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

# Trina Solar vs VOLT Polska

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


## The two companies


| Attribute | Trina Solar | VOLT Polska |
| --- | --- | --- |
| Country | China | Poland |
| Headquarters | Changzhou | Sopot |
| Founded | 1997 | 2010 |
| Employees |  | 51-100 |
| Annual capacity |  |  |
| Tier 1 | yes |  |
| Listed |  |  |
| Website | [https://www.trinasolar.com](https://www.trinasolar.com) | [https://voltpolska.pl](https://voltpolska.pl) |

VOLT Polska is a Polish manufacturer and distributor of power electronics and energy equipment, including inverters, voltage converters, emergency power supplies, and solar panels. The company serves residential and commercial markets with a broad product range covering photovoltaic components, battery chargers, and...


## Catalog & Power


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


## Efficiency


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


## Reliability & Warranty


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


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


| Technology | Trina Solar | VOLT Polska |
| --- | --- | --- |
| TOPCon | 248 (72.9%) | 0 |
| PERC | 75 (22.1%) | 0 |
| Unknown | 11 (3.2%) | 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 |


## Summary

Trina Solar is a Chinese manufacturer headquartered in Changzhou, Jiangsu Province, founded in 1997. The company has been continuously recognized as a BloombergNEF Tier 1 PV module manufacturer and achieved a perfect bankability score in BNEF's 2025 assessment - the eighth consecutive time it has earned that distinction from all survey respondents. With annual manufacturing capacity exceeding 80 GW, Trina ranks among the top five module producers globally and had shipped over 292 GW cumulatively by mid-2025. VOLT Polska, by contrast, is a Polish electronics and energy-backup company founded around 2010 and based in Sopot, Poland. Its primary heritage lies in uninterruptible power supplies, inverters, and batteries, and its solar product line forms only part of a broader power-equipment catalogue. VOLT Polska does not appear on the BloombergNEF Tier 1 list, and its institutional footprint - in terms of bankable project financing, utility procurement, and international distribution - is considerably smaller than Trina's.

Trina Solar's product portfolio is built around its Vertex series, now centered on N-type TOPCon cells. The Vertex S+ targets residential rooftops and smaller commercial installations, while larger-format Vertex modules serve utility-scale and C&I ground-mount projects. Third-party testing by PVEL has rated Trina among the most reliable in its class, and the company backs its panels with a 25-year product warranty. VOLT Polska's solar range covers monocrystalline and polycrystalline panels, predominantly in lower-wattage configurations suited to off-grid setups, backup systems, campervans, and rural installations. The company also sells solar inverters under the sinusPRO brand alongside MPPT charge controllers, making it more of a complete off-grid solution provider than a mainstream grid-tie panel brand.

For a buyer intending to install a grid-connected residential or commercial system, Trina Solar is the stronger default choice: it brings proven bankability, leading cell technology, and global warranty support. VOLT Polska serves a different and genuinely useful niche - off-grid autonomy and small backup applications - where its bundled inverter-and-panel ecosystem adds real value. The two brands are not interchangeable; they occupy distinct and largely non-overlapping positions in the market.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Trina Solar vs A.B. Energy](https://comparepv.com/trina-solar-vs-a-b-energy)
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- [Trina Solar vs AEET](https://comparepv.com/trina-solar-vs-aeet)
- [AIKO vs VOLT Polska](https://comparepv.com/aiko-vs-volt-polska)
- [Trina Solar vs AKCOME](https://comparepv.com/trina-solar-vs-akcome)
- [ARTsolar vs VOLT Polska](https://comparepv.com/artsolar-vs-volt-polska)


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Source: https://comparepv.com/trina-solar-vs-volt-polska

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