---
title: "Heckert Solar vs Luxen Solar Energy - Brand Comparison | ComparePV"
description: "Compare Heckert Solar vs Luxen Solar Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/heckert-solar-vs-luxen-solar-energy"
---

# Heckert Solar vs Luxen Solar Energy

Heckert Solar has the broader catalog (155 vs 151 models). Luxen Solar Energy leads on peak efficiency at 24.80%.


## The two companies


| Attribute | Heckert Solar | Luxen Solar Energy |
| --- | --- | --- |
| Country | Germany | China |
| Headquarters | Chemnitz | Suzhou |
| Founded | 1992 | 2005 |
| Employees | 201 | 500+ |
| Annual capacity | 0.8 GW/year | 3 GW/year |
| Tier 1 |  | yes |
| Listed |  |  |
| Website | [https://www.heckertsolar.com/en/](https://www.heckertsolar.com/en/) | [http://www.luxensolar.com](http://www.luxensolar.com) |

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...

Luxen Solar is a global company dedicated to the production and sales of high-power, low-attenuation solar photovoltaic modules. The company was founded in Spain and has since established manufacturing facilities and branches in various countries. Luxen is recognized as a Tier 1 manufacturer by BloombergNEF and is...


## Catalog & Power


| Measure | Heckert Solar | Luxen Solar Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 155 | 151 | +4 |
| Max Power | 715 W | 720 W | +5 W |
| Avg Power | 420 W | 567 W | +147 W |


## Efficiency


| Measure | Heckert Solar | Luxen Solar Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.30% | 24.80% | +0.50 pp |
| Avg Efficiency | 21.43% | 22.42% | +0.99 pp |


## Reliability & Warranty


| Measure | Heckert Solar | Luxen Solar Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.318%/°C | -0.293%/°C | +0.025 |
| Bifacial Share | 65 (42%) | 78 (52%) | +10 pp |
| Avg Warranty | 27.1 yrs | 29.6 yrs | +2.5 yr |


## Efficiency distribution

Heckert Solar skews to higher efficiency: 17% of lineup is 23%+


| Efficiency band | Heckert Solar | Luxen Solar Energy |
| --- | --- | --- |
| \<20% | 27 (17.4%) | 0 |
| 20-21% | 54 (34.8%) | 2 (1.3%) |
| 21-22% | 3 (1.9%) | 28 (18.5%) |
| 22-23% | 44 (28.4%) | 104 (68.9%) |
| 23%+ | 27 (17.4%) | 17 (11.3%) |


## Power distribution

Luxen Solar Energy offers more 600W+ panels (43% of lineup)


| Power band | Heckert Solar | Luxen Solar Energy |
| --- | --- | --- |
| \<400W | 64 (41.3%) | 0 |
| 400-499W | 83 (53.5%) | 42 (27.8%) |
| 600-699W | 4 (2.6%) | 58 (38.4%) |
| 700W+ | 4 (2.6%) | 7 (4.6%) |
| 500-599W | 0 | 44 (29.1%) |


## Cell technology

Dominant cell tech: **TOPCon** (34%)

Dominant cell tech: **N-type** (81%)


| Technology | Heckert Solar | Luxen Solar Energy |
| --- | --- | --- |
| TOPCon | 52 (33.5%) | 1 (0.7%) |
| PERC | 46 (29.7%) | 10 (6.6%) |
| Unknown | 35 (22.6%) | 3 (2.0%) |
| Back Contact | 20 (12.9%) | 14 (9.3%) |
| N-type | 2 (1.3%) | 123 (81.5%) |


## Top panels, Heckert Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ZEUS 2.2 715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 2 | [ZEUS 2.2-715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715-1) | 715 | 23.0 | -0.280 | Monocrystalline |
| 3 | [ZEUS 2.2 710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 4 | [ZEUS 2.2-710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710-1) | 710 | 22.9 | -0.280 | Monocrystalline |
| 5 | [ZEUS 2.1-640](https://comparepv.com/panel/heckert-solar-zeus-2-1-640) | 640 | 23.7 | -0.280 | Monocrystalline |
| 6 | [ZEUS 2.1 640W](https://comparepv.com/panel/heckert-solar-zeus-2-1-640w) | 640 | 23.7 | -0.280 | Monocrystalline |
| 7 | [ZEUS 2.1-635](https://comparepv.com/panel/heckert-solar-zeus-2-1-635) | 635 | 23.5 | -0.280 | Monocrystalline |
| 8 | [ZEUS 2.1 635W](https://comparepv.com/panel/heckert-solar-zeus-2-1-635w) | 635 | 23.5 | -0.280 | Monocrystalline |
| 9 | [ZEUS 3.0+ 108 490WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp) | 490 | 24.0 | -0.260 | Monocrystalline |
| 10 | [ZEUS 3.0+ 108 490WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp-performance) | 490 | 24.0 | -0.260 | Monocrystalline |


## Top panels, Luxen Solar Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [LNET-720ND](https://comparepv.com/panel/luxen-solar-energy-lnet-720nd) | 720 | 23.2 | -0.300 | Monocrystalline |
| 2 | [LNET-715ND](https://comparepv.com/panel/luxen-solar-energy-lnet-715nd) | 715 | 23.0 | -0.300 | Monocrystalline |
| 3 | [LNET-710ND](https://comparepv.com/panel/luxen-solar-energy-lnet-710nd) | 710 | 22.9 | -0.300 | Monocrystalline |
| 4 | [LNET-705N](https://comparepv.com/panel/luxen-solar-energy-lnet-705n) | 705 | 22.7 | -0.290 | Monocrystalline |
| 5 | [LNET-705ND](https://comparepv.com/panel/luxen-solar-energy-lnet-705nd) | 705 | 22.7 | -0.300 | Monocrystalline |
| 6 | [LNET-700N](https://comparepv.com/panel/luxen-solar-energy-lnet-700n) | 700 | 22.5 | -0.290 | Monocrystalline |
| 7 | [LNET-700ND](https://comparepv.com/panel/luxen-solar-energy-lnet-700nd) | 700 | 22.5 | -0.300 | Monocrystalline |
| 8 | [LNET-695ND](https://comparepv.com/panel/luxen-solar-energy-lnet-695nd) | 695 | 22.4 | -0.300 | Monocrystalline |
| 9 | [LNET-695N](https://comparepv.com/panel/luxen-solar-energy-lnet-695n) | 695 | 22.4 | -0.290 | Monocrystalline |
| 10 | [LNET-690N](https://comparepv.com/panel/luxen-solar-energy-lnet-690n) | 690 | 22.2 | -0.290 | Monocrystalline |


## Summary

Heckert Solar is a German manufacturer headquartered in Chemnitz, Saxony, operating since 1992 and manufacturing exclusively at its Chemnitz and Langenwetzendorf facilities. The company holds BloombergNEF Tier 1 status for five consecutive years (its 17th confirmation as of Q1 2026) and was ranked 18th in Wood Mackenzie's 2025 global PV module manufacturer list, the only Europe-headquartered company in that top 20. Its production scale is modest, however, at roughly 800-900 MW per year. Luxen Solar Energy is a Chinese manufacturer founded in 2005, with its own factory in Nantong, Jiangsu Province, established in 2011, and also carries BloombergNEF Tier 1 status, most recently reconfirmed for Q4 2024. Its production capacity currently sits around 3 GW annually, with stated plans to expand toward 10 GW, giving Luxen a clear scale advantage over Heckert, although Heckert holds a stronger institutional footprint as one of the last manufacturers producing modules entirely in Germany.

Heckert's product lineup targets residential and small commercial rooftop installations in the German and broader European market, including the NeMo series (monofacial glass-foil PERC modules), the Zeus series (bifacial glass-glass modules using n-type TOPCon, up to 23.5% efficiency and a 30-year product and performance warranty), and the newer Apollon series built on TOPCon cells at the Chemnitz plant. Luxen Solar Energy centers its offering on N-type TOPCon modules introduced in 2022, delivering average efficiencies around 21.4 percent with top models reaching 22.3 percent, and serves both residential rooftop buyers and larger commercial or utility-scale projects that benefit from its higher production volume. Both manufacturers are shifting from legacy PERC toward TOPCon, though Heckert still carries a substantial PERC share in its current portfolio.

For a typical international buyer, the choice comes down to priorities rather than a clear winner. Heckert Solar suits buyers who value European-made modules, short delivery times, and a long-established quality reputation, at a price premium and with more limited volume availability. Luxen Solar Energy, backed by larger production capacity and competitive pricing while retaining Tier 1 status, is better suited to commercial and utility-scale projects where volume and cost per watt matter most. Both brands are bankable and credible, so the decision is essentially a trade-off between manufacturing origin and scale versus price.

Written by claude-sonnet-5 from the figures above.


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Source: https://comparepv.com/heckert-solar-vs-luxen-solar-energy

Not in this file, on the page: the distributions above drawn as charts.