Heckert Solar vs Sunova - solar panel manufacturer comparison
Sunova has the broader catalog (183 vs 155 models). Heckert Solar leads on peak efficiency at 24.30%. Sunova leans bifacial (92% 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%+
Sunova offers more 600W+ panels (22% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (34%)
Dominant cell tech: <strong>PERC</strong> (49%)
The flagships
Written summary
Heckert Solar is a German manufacturer headquartered in Chemnitz, founded in 2001, producing entirely in Germany across plants in Chemnitz and Langenwetzendorf with a nominal capacity of roughly 0.8 to 0.9 GWp per year. It does not appear on BloombergNEF's Tier 1 list, but it positions itself around Made-in-Germany provenance, EU supply-chain traceability, and long standing in export markets, including Poland where it sells through authorized distributors. Sunova, by contrast, is a Chinese manufacturer confirmed as a BNEF Tier 1 module maker, operating at a much larger scale, with reported module capacity moving from roughly 4.2 GW toward 5.5 GW across factories in China and Vietnam, plus a newer 9 GW cell facility in Sichuan. On institutional footprint and manufacturing scale, Sunova clearly outweighs Heckert Solar, while Heckert compensates with regional manufacturing credentials that some European buyers value.
Heckert Solar's product line centers on the ZEUS series using N-type TOPCon and newer back-contact cells, with the flagship ZEUS 3.0+ reaching up to 490 W and around 24.5 percent module efficiency, aimed primarily at residential rooftops and smaller commercial jobs, with ZEUS 2.1 and 2.2 variants for larger C&I installations. Sunova spans a wider power range, from about 400 W up to over 700 W, mixing PERC, N-type, and TOPCon technology through its Thor series, with bifacial modules marketed for both utility-scale ground-mount plants and lighter panels suited to residential and space-constrained roofs.
For a typical buyer, the choice comes down to priorities rather than a clear quality gap: Heckert Solar suits projects where European origin and shorter supply chains matter, while Sunova tends to offer more competitive pricing and stronger bankability for larger, financed projects thanks to its Tier 1 status. Since both brands field credible TOPCon based products, for an average rooftop installation the practical differences are relatively modest.
Generated by Claude Sonnet 5 · 2026-09-14
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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.