Heckert Solar vs Solar N Plus - solar panel manufacturer comparison
Heckert Solar has the broader catalog (155 vs 149 models). Heckert Solar leads on peak efficiency at 24.30%. Solar N Plus leans bifacial (74% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
Heckert Solar is a German company based in Chemnitz, Saxony, specializing in the development, production and distribution of solar modules. Founded in 1992, the company has become a leading supplier of photovoltaic products, serving customers in over 120 countries. They manufacture high-quality, durable, and efficient...
- Founded
- 1992
- Headquarters
- Chemnitz, Germany
- Annual capacity
- 0.8 GW/year
- Employees
- 201
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Heckert Solar skews to higher efficiency: 17% of lineup is 23%+
Solar N Plus offers more 600W+ panels (19% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (34%)
Dominant cell tech: <strong>TOPCon</strong> (56%)
The flagships
Written summary
Heckert Solar is a German module manufacturer headquartered in Chemnitz, Saxony, founded in 2001 with its first production line starting in 2003. It manufactures exclusively in Germany, at plants in Chemnitz and Langenwetzendorf, with an annual capacity of roughly 0.9 GW, placing it firmly in the boutique rather than mass-production category. Solar N Plus, by contrast, is a Chinese manufacturer headquartered in Chuzhou, Anhui, established in 2022, but already operating three production bases with a combined capacity of around 20 GW per year and another 10 GW under construction; it was named a BloombergNEF Tier 1 PV module manufacturer in Q3 2026, entering as the new entrant with the largest production capacity on the list. In terms of sheer scale and the speed of institutional recognition, Solar N Plus currently holds the stronger footprint, though Heckert Solar brings over two decades of track record and an established reputation in the European market.
Both companies build around n-type TOPCon cell technology with bifacial designs. Heckert Solar's Zeus 1.1, 2.1, 2.2 and 3.0 series span residential rooftop modules, commercial roof installations, and large ground-mount or agri-PV systems, with bifacial glass-glass panels reaching up to 720 Wp. Solar N Plus operates as a vertically integrated cell-and-module supplier focused primarily on utility-scale deployments and power station projects, offering bifacial TOPCon panels around 590 Wp, a profile that fits large project developers and EPC contractors more than individual homeowners.
For a buyer outside large-scale utility projects, Heckert Solar remains the steadier default thanks to its European supply chain, shorter warranty-service distance, and long-standing presence in German-speaking markets. Solar N Plus is a reasonable choice for large ground-mount or commercial portfolios where cost per watt and volume availability matter most, but its very recent Tier 1 status and short operating history warrant closer scrutiny of long-term bankability compared to a manufacturer with Heckert's multi-decade record.
Generated by Claude Sonnet 5 · 2026-10-01
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Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.