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

# Emmvee vs Heckert Solar

Emmvee has the broader catalog (166 vs 155 models). Heckert Solar leads on peak efficiency at 24.30%. Emmvee leans bifacial (55% of lineup).


## The two companies


| Attribute | Emmvee | Heckert Solar |
| --- | --- | --- |
| Country | India | Germany |
| Headquarters | Bengaluru | Chemnitz |
| Founded | 1992 | 1992 |
| Employees |  | 201 |
| Annual capacity |  | 0.8 GW/year |
| Tier 1 | no |  |
| Listed |  |  |
| Website | [https://www.emmveephotovoltaic.com](https://www.emmveephotovoltaic.com) | [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 | Emmvee | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 166 | 155 | +11 |
| Max Power | 720 W | 715 W | +5 W |
| Avg Power | 526 W | 420 W | +106 W |


## Efficiency


| Measure | Emmvee | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.51% | 24.30% | +0.79 pp |
| Avg Efficiency | 21.69% | 21.43% | +0.26 pp |


## Reliability & Warranty


| Measure | Emmvee | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.311%/°C | -0.318%/°C | +0.007 |
| Bifacial Share | 91 (55%) | 65 (42%) | +13 pp |
| Avg Warranty | 27.0 yrs | 27.1 yrs | +0.1 yr |


## Efficiency distribution

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


| Efficiency band | Emmvee | Heckert Solar |
| --- | --- | --- |
| \<20% | 1 (0.6%) | 27 (17.4%) |
| 20-21% | 48 (28.9%) | 54 (34.8%) |
| 21-22% | 47 (28.3%) | 3 (1.9%) |
| 22-23% | 54 (32.5%) | 44 (28.4%) |
| 23%+ | 16 (9.6%) | 27 (17.4%) |


## Power distribution

Emmvee offers more 600W+ panels (16% of lineup)


| Power band | Emmvee | Heckert Solar |
| --- | --- | --- |
| \<400W | 6 (3.6%) | 64 (41.3%) |
| 400-499W | 62 (37.3%) | 83 (53.5%) |
| 500-599W | 72 (43.4%) | 0 |
| 600-699W | 16 (9.6%) | 4 (2.6%) |
| 700W+ | 10 (6.0%) | 4 (2.6%) |


## Cell technology

Dominant cell tech: **TOPCon** (61%)

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


| Technology | Emmvee | Heckert Solar |
| --- | --- | --- |
| TOPCon | 102 (61.4%) | 52 (33.5%) |
| PERC | 63 (38.0%) | 46 (29.7%) |
| N-type | 1 (0.6%) | 2 (1.3%) |
| Unknown | 0 | 35 (22.6%) |
| Back Contact | 0 | 20 (12.9%) |


## Top panels, Emmvee


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [E720HCBG 132-T](https://comparepv.com/panel/emmvee-e720hcbg-132-t) | 720 | 23.2 | -0.290 | Monocrystalline |
| 2 | [E720HCBG132-T](https://comparepv.com/panel/emmvee-e720hcbg132-t) | 720 | 23.2 | -0.290 | Monocrystalline |
| 3 | [E715HCBG 132-T](https://comparepv.com/panel/emmvee-e715hcbg-132-t) | 715 | 23.0 | -0.290 | Monocrystalline |
| 4 | [E715HCBG132-T](https://comparepv.com/panel/emmvee-e715hcbg132-t) | 715 | 23.0 | -0.290 | Monocrystalline |
| 5 | [E710HCBG 132-T](https://comparepv.com/panel/emmvee-e710hcbg-132-t) | 710 | 22.9 | -0.290 | Monocrystalline |
| 6 | [E710HCBG132-T](https://comparepv.com/panel/emmvee-e710hcbg132-t) | 710 | 22.9 | -0.290 | Monocrystalline |
| 7 | [E705HCBG 132-T](https://comparepv.com/panel/emmvee-e705hcbg-132-t) | 705 | 22.7 | -0.290 | Monocrystalline |
| 8 | [E705HCBG132-T](https://comparepv.com/panel/emmvee-e705hcbg132-t) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [E700HCBG 132-T](https://comparepv.com/panel/emmvee-e700hcbg-132-t) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [E700HCBG132-T](https://comparepv.com/panel/emmvee-e700hcbg132-t) | 700 | 22.5 | -0.290 | Monocrystalline |


## 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 |


## Summary

Emmvee is an Indian module manufacturer headquartered in Bengaluru that has rapidly scaled production capacity, growing from roughly 7.8 GW of module capacity in early 2025 to over 10 GW of module and nearly 3 GW of cell capacity, with further expansion in Karnataka planned through 2028. In 2024 it became the only Indian manufacturer to pass all tests under Kiwa PVEL's Product Qualification Program, a strong signal for bankability. Heckert Solar, by contrast, is a German manufacturer based in Saxony (Chemnitz and Langenwetzendorf) with over three decades of history and a much smaller nominal capacity of roughly 900 MW per year, but it holds a distinct position as one of the few remaining producers making modules fully in Germany. In terms of raw manufacturing scale and recent third-party quality certification, Emmvee currently has the stronger institutional footprint.

Both companies have moved to n-type TOPCon cell technology as their current flagship offering. Emmvee's bifacial TOPCon modules are aimed at utility-scale, commercial, and rooftop segments, with stated conversion efficiencies approaching the mid-20s percent range. Heckert Solar maintains a broader spread of product lines by segment, from compact panels for single-family rooftops to larger commercial and industrial modules, plus large-format bifacial products such as the Zeus 1.1 series aimed at ground-mount and agri-PV installations.

For an international buyer, the choice comes down to priorities rather than a clear quality gap: Heckert Solar suits customers who value European manufacturing, shorter supply chains, and an established German brand, while Emmvee offers larger production scale, recent PVEL-validated reliability, and likely more competitive pricing for large volume or utility projects. Neither brand is a categorically superior default; they serve overlapping but distinct buyer profiles.

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


## Other comparisons

- [Emmvee vs A.B. Energy](https://comparepv.com/emmvee-vs-a-b-energy)
- [AE Solar vs Heckert Solar](https://comparepv.com/ae-solar-vs-heckert-solar)
- [Emmvee vs AEET](https://comparepv.com/emmvee-vs-aeet)
- [AIKO vs Heckert Solar](https://comparepv.com/aiko-vs-heckert-solar)
- [Emmvee vs AKCOME](https://comparepv.com/emmvee-vs-akcome)
- [ARTsolar vs Heckert Solar](https://comparepv.com/artsolar-vs-heckert-solar)


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Source: https://comparepv.com/emmvee-vs-heckert-solar

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