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

# Solaria vs Trina Solar

Trina Solar has the broader catalog (340 vs 27 models). Trina Solar leads on peak efficiency at 24.80%. Trina Solar leans bifacial (43% of lineup).


## The two companies


| Attribute | Solaria | Trina Solar |
| --- | --- | --- |
| Country | Spain | China |
| Headquarters | Madrid | Changzhou |
| Founded | 2002 | 1997 |
| Employees | 235 |  |
| Annual capacity | 1.658 GW/year |  |
| Tier 1 |  | yes |
| Listed | BME (Madrid Stock Exchange): SLR |  |
| Website | [https://www.solaria.com](https://www.solaria.com) | [https://www.trinasolar.com](https://www.trinasolar.com) |

Solaria is a leading European company focused on developing and generating solar photovoltaic energy. The company aims to contribute to decarbonization by creating a global energy model based on clean energy. Solaria specializes in the implementation and development of solar photovoltaic technology, from manufacturing...


## Catalog & Power


| Measure | Solaria | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 27 | 340 | +313 |
| Max Power | 680 W | 760 W | +80 W |
| Avg Power | 436 W | 520 W | +84 W |


## Efficiency


| Measure | Solaria | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 21.92% | 24.80% | +2.88 pp |
| Avg Efficiency | 19.96% | 21.71% | +1.75 pp |


## Reliability & Warranty


| Measure | Solaria | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.360%/°C | -0.302%/°C | +0.058 |
| Bifacial Share | 5 (19%) | 145 (43%) | +24 pp |
| Avg Warranty | 26.5 yrs | 28.2 yrs | +1.7 yr |


## Efficiency distribution

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


| Efficiency band | Solaria | Trina Solar |
| --- | --- | --- |
| \<20% | 13 (48.1%) | 22 (6.5%) |
| 20-21% | 9 (33.3%) | 57 (16.8%) |
| 21-22% | 5 (18.5%) | 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 | Solaria | Trina Solar |
| --- | --- | --- |
| \<400W | 14 (51.9%) | 28 (8.2%) |
| 400-499W | 8 (29.6%) | 142 (41.8%) |
| 600-699W | 5 (18.5%) | 72 (21.2%) |
| 500-599W | 0 | 54 (15.9%) |
| 700W+ | 0 | 44 (12.9%) |


## Cell technology

Dominant cell tech: **TOPCon** (19%)

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


| Technology | Solaria | Trina Solar |
| --- | --- | --- |
| Unknown | 18 (66.7%) | 11 (3.2%) |
| TOPCon | 5 (18.5%) | 248 (72.9%) |
| PERC | 4 (14.8%) | 75 (22.1%) |
| N-type | 0 | 6 (1.8%) |


## Top panels, Solaria


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SPV680-TG12-132BD](https://comparepv.com/panel/solaria-spv680-tg12-132bd) | 680 | 21.9 | -0.300 | Monocrystalline |
| 2 | [SPV675-TG12-132BD](https://comparepv.com/panel/solaria-spv675-tg12-132bd) | 675 | 21.8 | -0.300 | Monocrystalline |
| 3 | [SPV670-TG12-132BD](https://comparepv.com/panel/solaria-spv670-tg12-132bd) | 670 | 21.6 | -0.300 | Monocrystalline |
| 4 | [SPV665-TG12-132BD](https://comparepv.com/panel/solaria-spv665-tg12-132bd) | 665 | 21.4 | -0.300 | Monocrystalline |
| 5 | [SPV660-TG12-132BD](https://comparepv.com/panel/solaria-spv660-tg12-132bd) | 660 | 21.3 | -0.300 | Monocrystalline |
| 6 | [PowerXT 430R-PL](https://comparepv.com/panel/solaria-powerxt-430r-pl) | 430 | 20.4 | -0.390 | Monocrystalline |
| 7 | [Solaria PowerXT-430C-PD](https://comparepv.com/panel/solaria-solaria-powerxt-430c-pd) | 430 | 19.8 | -0.390 | Monocrystalline |
| 8 | [PowerXT 420R-PL](https://comparepv.com/panel/solaria-powerxt-420r-pl) | 420 | 19.9 | -0.390 | Monocrystalline |
| 9 | [Solaria PowerXT-420C-BD](https://comparepv.com/panel/solaria-solaria-powerxt-420c-bd) | 420 | 19.4 | -0.390 | Monocrystalline |
| 10 | [Solaria PowerXT-420C-PD](https://comparepv.com/panel/solaria-solaria-powerxt-420c-pd) | 420 | 19.4 | -0.390 | 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 is a Chinese photovoltaic module manufacturer founded in December 1997 by Gao Jifan and headquartered in Changzhou, Jiangsu Province. It is one of the largest solar manufacturers in the world by shipment volume, having surpassed 225 GW in cumulative module deliveries by early 2025. The company holds BloombergNEF Tier 1 bankability status, reaffirmed in the Q2 2025 ranking, making its products eligible for non-recourse project financing at institutional scale. Solaria is an American manufacturer founded in 1999 and historically headquartered in Fremont, California. It has never appeared on the BloombergNEF Tier 1 list. In 2022 Solaria merged with Complete Solar to form Complete Solaria, and in 2024 the combined entity acquired certain SunPower assets and rebranded under the SunPower name - warranty services for Solaria products have been administered by SunPower since June 2025. In terms of institutional footprint and global scale, Trina Solar carries considerably more weight.

Trina Solar addresses the full market spectrum: residential rooftop, commercial and industrial (C&I), and utility-scale ground-mount projects. Its current flagship lines - the Vertex S+ and Vertex N series - use N-type TOPCon cell technology (proprietary i-TOPCon), with large-format 210 mm modules exceeding 700 W and a cell efficiency world record of 26.58% confirmed in independent testing. Solaria built its identity around a patented shingled cell design - cells sliced into strips and layered like roof tiles - which improved shade tolerance and delivered a seamless all-black aesthetic well suited to premium residential rooftop installations. The company sold those shingled-cell patents to Maxeon Solar in September 2023, and given the subsequent corporate transitions, the long-term product roadmap under the SunPower umbrella remains less certain.

For most buyers - whether a homeowner, a C&I developer, or a project financier - Trina Solar is the lower-risk default. It offers confirmed bankability, a mature supply chain, broad European and global distribution, and a clearly defined technology roadmap built on TOPCon. Solaria's legacy technology was genuinely innovative, but the ongoing corporate restructuring introduces uncertainty that is difficult to justify when a Tier 1 alternative is readily available at competitive prices.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Solaria vs A.B. Energy](https://comparepv.com/solaria-vs-a-b-energy)
- [AE Solar vs Trina Solar](https://comparepv.com/ae-solar-vs-trina-solar)
- [Solaria vs AEET](https://comparepv.com/solaria-vs-aeet)
- [AIKO vs Trina Solar](https://comparepv.com/aiko-vs-trina-solar)
- [Solaria vs AKCOME](https://comparepv.com/solaria-vs-akcome)
- [ARTsolar vs Trina Solar](https://comparepv.com/artsolar-vs-trina-solar)


---

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

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