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

# DAH Solar vs Trina Solar

DAH Solar has the broader catalog (363 vs 340 models). Trina Solar leads on peak efficiency at 24.80%. DAH Solar leans bifacial (87% of lineup).


## The two companies


| Attribute | DAH Solar | Trina Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Hefei | Changzhou |
| Founded | 2009 | 1997 |
| Employees | 2000+ |  |
| Annual capacity | 10 GW/year |  |
| Tier 1 | yes | yes |
| Listed |  |  |
| Website | null | [https://www.trinasolar.com](https://www.trinasolar.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...


## Catalog & Power


| Measure | DAH Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 363 | 340 | +23 |
| Max Power | 725 W | 760 W | +35 W |
| Avg Power | 520 W | 520 W | +0 W |


## Efficiency


| Measure | DAH Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.34% | 24.80% | +1.46 pp |
| Avg Efficiency | 22.10% | 21.71% | +0.39 pp |


## Reliability & Warranty


| Measure | DAH Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.299%/°C | -0.302%/°C | +0.003 |
| Bifacial Share | 316 (87%) | 145 (43%) | +44 pp |
| Avg Warranty | 29.4 yrs | 28.2 yrs | +1.1 yr |


## Efficiency distribution

Trina Solar skews to higher efficiency: 22% of lineup is 23%+


| Efficiency band | DAH Solar | Trina Solar |
| --- | --- | --- |
| \<20% | 10 (2.8%) | 22 (6.5%) |
| 20-21% | 22 (6.1%) | 57 (16.8%) |
| 21-22% | 86 (23.7%) | 83 (24.4%) |
| 22-23% | 217 (59.8%) | 102 (30.0%) |
| 23%+ | 28 (7.7%) | 76 (22.4%) |


## Power distribution

Trina Solar offers more 600W+ panels (34% of lineup)


| Power band | DAH Solar | Trina Solar |
| --- | --- | --- |
| \<400W | 8 (2.2%) | 28 (8.2%) |
| 400-499W | 161 (44.4%) | 142 (41.8%) |
| 500-599W | 113 (31.1%) | 54 (15.9%) |
| 600-699W | 71 (19.6%) | 72 (21.2%) |
| 700W+ | 10 (2.8%) | 44 (12.9%) |


## Cell technology

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

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


| Technology | DAH Solar | Trina Solar |
| --- | --- | --- |
| TOPCon | 319 (87.9%) | 248 (72.9%) |
| PERC | 44 (12.1%) | 75 (22.1%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## 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, Trina Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TSM-NEG21C.20Q-760](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-760) | 760 | 24.5 | -0.260 | Monocrystalline |
| 2 | [TSM-NEG21C.20Q-755](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-755) | 755 | 24.3 | -0.260 | Monocrystalline |
| 3 | [TSM-NEG21C.20Q-750](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-750) | 750 | 24.1 | -0.260 | Monocrystalline |
| 4 | [TSM-NEG21C.20Q-745](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-745) | 745 | 24.0 | -0.260 | Monocrystalline |
| 5 | [TSM-NEG21C.20-740](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 6 | [TSM-NEG21C.20 740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 7 | [TSM-NEG21C.20Q-740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-740) | 740 | 23.8 | -0.260 | Monocrystalline |
| 8 | [TSM-NEG21C.20-735](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 9 | [TSM-NEG21C.20 735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 10 | [TSM-NEG21C.20Q-735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-735) | 735 | 23.7 | -0.260 | Monocrystalline |


## Summary

Trina Solar, founded in 1997, is one of the most established solar module manufacturers in the world, with an estimated 77 GW of shipments in 2024 and a confirmed top-5 market position in Europe. The company has been a consistent presence on BloombergNEF's Tier 1 bankable list and is actively targeting high-value markets including Europe, the United States, Australia, and the Middle East. DAH Solar, founded in 2009 in Hefei, China, is a considerably younger but fast-growing manufacturer with a declared production capacity of 10 GW and a steady Tier 1 ranking as of Q1 2025. Both companies are Chinese-headquartered, Tier 1 bankable suppliers, but Trina Solar holds a substantially larger global footprint and a longer international track record - factors that weigh heavily in project finance and insurance underwriting.

On the technology side, both manufacturers have made TOPCon their primary cell platform - DAH Solar across approximately 79.6% of its 363-panel portfolio, Trina Solar across approximately 69.8% of its 305-panel lineup. DAH Solar's most distinctive differentiator is its bifacial penetration rate of 87%, compared to just 39% for Trina Solar, making DAH Solar a compelling option for utility-scale ground-mount projects, agrivoltaic installations, and commercial flat-roof systems where rear-side irradiance gain matters. DAH Solar also leads on average module power (520 Wp vs. 506 Wp), average efficiency (22.1% vs. 21.5%), average temperature coefficient (-0.299%/°C vs. -0.304%/°C), and average warranty length (29.4 years vs. 28.1 years). Trina Solar counters with a higher peak efficiency ceiling - its best modules reach 24.1% vs. DAH Solar's 23.34% - and a maximum power output of 740 Wp, giving it an edge for high-density residential rooftop installs and large C&I projects where efficiency per square meter is critical.

For international buyers choosing between the two, the decision hinges largely on project type and risk tolerance. Trina Solar is the lower-risk selection for large utility-scale or C&I projects where bankability, European supply chain depth, and long-term service support are decisive. DAH Solar suits buyers who prioritize a high bifacial ratio, marginally better thermal performance, and longer warranty coverage - particularly for ground-mount, agrivoltaic, or mid-scale commercial applications where the bifacial premium drives returns.

Written by claude-sonnet from the figures above.


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- [DAH Solar vs A.B. Energy](https://comparepv.com/dah-solar-vs-a-b-energy)
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- [DAH Solar vs AEET](https://comparepv.com/dah-solar-vs-aeet)
- [AIKO vs Trina Solar](https://comparepv.com/aiko-vs-trina-solar)
- [DAH Solar vs AKCOME](https://comparepv.com/dah-solar-vs-akcome)
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Source: https://comparepv.com/dah-solar-vs-trina-solar

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