primarily as a regional producer and installer of PV modules for stand-alone applications, certified to ISO 9001:2008 and recognised as a Fronius Service Partner since 2009. With a reported headcount of under twenty employees, its scale is firmly local. A.B. Energy srls is also Italy-based, operating chiefly as a distributor of solar components - sourcing panels from global brands such as JA Solar, Trina Solar, and LONGi, and inverters from SMA, Fronius, and SolarEdge. Neither company appears on BloombergNEF or comparable Tier 1 manufacturer rankings, which reflects their niche positioning. Of the two, A.B. Energy carries a wider portfolio by virtue of its multi-brand distribution model, giving it a marginally broader domestic reach. GL Solar typically serves residential and light commercial customers in southern Italy, with a focus on off-grid and stand-alone system design. A.B. Energy, in addition to distributing established global brands, appears to offer some house-branded products - ENF Solar's panel directory lists an N-Type TOPCon bifacial module under the A.B. Energy label, alongside inverter offerings in the 3-6 kW residential range. This positions A.B. Energy as a one-stop shop for customers who want panels, inverters, and system components from a single point of contact. For a typical buyer in 2025 seeking solid bankability and long-term manufacturer support, neither brand competes with the major Tier 1 producers. GL Solar is best suited to buyers who prioritise local Italian expertise and hands-on technical support for off-grid projects. A.B. Energy is the more flexible option for grid-tied residential installations, particularly because it can supply proven panels from the very global manufacturers it distributes alongside its own-label alternatives. \---LINKS--- \- https://www.enfsolar.com/gl-solar \| GL Solar Solutions Italy - ENF Solar company profile \| article \- https://www.enfsolar.com/a-b-energy \| A.B. Energy srls Italy - ENF Solar company profile \| article \- https://www.enfsolar.com/pv/panel-datasheet/crystalline/62342 \| A.B. Energy N-Type TOPCon bifacial panel datasheet - ENF Solar \| article Sources: \- \[GL Solar Solutions Italy - ENF Solar\](https://www.enfsolar.com/gl-solar) \- \[A.B. Energy srls Italy - ENF Solar\](https://www.enfsolar.com/a-b-energy) \- \[A.B. Energy N-Type TOPCon bifacial panel datasheet\](https://www.enfsolar.com/pv/panel-datasheet/crystalline/62342) \- \[GL Solar Energy SRL - 6sense company information\](https://6sense.com/company/gl-solar-energy-srl/627b164d7925586bf033ee08) Written by claude-sonnet from the figures above. ## Other comparisons - [GL Solar vs AE Solar](https://comparepv.com/gl-solar-vs-ae-solar) - [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy) - [GL Solar vs AIKO](https://comparepv.com/gl-solar-vs-aiko) - [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy) - [GL Solar vs ARTsolar](https://comparepv.com/gl-solar-vs-artsolar) - [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy) --- Source: https://comparepv.com/gl-solar-vs-a-b-energy Not in this file, on the page: the distributions above drawn as charts.