---
title: "Goldi Solar vs Heckert Solar - Brand Comparison | ComparePV"
description: "Compare Goldi Solar vs Heckert Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/goldi-solar-vs-heckert-solar"
image: "https://comparepv.com/og/compare/manufacturers/goldi-solar/heckert-solar.png"
---

# Goldi Solar vs Heckert Solar

Heckert Solar has the broader catalog (157 vs 145 models). Heckert Solar leads on peak efficiency at 24.30%. Goldi Solar leans bifacial (79% of lineup).


## The two companies


| Attribute | Goldi Solar | Heckert Solar |
| --- | --- | --- |
| Country | India | Germany |
| Headquarters | Surat | Chemnitz |
| Founded | 2011 | 1992 |
| Employees | 250-499 Employees | 201 |
| Annual capacity | 15.2 GW/year | 0.8 GW/year |
| Tier 1 | yes |  |
| Listed |  |  |
| Website | [http://www.goldisolar.com](http://www.goldisolar.com) | [https://www.heckertsolar.com/en/](https://www.heckertsolar.com/en/) |

Goldi Solar is a leading Indian solar PV module manufacturer and EPC service provider committed to accelerating the transition to sustainable energy. Established in 2011 and headquartered in Surat, Gujarat, the company offers cutting-edge solar solutions that power industries, businesses, and communities across more...

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 | Goldi Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 145 | 157 | +12 |
| Max Power | 715 W | 715 W |  |
| Avg Power | 513 W | 420 W | +93 W |


## Efficiency


| Measure | Goldi Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.03% | 24.30% | +1.27 pp |
| Avg Efficiency | 21.16% | 21.46% | +0.30 pp |


## Reliability & Warranty


| Measure | Goldi Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.326%/°C | -0.317%/°C | +0.009 |
| Bifacial Share | 115 (79%) | 67 (43%) | +37 pp |
| Avg Warranty | 27.6 yrs | 27.1 yrs | +0.4 yr |


## Efficiency distribution

Heckert Solar skews to higher efficiency: 18% of lineup is 23%+


| Efficiency band | Goldi Solar | Heckert Solar |
| --- | --- | --- |
| \<20% | 4 (2.8%) | 27 (17.2%) |
| 20-21% | 67 (46.2%) | 54 (34.4%) |
| 21-22% | 47 (32.4%) | 3 (1.9%) |
| 22-23% | 25 (17.2%) | 44 (28.0%) |
| 23%+ | 2 (1.4%) | 29 (18.5%) |


## Power distribution

Goldi Solar offers more 600W+ panels (13% of lineup)


| Power band | Goldi Solar | Heckert Solar |
| --- | --- | --- |
| \<400W | 8 (5.5%) | 65 (41.4%) |
| 400-499W | 59 (40.7%) | 84 (53.5%) |
| 500-599W | 59 (40.7%) | 0 |
| 600-699W | 12 (8.3%) | 4 (2.5%) |
| 700W+ | 7 (4.8%) | 4 (2.5%) |


## Cell technology

Dominant cell tech: PERC (74%)

Dominant cell tech: TOPCon (33%)


| Technology | Goldi Solar | Heckert Solar |
| --- | --- | --- |
| PERC | 107 (73.8%) | 46 (29.3%) |
| TOPCon | 31 (21.4%) | 52 (33.1%) |
| HJT | 7 (4.8%) | 0 |
| Unknown | 0 | 35 (22.3%) |
| Back Contact | 0 | 22 (14.0%) |
| N-type | 0 | 2 (1.3%) |


## Top panels, Goldi Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GS12-T132-GF-715](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 2 | [GS12-T132-GF-710](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 3 | [G12 Series 710Wp](https://comparepv.com/panel/goldi-solar-g12-series-710wp) | 710 | 22.9 | -0.259 | Monocrystalline |
| 4 | [GS12-T132-GF-705](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-705) | 705 | 22.7 | -0.280 | Monocrystalline |
| 5 | [G12 Series 705Wp](https://comparepv.com/panel/goldi-solar-g12-series-705wp) | 705 | 22.7 | -0.259 | Monocrystalline |
| 6 | [GS12-T132-GF-700](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-700) | 700 | 22.5 | -0.280 | Monocrystalline |
| 7 | [G12 Series 700Wp](https://comparepv.com/panel/goldi-solar-g12-series-700wp) | 700 | 22.5 | -0.259 | Monocrystalline |
| 8 | [GS12-T132-GF-695](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-695) | 695 | 22.4 | -0.280 | Monocrystalline |
| 9 | [G12 Series 695Wp](https://comparepv.com/panel/goldi-solar-g12-series-695wp) | 695 | 22.4 | -0.259 | Monocrystalline |
| 10 | [GS12-T132-GF-690](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-690) | 690 | 22.2 | -0.280 | 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 495WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-495wp-performance) | 495 | 24.2 | -0.260 | Monocrystalline |
| 10 | [ZEUS 3.0+ 108 490WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp) | 490 | 24.0 | -0.260 | Monocrystalline |


## Summary

Goldi Solar is an Indian module manufacturer headquartered in Surat, Gujarat, founded in 2011 by Bharat Bhut and Ishver Dholakiya. It secured Bloomberg NEF Bankable Tier 1 status back in 2020 and has since scaled aggressively, growing from roughly 2.5 GW of module capacity in FY2022-23 to a targeted 14-15 GW by the end of 2025, alongside new in-house cell production. Heckert Solar, by contrast, is a German manufacturer based in Chemnitz, Saxony, operating since 2001 with a second plant in Langenwetzendorf, Thuringia, but its output remains far smaller at roughly 0.8-0.9 GW per year, and no confirmed BloombergNEF Tier 1 listing appears in public sources. On institutional footprint and documented bankability, Goldi Solar is clearly the heavier hitter, while Heckert Solar competes instead on its German manufacturing pedigree and localized supply chain.

Both companies serve residential and commercial segments, but with different emphasis. Goldi Solar's catalog spans 390 to 715 Wp modules built mainly on PERC cells (about 74 percent of its lineup) with a growing TOPCon share (around 26 percent), and it has recently added heterojunction panels under its HELOC Plus series, targeting both rooftop and utility-scale projects. Heckert Solar leans into premium European manufacturing, with its flagship ZEUS 3.0+ series using N-type ABC back-contact cells in a bifacial glass-glass laminate reaching up to 490 W and 24.5 percent module efficiency, plus the NEMO family for residential rooftops; it also supplies inverters and mounting systems, giving it a more vertically integrated offering for German and wider European installers.

For buyers prioritizing scale, competitive pricing, and documented bank financing credentials, Goldi Solar is generally the safer default, particularly for larger or debt-financed projects. Heckert Solar remains a sound choice where European provenance, shorter supply chains, and a bundled component ecosystem matter more than sheer manufacturing scale, though its smaller output and lack of a confirmed Tier 1 listing can be a constraint for certain project financing structures.

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


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- [AIKO vs Heckert Solar](https://comparepv.com/aiko-vs-heckert-solar)
- [Goldi Solar vs AKCOME](https://comparepv.com/goldi-solar-vs-akcome)
- [ARTsolar vs Heckert Solar](https://comparepv.com/artsolar-vs-heckert-solar)


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

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