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

# Heckert Solar vs Solar N Plus

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).


## The two companies


| Attribute | Heckert Solar | Solar N Plus |
| --- | --- | --- |
| Country | Germany |  |
| Headquarters | Chemnitz |  |
| Founded | 1992 |  |
| Employees | 201 |  |
| Annual capacity | 0.8 GW/year |  |
| Tier 1 |  | no |
| Listed |  |  |
| Website | [https://www.heckertsolar.com/en/](https://www.heckertsolar.com/en/) |  |

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...


## Catalog & Power


| Measure | Heckert Solar | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Panel Models | 155 | 149 | +6 |
| Max Power | 715 W | 720 W | +5 W |
| Avg Power | 420 W | 506 W | +86 W |


## Efficiency


| Measure | Heckert Solar | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.30% | 23.30% | +1.00 pp |
| Avg Efficiency | 21.43% | 21.96% | +0.53 pp |


## Reliability & Warranty


| Measure | Heckert Solar | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.318%/°C | -0.316%/°C | +0.002 |
| Bifacial Share | 65 (42%) | 111 (74%) | +33 pp |
| Avg Warranty | 27.1 yrs | 29.7 yrs | +2.6 yr |


## Efficiency distribution

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


| Efficiency band | Heckert Solar | Solar N Plus |
| --- | --- | --- |
| \<20% | 27 (17.4%) | 0 |
| 20-21% | 54 (34.8%) | 21 (14.1%) |
| 21-22% | 3 (1.9%) | 42 (28.2%) |
| 22-23% | 44 (28.4%) | 70 (47.0%) |
| 23%+ | 27 (17.4%) | 16 (10.7%) |


## Power distribution

Solar N Plus offers more 600W+ panels (19% of lineup)


| Power band | Heckert Solar | Solar N Plus |
| --- | --- | --- |
| \<400W | 64 (41.3%) | 7 (4.7%) |
| 400-499W | 83 (53.5%) | 77 (51.7%) |
| 600-699W | 4 (2.6%) | 19 (12.8%) |
| 700W+ | 4 (2.6%) | 10 (6.7%) |
| 500-599W | 0 | 36 (24.2%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (56%)


| Technology | Heckert Solar | Solar N Plus |
| --- | --- | --- |
| TOPCon | 52 (33.5%) | 83 (55.7%) |
| PERC | 46 (29.7%) | 35 (23.5%) |
| Unknown | 35 (22.6%) | 5 (3.4%) |
| Back Contact | 20 (12.9%) | 0 |
| N-type | 2 (1.3%) | 26 (17.4%) |


## 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, Solar N Plus


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SP-N18/132HG-720W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-720w) | 720 | 23.2 | -0.300 | Monocrystalline |
| 2 | [SP-N18/132HG 720](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 3 | [SP-N18/132HG-715W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-715w) | 715 | 23.0 | -0.300 | Monocrystalline |
| 4 | [SP-N18/132HG 715](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 5 | [SP-N18/132HG-710W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-710w) | 710 | 22.9 | -0.300 | Monocrystalline |
| 6 | [SP-N18/132HG 710](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-710) | 710 | 22.9 | -0.300 | Monocrystalline |
| 7 | [SP-N18/132HG-705W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-705w) | 705 | 22.7 | -0.300 | Monocrystalline |
| 8 | [SP-N18/132HG 705](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-705) | 705 | 22.7 | -0.300 | Monocrystalline |
| 9 | [SP-N18/132HG-700W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-700w) | 700 | 22.5 | -0.300 | Monocrystalline |
| 10 | [SP-N18/132HG 700](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-700) | 700 | 22.5 | -0.300 | Monocrystalline |


## 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.

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


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- [Heckert Solar vs AEET](https://comparepv.com/heckert-solar-vs-aeet)
- [AIKO vs Solar N Plus](https://comparepv.com/aiko-vs-solar-n-plus)
- [Heckert Solar vs AKCOME](https://comparepv.com/heckert-solar-vs-akcome)
- [ARTsolar vs Solar N Plus](https://comparepv.com/artsolar-vs-solar-n-plus)


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Source: https://comparepv.com/heckert-solar-vs-solar-n-plus

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