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

# Trina Solar vs Weran Solar

Trina Solar has the broader catalog (340 vs 17 models). Trina Solar leads on peak efficiency at 24.80%.


## The two companies


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


## Catalog & Power


| Measure | Trina Solar | Weran Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 340 | 17 | +323 |
| Max Power | 760 W | 665 W | +95 W |
| Avg Power | 520 W | 571 W | +51 W |


## Efficiency


| Measure | Trina Solar | Weran Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 24.60% | +0.20 pp |
| Avg Efficiency | 21.71% | 22.94% | +1.23 pp |


## Reliability & Warranty


| Measure | Trina Solar | Weran Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.302%/°C | -0.276%/°C | +0.026 |
| Bifacial Share | 145 (43%) | 6 (35%) | +7 pp |
| Avg Warranty | 28.2 yrs | 26.8 yrs | +1.4 yr |


## Efficiency distribution

Weran Solar skews to higher efficiency: 41% of lineup is 23%+


| Efficiency band | Trina Solar | Weran Solar |
| --- | --- | --- |
| \<20% | 22 (6.5%) | 0 |
| 20-21% | 57 (16.8%) | 0 |
| 21-22% | 83 (24.4%) | 2 (11.8%) |
| 22-23% | 102 (30.0%) | 8 (47.1%) |
| 23%+ | 76 (22.4%) | 7 (41.2%) |


## Power distribution

Weran Solar offers more 600W+ panels (65% of lineup)


| Power band | Trina Solar | Weran Solar |
| --- | --- | --- |
| \<400W | 28 (8.2%) | 0 |
| 400-499W | 142 (41.8%) | 5 (29.4%) |
| 500-599W | 54 (15.9%) | 1 (5.9%) |
| 600-699W | 72 (21.2%) | 11 (64.7%) |
| 700W+ | 44 (12.9%) | 0 |


## Cell technology

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


| Technology | Trina Solar | Weran Solar |
| --- | --- | --- |
| TOPCon | 248 (72.9%) | 0 |
| PERC | 75 (22.1%) | 0 |
| Unknown | 11 (3.2%) | 17 (100.0%) |
| N-type | 6 (1.8%) | 0 |


## 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 |


## Top panels, Weran Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [WR7-72HVD-665M](https://comparepv.com/panel/weran-solar-wr7-72hvd-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 2 | [WR7-72HVD-660M](https://comparepv.com/panel/weran-solar-wr7-72hvd-660m) | 660 | 24.4 | -0.260 | Monocrystalline |
| 3 | [WR7-72HVD-655M](https://comparepv.com/panel/weran-solar-wr7-72hvd-655m) | 655 | 24.2 | -0.260 | Monocrystalline |
| 4 | [WR7-72HVD-650M](https://comparepv.com/panel/weran-solar-wr7-72hvd-650m) | 650 | 24.1 | -0.260 | Monocrystalline |
| 5 | [WR7-72HVD-645M](https://comparepv.com/panel/weran-solar-wr7-72hvd-645m) | 645 | 23.9 | -0.260 | Monocrystalline |
| 6 | [WR7-72HVD-640M](https://comparepv.com/panel/weran-solar-wr7-72hvd-640m) | 640 | 23.7 | -0.260 | Monocrystalline |
| 7 | [LR7-72HTH 620M](https://comparepv.com/panel/weran-solar-lr7-72hth-620m) | 620 | 23.0 | -0.280 | Monocrystalline |
| 8 | [LR7-72HTH 615M](https://comparepv.com/panel/weran-solar-lr7-72hth-615m) | 615 | 22.8 | -0.280 | Monocrystalline |
| 9 | [LR7-72HTH 610M](https://comparepv.com/panel/weran-solar-lr7-72hth-610m) | 610 | 22.6 | -0.280 | Monocrystalline |
| 10 | [LR7-72HTH 605M](https://comparepv.com/panel/weran-solar-lr7-72hth-605m) | 605 | 22.4 | -0.280 | Monocrystalline |


## Summary

Trina Solar is a Chinese manufacturer headquartered in Changzhou, Jiangsu province, founded in 1997. The company consistently ranks among the top three global solar module producers, holds BloombergNEF Tier 1 bankability status, and has accumulated over 205 GW in cumulative module shipments to more than 100 countries. It has also been recognized as a PVEL Top Performer for eleven consecutive years, giving financiers and project developers a long, independently verified quality record to rely on. Weran Solar Co., Ltd. is a considerably smaller Chinese firm based in Shanghai, with manufacturing operations in Taizhou; established in 2015, it reports annual production capacity in the range of 2 GW. The company holds standard industry certifications - ISO, CE, TUV, and CSA - but does not appear on BloombergNEF Tier 1 lists. Notably, Weran Solar also operates as an official LONGi distributor alongside its own-brand panel sales, which blurs its identity as a pure-play manufacturer. On every measure of institutional footprint and bankability, Trina Solar holds a substantially stronger position.

Trina Solar's product strategy centers on the Vertex platform, which spans residential through utility-scale applications. The Vertex S+ line targets residential rooftops with modules in the 475-485 W range, backed by a 30-year performance warranty and annual degradation of approximately 0.4 percent after the first year. The large-format Vertex N series, built on N-type TOPCon cell technology, is engineered for utility-scale and commercial ground-mount projects, with bifacial dual-glass configurations exceeding 740 W; in early 2026 Trina also introduced a 485 W TOPCon module rated at 24.3 percent efficiency. Weran Solar offers product lines based on PERC, HPBC, and N-TOPCon cells, including bifacial and dual-glass variants across residential, commercial, and industrial segments. The company promotes an HPBC 2.0 module citing cell-level efficiency of 24.6 percent, though independent long-term field data for Weran Solar products remains limited compared to the extensive third-party testing history available for Trina.

For most international buyers - particularly those financing commercial or utility projects where lender bankability requirements apply - Trina Solar is the more defensible default. Its Tier 1 rating, 25-plus year operating history, and global service infrastructure reduce counterparty and warranty risk in a meaningful way. Weran Solar can be a viable option in price-sensitive residential projects where the buyer is comfortable with a less-established brand and can verify local after-sales support, or where procurement is bundled with LONGi modules through Weran's distribution channel. The two brands are not interchangeable for institutional buyers, but for a homeowner primarily focused on upfront cost, Weran Solar's technical offering is plausible provided warranty coverage terms are confirmed in advance.

Written by claude-sonnet from the figures above.


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

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