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

# Sunplus vs Trina Solar

Trina Solar has the broader catalog (340 vs 11 models). Trina Solar leads on peak efficiency at 24.80%. Sunplus leans bifacial (100% of lineup).


## The two companies


| Attribute | Sunplus | Trina Solar |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Changzhou |
| Founded |  | 1997 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  |  |
| Website |  | [https://www.trinasolar.com](https://www.trinasolar.com) |


## Catalog & Power


| Measure | Sunplus | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 11 | 340 | +329 |
| Max Power | 750 W | 760 W | +10 W |
| Avg Power | 670 W | 520 W | +150 W |


## Efficiency


| Measure | Sunplus | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.10% | 24.80% | +0.70 pp |
| Avg Efficiency | 22.42% | 21.71% | +0.70 pp |


## Reliability & Warranty


| Measure | Sunplus | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.318%/°C | -0.302%/°C | +0.016 |
| Bifacial Share | 11 (100%) | 145 (43%) | +57 pp |
| Avg Warranty | 30.0 yrs | 28.2 yrs | +1.8 yr |


## Efficiency distribution

Sunplus skews to higher efficiency: 55% of lineup is 23%+


| Efficiency band | Sunplus | Trina Solar |
| --- | --- | --- |
| 20-21% | 3 (27.3%) | 57 (16.8%) |
| 21-22% | 2 (18.2%) | 83 (24.4%) |
| 23%+ | 6 (54.5%) | 76 (22.4%) |
| \<20% | 0 | 22 (6.5%) |
| 22-23% | 0 | 102 (30.0%) |


## Power distribution

Sunplus offers more 600W+ panels (64% of lineup)


| Power band | Sunplus | Trina Solar |
| --- | --- | --- |
| 500-599W | 4 (36.4%) | 54 (15.9%) |
| 600-699W | 1 (9.1%) | 72 (21.2%) |
| 700W+ | 6 (54.5%) | 44 (12.9%) |
| \<400W | 0 | 28 (8.2%) |
| 400-499W | 0 | 142 (41.8%) |


## Cell technology

Dominant cell tech: **HJT** (55%)

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


| Technology | Sunplus | Trina Solar |
| --- | --- | --- |
| HJT | 6 (54.5%) | 0 |
| PERC | 5 (45.5%) | 75 (22.1%) |
| TOPCon | 0 | 248 (72.9%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## Top panels, Sunplus


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [750](https://comparepv.com/panel/sunplus-750) | 750 | 24.1 | -0.300 | Monocrystalline |
| 2 | [745](https://comparepv.com/panel/sunplus-745) | 745 | 24.0 | -0.300 | Monocrystalline |
| 3 | [740](https://comparepv.com/panel/sunplus-740) | 740 | 23.8 | -0.300 | Monocrystalline |
| 4 | [735](https://comparepv.com/panel/sunplus-735) | 735 | 23.7 | -0.300 | Monocrystalline |
| 5 | [730](https://comparepv.com/panel/sunplus-730) | 730 | 23.5 | -0.300 | Monocrystalline |
| 6 | [725](https://comparepv.com/panel/sunplus-725) | 725 | 23.3 | -0.300 | Monocrystalline |
| 7 | [SR5-60HBD-600M](https://comparepv.com/panel/sunplus-sr5-60hbd-600m) | 600 | 21.2 | -0.340 | Monocrystalline |
| 8 | [SR5-60HBD-595M](https://comparepv.com/panel/sunplus-sr5-60hbd-595m) | 595 | 21.0 | -0.340 | Monocrystalline |
| 9 | [SR5-60HBD-590M](https://comparepv.com/panel/sunplus-sr5-60hbd-590m) | 590 | 20.8 | -0.340 | Monocrystalline |
| 10 | [SR5-60HBD-585M](https://comparepv.com/panel/sunplus-sr5-60hbd-585m) | 585 | 20.7 | -0.340 | 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

Sunplus (Sunplus Optimum Inc) is a solar module manufacturer with a fully integrated supply chain, primarily targeting the United States, Latin American, and Caribbean markets. The company claims a global production capacity of approximately 6.5 GW, with a related Shanghai-based entity producing up to an additional 1 GW annually. Sunplus markets itself as operating under Bloomberg Tier 1 guidelines, but it does not appear on published BloombergNEF Tier 1 module manufacturer lists as a standalone brand - that distinction matters for project financing. Trina Solar, founded in December 1997 in Changzhou, China by Gao Jifan, operates at a fundamentally different scale: annual production capacity of around 100 GW, cumulative shipments exceeding 225 GW as of early 2025, and a consistent, multi-year presence on the BloombergNEF Tier 1 bankability ranking. On institutional footprint and financial bankability, Trina Solar holds a decisive advantage.

Sunplus offers modules based on TOPCon, HJT, and Shingled cell technologies, with claimed panel efficiency up to 21.5%, covering residential rooftop, commercial, and utility-scale use cases. Its CSA/UL certifications are well-suited for North American installations, though the brand remains relatively obscure outside the Americas. Trina Solar's flagship line, the Vertex N series, is built on n-type i-TOPCon second-generation technology (TOPCon 2.0), with leading modules exceeding 700 W output and up to 23.2% efficiency. The lineup spans residential, C&I rooftop, and large utility-scale ground-mount applications across more than 160 countries. Trina also competes in the energy storage and solar tracker segments, giving it a broader integrated offering for large developers.

For most international buyers - project developers, EPCs, or institutional investors - Trina Solar is the lower-risk default choice given its confirmed bankability, global warranty infrastructure, and mature TOPCon 2.0 product roadmap. Sunplus may represent a viable cost-competitive option for specific Americas-focused projects, but its unconfirmed Tier 1 status and limited international track record are meaningful drawbacks wherever lender approval or long-term O&M support is required.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/sunplus-vs-trina-solar

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