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

# DMEGC vs Suntech

Suntech has the broader catalog (255 vs 150 models). Suntech leads on peak efficiency at 24.80%. DMEGC leans bifacial (73% of lineup).


## The two companies


| Attribute | DMEGC | Suntech |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Dongyang, Zhejiang Province | Wuxi |
| Founded | 1980 | 2001 |
| Employees | 18,831 |  |
| Annual capacity | 21 GW/year |  |
| Tier 1 | yes | yes |
| Listed | Shenzhen Stock Exchange: SZ: 002056 |  |
| Website | [https://www.dmegcsolar.com](https://www.dmegcsolar.com) | [https://www.suntech-power.com](https://www.suntech-power.com) |

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 | DMEGC | Suntech | Margin |
| --- | --- | --- | --- |
| Panel Models | 150 | 255 | +105 |
| Max Power | 720 W | 735 W | +15 W |
| Avg Power | 476 W | 505 W | +29 W |


## Efficiency


| Measure | DMEGC | Suntech | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.50% | 24.80% | +1.30 pp |
| Avg Efficiency | 21.39% | 21.76% | +0.37 pp |


## Reliability & Warranty


| Measure | DMEGC | Suntech | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.291%/°C | -0.316%/°C | +0.024 |
| Bifacial Share | 109 (73%) | 114 (45%) | +28 pp |
| Avg Warranty | 30.0 yrs | 28.4 yrs | +1.6 yr |


## Efficiency distribution

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


| Efficiency band | DMEGC | Suntech |
| --- | --- | --- |
| \<20% | 24 (16.0%) | 11 (4.3%) |
| 20-21% | 4 (2.7%) | 61 (23.9%) |
| 21-22% | 11 (7.3%) | 64 (25.1%) |
| 22-23% | 79 (52.7%) | 70 (27.5%) |
| 23%+ | 32 (21.3%) | 49 (19.2%) |


## Power distribution

Suntech offers more 600W+ panels (20% of lineup)


| Power band | DMEGC | Suntech |
| --- | --- | --- |
| \<400W | 19 (12.7%) | 32 (12.5%) |
| 400-499W | 89 (59.3%) | 104 (40.8%) |
| 500-599W | 23 (15.3%) | 69 (27.1%) |
| 600-699W | 14 (9.3%) | 42 (16.5%) |
| 700W+ | 5 (3.3%) | 8 (3.1%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (71%)


| Technology | DMEGC | Suntech |
| --- | --- | --- |
| TOPCon | 109 (72.7%) | 180 (70.6%) |
| N-type | 41 (27.3%) | 5 (2.0%) |
| Unknown | 0 | 65 (25.5%) |
| PERC | 0 | 5 (2.0%) |


## 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 |


## Top panels, Suntech


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [STP735S-D66-Nsh+](https://comparepv.com/panel/suntech-stp735s-d66-nsh) | 735 | 23.7 | -0.280 | Monocrystalline |
| 2 | [STP730S-D66-Nsh+](https://comparepv.com/panel/suntech-stp730s-d66-nsh) | 730 | 23.5 | -0.280 | Monocrystalline |
| 3 | [STP725S-D66-Nsh+](https://comparepv.com/panel/suntech-stp725s-d66-nsh) | 725 | 23.3 | -0.280 | Monocrystalline |
| 4 | [STP720S-D66-Nsh+](https://comparepv.com/panel/suntech-stp720s-d66-nsh) | 720 | 23.2 | -0.280 | Monocrystalline |
| 5 | [STP715S-D66-Nsh+](https://comparepv.com/panel/suntech-stp715s-d66-nsh) | 715 | 23.0 | -0.280 | Monocrystalline |
| 6 | [STP710S-D66-Nsh+](https://comparepv.com/panel/suntech-stp710s-d66-nsh) | 710 | 22.9 | -0.290 | Monocrystalline |
| 7 | [STP705S-D66-Nsh+](https://comparepv.com/panel/suntech-stp705s-d66-nsh) | 705 | 22.7 | -0.290 | Monocrystalline |
| 8 | [STP700S-D66-Nsh+](https://comparepv.com/panel/suntech-stp700s-d66-nsh) | 700 | 22.5 | -0.290 | Monocrystalline |
| 9 | [STP675S-D66/Wmh](https://comparepv.com/panel/suntech-stp675s-d66-wmh) | 675 | 21.7 | -0.340 | Monocrystalline |
| 10 | [STP670S-D66/Wmh](https://comparepv.com/panel/suntech-stp670s-d66-wmh) | 670 | 21.6 | -0.340 | Monocrystalline |


## Summary

DMEGC is a Chinese manufacturer operating under the Hengdian Group conglomerate, holding Tier 1 status from both S&P Global and BloombergNEF. The company operates module production capacity of approximately 21 GW per year and recorded shipments of 13.4 GW in the first half of 2025 alone - a 64 percent year-on-year increase - firmly placing it among the global top ten module suppliers, with manufacturing bases across multiple Chinese provinces and one facility in Southeast Asia. Suntech is also Chinese, founded in 2001 in Wuxi; after a significant financial restructuring that followed its 2013 bankruptcy, the company rebuilt its market presence and maintains BloombergNEF Tier 1 bankable status, with shipments of roughly 10 GW recorded in 2023. On the basis of scale and institutional standing, DMEGC holds the stronger position today.

DMEGC's current lineup is anchored in N-type TOPCon technology. Its flagship Infinity Series reaches up to 720 Wp with module efficiencies up to 23.3 percent, and the broader portfolio spans lightweight bifacial panels designed for residential rooftops with restricted load capacity, all-black aesthetic modules aimed at commercial and industrial rooftops, and large-format panels suited to utility-scale ground-mount and agrivoltaic deployments. Suntech covers a comparable range of power classes from 395 W to 720 W, addressing residential, commercial, and utility segments. The company has adopted TOPCon as its primary cell technology while retaining some PERC products in its catalog; a noteworthy structural shift is that since 2023 Suntech no longer manufactures solar cells in-house but sources them from third-party suppliers, reducing its vertical integration relative to peers.

For buyers prioritizing manufacturing scale, supply-chain depth, and the most current bankability credentials, DMEGC is the stronger default. Suntech is a credible and bankable alternative with a wide product range and a notably long average performance warranty of 29 years, but its smaller shipment volumes and exit from cell production give it a narrower technological moat. For standard residential or commercial rooftop projects where both brands are available at comparable pricing, the two are broadly interchangeable; however, in project-finance contexts or large procurement tenders, DMEGC's dual Tier 1 certification and recent shipment trajectory give it a clear advantage.

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

Source: https://comparepv.com/dmegc-vs-suntech

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