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

# DAH Solar vs DMEGC

DAH Solar has the broader catalog (363 vs 150 models). DMEGC leads on peak efficiency at 23.50%. DAH Solar leans bifacial (87% of lineup).


## The two companies


| Attribute | DAH Solar | DMEGC |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Hefei | Dongyang, Zhejiang Province |
| Founded | 2009 | 1980 |
| Employees | 2000+ | 18,831 |
| Annual capacity | 10 GW/year | 21 GW/year |
| Tier 1 | yes | yes |
| Listed |  | Shenzhen Stock Exchange: SZ: 002056 |
| Website | null | [https://www.dmegcsolar.com](https://www.dmegcsolar.com) |

DAH Solar is an innovation-driven and technology-leading company specializing in PV product manufacturing. They focus on R&D, manufacturing, and sales of high-efficiency PV modules, integrated PV systems, and solar energy storage systems. DAH Solar is known for its patented Full-Screen PV Module and SolarUnit...

DMEGC Solar, founded in 1980, is a global provider of renewable energy solutions, specializing in high-efficiency solar panels for residential, commercial, and utility-scale projects. The company has six manufacturing bases and is known for its integrated supply chain, from wafers to modules. DMEGC Solar is committed...


## Catalog & Power


| Measure | DAH Solar | DMEGC | Margin |
| --- | --- | --- | --- |
| Panel Models | 363 | 150 | +213 |
| Max Power | 725 W | 720 W | +5 W |
| Avg Power | 520 W | 476 W | +45 W |


## Efficiency


| Measure | DAH Solar | DMEGC | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.34% | 23.50% | +0.16 pp |
| Avg Efficiency | 22.10% | 21.39% | +0.72 pp |


## Reliability & Warranty


| Measure | DAH Solar | DMEGC | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.299%/°C | -0.291%/°C | +0.007 |
| Bifacial Share | 316 (87%) | 109 (73%) | +14 pp |
| Avg Warranty | 29.4 yrs | 30.0 yrs | +0.6 yr |


## Efficiency distribution

DMEGC skews to higher efficiency: 21% of lineup is 23%+


| Efficiency band | DAH Solar | DMEGC |
| --- | --- | --- |
| \<20% | 10 (2.8%) | 24 (16.0%) |
| 20-21% | 22 (6.1%) | 4 (2.7%) |
| 21-22% | 86 (23.7%) | 11 (7.3%) |
| 22-23% | 217 (59.8%) | 79 (52.7%) |
| 23%+ | 28 (7.7%) | 32 (21.3%) |


## Power distribution

DAH Solar offers more 600W+ panels (22% of lineup)


| Power band | DAH Solar | DMEGC |
| --- | --- | --- |
| \<400W | 8 (2.2%) | 19 (12.7%) |
| 400-499W | 161 (44.4%) | 89 (59.3%) |
| 500-599W | 113 (31.1%) | 23 (15.3%) |
| 600-699W | 71 (19.6%) | 14 (9.3%) |
| 700W+ | 10 (2.8%) | 5 (3.3%) |


## Cell technology

Dominant cell tech: **TOPCon** (88%)

Dominant cell tech: **TOPCon** (73%)


| Technology | DAH Solar | DMEGC |
| --- | --- | --- |
| TOPCon | 319 (87.9%) | 109 (72.7%) |
| PERC | 44 (12.1%) | 0 |
| N-type | 0 | 41 (27.3%) |


## Top panels, DAH Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DHN-66Y18/DG-725](https://comparepv.com/panel/dah-dhn-66y18-dg-725) | 725 | 23.3 | -0.290 | Monocrystalline |
| 2 | [DHN-66Y18/DG-720](https://comparepv.com/panel/dah-dhn-66y18-dg-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 3 | [DHN-66Y18/DG-715](https://comparepv.com/panel/dah-dhn-66y18-dg-715) | 715 | 23.0 | -0.290 | Monocrystalline |
| 4 | [DAS-DH132NC-715](https://comparepv.com/panel/dah-solar-das-dh132nc-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 5 | [DHN-66Y18/DG-710](https://comparepv.com/panel/dah-dhn-66y18-dg-710) | 710 | 22.9 | -0.290 | Monocrystalline |
| 6 | [DAS-DH132NC-710](https://comparepv.com/panel/dah-solar-das-dh132nc-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 7 | [DHN-66Y18/DG-705](https://comparepv.com/panel/dah-dhn-66y18-dg-705) | 705 | 22.7 | -0.290 | Monocrystalline |
| 8 | [DAS-DH132NC-705](https://comparepv.com/panel/dah-solar-das-dh132nc-705) | 705 | 22.7 | -0.280 | Monocrystalline |
| 9 | [DHN-66Y18/DG-700](https://comparepv.com/panel/dah-dhn-66y18-dg-700) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [DAS-DH132NC-700](https://comparepv.com/panel/dah-solar-das-dh132nc-700) | 700 | 22.5 | -0.280 | Monocrystalline |


## Top panels, DMEGC


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DM720G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm720g12t-b66hsw) | 720 | 23.2 | -0.290 | Monocrystalline |
| 2 | [DM715G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm715g12t-b66hsw) | 715 | 23.0 | -0.290 | Monocrystalline |
| 3 | [DM710G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm710g12t-b66hsw) | 710 | 22.9 | -0.290 | Monocrystalline |
| 4 | [DM705G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm705g12t-b66hsw) | 705 | 22.7 | -0.290 | Monocrystalline |
| 5 | [DM700G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm700g12t-b66hsw) | 700 | 22.5 | -0.290 | Monocrystalline |
| 6 | [DM695G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm695g12t-b66hsw) | 695 | 22.4 | -0.290 | Monocrystalline |
| 7 | [DM650M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm650m10t-b78hsw) | 650 | 23.3 | -0.290 | Monocrystalline |
| 8 | [DM645M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm645m10t-b78hsw) | 645 | 23.1 | -0.290 | Monocrystalline |
| 9 | [DM640M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm640m10t-b78hsw) | 640 | 22.9 | -0.290 | Monocrystalline |
| 10 | [DM635G12RT-B66HSW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dm635g12rt-b66hsw) | 635 | 23.5 | -0.290 | Monocrystalline |


## Summary

DAH Solar and DMEGC are both Chinese Tier 1 solar panel manufacturers, but they differ substantially in scale, corporate history, and market positioning. DAH Solar was founded in 2009 in Hefei, China, and has grown to a production capacity of 10 GW with a workforce of over 2,000 employees. The company distributes its products to more than 120 countries, with Europe and Latin America as primary markets, and reconfirmed its BNEF Tier 1 status in Q1 2025. DMEGC, by contrast, traces its origins to 1980 and brings over four decades of manufacturing experience to the solar sector. With 18,831 employees, a production capacity of 21 GW, and a listing on the Shenzhen Stock Exchange, DMEGC operates on a considerably larger corporate scale. The company shipped approximately 17 GW of modules in 2024, placing it among the largest solar manufacturers globally.

From a technical standpoint, DAH Solar's 363-model portfolio is heavily oriented toward TOPCon technology (79.6% of the lineup) and bifacial modules (87.1%), with an average output of 520 Wp and average module efficiency of 22.1%. Its signature Full-Screen frameless double-glass format reduces dust accumulation and improves snow shedding - a practical advantage for residential rooftop installs on pitched roofs and utility-scale ground-mount projects where long-term yield optimization is a priority. DMEGC's 150-model catalog is anchored by its Infinity RT TOPCon series, reaching a maximum module efficiency of 23.5% and a peak power of 720 Wp. The company's average temperature coefficient of -0.291%/°C is slightly better than DAH Solar's -0.299%/°C, an edge that benefits commercial C&I rooftop projects in warmer climates. DMEGC also provides a consistent 30-year performance warranty across its range and has made a concerted push into European markets, with a dedicated presence at Intersolar Europe 2025 in Munich.

For international buyers choosing between the two, the decision largely depends on project type and supplier priorities. DAH Solar suits buyers seeking a broad, innovation-driven TOPCon and bifacial portfolio with a unique frameless module format across a wide power range. DMEGC appeals to those prioritizing a larger, financially robust, and publicly listed manufacturer with a longer operational track record, a marginally superior temperature coefficient, and an established European sales network. Both carry Tier 1 bankability and represent credible choices across residential, commercial, and utility-scale applications.

Written by claude-sonnet from the figures above.


## Other comparisons

- [DAH Solar vs A.B. Energy](https://comparepv.com/dah-solar-vs-a-b-energy)
- [AE Solar vs DMEGC](https://comparepv.com/ae-solar-vs-dmegc)
- [DAH Solar vs AEET](https://comparepv.com/dah-solar-vs-aeet)
- [AIKO vs DMEGC](https://comparepv.com/aiko-vs-dmegc)
- [DAH Solar vs AKCOME](https://comparepv.com/dah-solar-vs-akcome)
- [ARTsolar vs DMEGC](https://comparepv.com/artsolar-vs-dmegc)


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Source: https://comparepv.com/dah-solar-vs-dmegc

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