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

# Thornova vs Trina Solar

Trina Solar has the broader catalog (340 vs 0 models). Trina Solar leans bifacial (43% of lineup).


## The two companies


| Attribute | Thornova | Trina Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Wuxi | Changzhou |
| Founded | 2016 | 1997 |
| Employees |  |  |
| Annual capacity | 5-10 GW/year |  |
| Tier 1 | yes | yes |
| Listed |  |  |
| Website | [https://www.thornova-solar.com](https://www.thornova-solar.com) | [https://www.trinasolar.com](https://www.trinasolar.com) |

Thornova Solar (formerly Sunova Solar) is a Chinese photovoltaic manufacturer headquartered in Wuxi, Jiangsu Province, specializing in high-efficiency TOPCon and PERC bifacial solar modules. The company operates manufacturing facilities in China and Indonesia with a combined module capacity of 6.5 GW and cell capacity...


## Catalog & Power


| Measure | Thornova | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 340 | +340 |
| Max Power | 0 W | 760 W | +760 W |
| Avg Power | 0 W | 520 W | +520 W |


## Efficiency


| Measure | Thornova | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.71% |  |


## Reliability & Warranty


| Measure | Thornova | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.302%/°C |  |
| Bifacial Share | 0 (0%) | 145 (43%) | +43 pp |
| Avg Warranty | - | 28.2 yrs |  |


## Efficiency distribution

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


| Efficiency band | Thornova | Trina Solar |
| --- | --- | --- |
| \<20% | 0 | 22 (6.5%) |
| 20-21% | 0 | 57 (16.8%) |
| 21-22% | 0 | 83 (24.4%) |
| 22-23% | 0 | 102 (30.0%) |
| 23%+ | 0 | 76 (22.4%) |


## Power distribution

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


| Power band | Thornova | Trina Solar |
| --- | --- | --- |
| \<400W | 0 | 28 (8.2%) |
| 400-499W | 0 | 142 (41.8%) |
| 500-599W | 0 | 54 (15.9%) |
| 600-699W | 0 | 72 (21.2%) |
| 700W+ | 0 | 44 (12.9%) |


## Cell technology

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


| Technology | Thornova | Trina Solar |
| --- | --- | --- |
| TOPCon | 0 | 248 (72.9%) |
| PERC | 0 | 75 (22.1%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## 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

Thornova Solar is a US-registered brand founded in 2022 as an independent subsidiary of Sunova Solar Technology, a Chinese module maker with manufacturing operations in Wuxi, Jiangsu province. Despite its short operating history, Thornova earned BloombergNEF Tier 1 bankability status by Q3 2023, supported by Sunova's project track record, and has retained that standing into Q1 2026. The brand maintains offices in Fremont, California, Frankfurt, and Wuxi. In 2025, Thornova's brand and intellectual property were acquired by ICE EYE, an ownership transition that buyers with long-term service concerns should weigh. Trina Solar, founded in 1997 in Changzhou, Jiangsu, China, is among the industry's most established manufacturers, holding BNEF Tier 1 status for over eleven consecutive years and having shipped more than 205 GW globally - a scale that far exceeds Thornova's and signals a substantially stronger institutional footprint.

Thornova's product lineup centers on N-type TOPCon bifacial modules, with the Tangra M PRO series rated between 575 and 605 W. Independent validation has been notably strong for a young brand: the Tangra M PRO received "Overall Highest Achiever" recognition in the RETC PVMI report and earned Kiwa PVEL Top Performer status across all seven reliability categories in 2025, making it a credible option for cost-conscious commercial and small-utility projects. Trina Solar's Vertex series spans a broader application range, from residential rooftops to large utility-scale ground mounts, with flagship lines also built on N-type TOPCon technology. Trina operates a 5 GW manufacturing facility in Wilmer, Texas, which strengthens supply-chain resilience for North American buyers, and has accumulated eleven consecutive years as a PVEL Top Performer.

For most buyers in 2025, Trina Solar is the lower-risk default. Its decade-plus Tier 1 history, global installer network, and >205 GW shipment base translate into easier project bankability and broader after-sales support. Thornova earns genuine respect from independent test labs and suits buyers willing to accept a younger brand in exchange for competitive pricing, but the 2025 ownership change introduces uncertainty that warrants careful due diligence before large-scale deployments.

\---LINKS---

\- https://www.pv-magazine.com/press-releases/thornova-solar-ranked-as-bnef-tier-1-module-manufacturer/ \| Thornova Solar ranked as BNEF Tier 1 module manufacturer - PV Magazine \| article

\- https://a1solarstore.com/blog/thornova-solar-panels-review-sharp-solutions.html \| Thornova Solar panels review 2026 - A1 SolarStore Magazine \| review

\- https://www.solarreviews.com/blog/are-trina-solar-panels-your-best-option \| 2025 Expert Trina Solar Panels Review - SolarReviews \| review

\- https://www.cleanenergyreviews.info/blog/trina-solar-panel-battery-review \| Trina Solar Panel Review - Clean Energy Reviews \| review

Sources:

\- \[Thornova Solar ranked as BNEF Tier 1 module manufacturer\](https://www.pv-magazine.com/press-releases/thornova-solar-ranked-as-bnef-tier-1-module-manufacturer/)

\- \[Thornova Solar panels review 2026 - A1 SolarStore Magazine\](https://a1solarstore.com/blog/thornova-solar-panels-review-sharp-solutions.html)

\- \[2025 Expert Trina Solar Panels Review - SolarReviews\](https://www.solarreviews.com/blog/are-trina-solar-panels-your-best-option)

\- \[Trina Solar Panel Review - Clean Energy Reviews\](https://www.cleanenergyreviews.info/blog/trina-solar-panel-battery-review)

\- \[Trinasolar Again Recognized as Tier 1 PV Module Manufacturer by BNEF in Q1 2025\](https://static.trinasolar.com/us/resources/newsroom/ustrinasolar-again-recognized-tier-1-pv-module-manufacturer-bnef-q1-2025)

Written by claude-sonnet from the figures above.


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