---
title: "Peimar vs Tongwei - Brand Comparison | ComparePV"
description: "Compare Peimar vs Tongwei solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/peimar-vs-tongwei"
---

# Peimar vs Tongwei

Tongwei has the broader catalog (122 vs 5 models). Tongwei leads on peak efficiency at 24.20%. Tongwei leans bifacial (69% of lineup).


## The two companies


| Attribute | Peimar | Tongwei |
| --- | --- | --- |
| Country | Italy | China |
| Headquarters | Torino | Chengdu |
| Founded | 2012 | 2013 |
| Employees | 50 |  |
| Annual capacity | 0.3 GW/year |  |
| Tier 1 | no | yes |
| Listed |  | SSE: 600438 |
| Website | [https://www.peimar.com](https://www.peimar.com) | [https://en.tongwei.com.cn](https://en.tongwei.com.cn) |

Peimar is an Italian manufacturer of photovoltaic modules. Based in Turin, the company designs and produces solar panels for residential, commercial, and utility-scale applications, with a focus on the European market.


## Catalog & Power


| Measure | Peimar | Tongwei | Margin |
| --- | --- | --- | --- |
| Panel Models | 5 | 122 | +117 |
| Max Power | 595 W | 750 W | +155 W |
| Avg Power | 440 W | 584 W | +144 W |


## Efficiency


| Measure | Peimar | Tongwei | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.04% | 24.20% | +1.16 pp |
| Avg Efficiency | 20.23% | 22.59% | +2.36 pp |


## Reliability & Warranty


| Measure | Peimar | Tongwei | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.346%/°C | -0.284%/°C | +0.062 |
| Bifacial Share | 2 (40%) | 84 (69%) | +29 pp |
| Avg Warranty | 30.0 yrs | 29.5 yrs | +0.5 yr |


## Efficiency distribution

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


| Efficiency band | Peimar | Tongwei |
| --- | --- | --- |
| \<20% | 2 (40.0%) | 2 (1.6%) |
| 21-22% | 1 (20.0%) | 14 (11.5%) |
| 23%+ | 2 (40.0%) | 50 (41.0%) |
| 20-21% | 0 | 6 (4.9%) |
| 22-23% | 0 | 50 (41.0%) |


## Power distribution

Tongwei offers more 600W+ panels (53% of lineup)


| Power band | Peimar | Tongwei |
| --- | --- | --- |
| \<400W | 2 (40.0%) | 0 |
| 400-499W | 1 (20.0%) | 41 (33.6%) |
| 500-599W | 2 (40.0%) | 16 (13.1%) |
| 600-699W | 0 | 33 (27.0%) |
| 700W+ | 0 | 32 (26.2%) |


## Cell technology

Dominant cell tech: **PERC** (60%)

Dominant cell tech: **TOPCon** (47%)


| Technology | Peimar | Tongwei |
| --- | --- | --- |
| PERC | 3 (60.0%) | 10 (8.2%) |
| TOPCon | 2 (40.0%) | 57 (46.7%) |
| N-type | 0 | 44 (36.1%) |
| Unknown | 0 | 6 (4.9%) |
| HJT | 0 | 5 (4.1%) |


## Top panels, Peimar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [OR10H595MNDB](https://comparepv.com/panel/peimar-or10h595mndb) | 595 | 23.0 | -0.290 | Monocrystalline |
| 2 | [SA500M (FB)](https://comparepv.com/panel/peimar-sa500m-fb) | 500 | 21.3 | -0.290 | Monocrystalline |
| 3 | [OR10H450MNDB (FB)](https://comparepv.com/panel/peimar-or10h450mndb-fb) | 450 | 23.0 | -0.290 | Monocrystalline |
| 4 | [SG330P](https://comparepv.com/panel/peimar-sg330p) | 330 | 17.0 | -0.430 | Polycrystalline |
| 5 | [SG325P](https://comparepv.com/panel/peimar-sg325p) | 325 | 16.7 | -0.430 | Polycrystalline |


## Top panels, Tongwei


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TWMNF-66HD750](https://comparepv.com/panel/tongwei-solar-twmnf-66hd750) | 750 | 24.1 | -0.280 | Monocrystalline |
| 2 | [TWMNF-66HD745](https://comparepv.com/panel/tongwei-solar-twmnf-66hd745) | 745 | 24.0 | -0.280 | Monocrystalline |
| 3 | [TWMNF-66HD740](https://comparepv.com/panel/tongwei-solar-twmnf-66hd740) | 740 | 23.8 | -0.280 | Monocrystalline |
| 4 | [TWMHF-66HD740X](https://comparepv.com/panel/tw-solar-twmhf-66hd740x) | 740 | 23.8 | -0.240 | Monocrystalline |
| 5 | [THC G12-66 Bifacial](https://comparepv.com/panel/tongwei-thc-g12-66-bifacial) | 740 | 23.8 | -0.280 | Monocrystalline |
| 6 | [TWMNF-66HD735](https://comparepv.com/panel/tongwei-solar-twmnf-66hd735) | 735 | 23.7 | -0.280 | Monocrystalline |
| 7 | [TWMHF-66HD735X](https://comparepv.com/panel/tw-solar-twmhf-66hd735x) | 735 | 23.7 | -0.240 | Monocrystalline |
| 8 | [TWMHF-66HD730X](https://comparepv.com/panel/tw-solar-twmhf-66hd730x) | 730 | 23.5 | -0.240 | Monocrystalline |
| 9 | [TWMNF-66HD730](https://comparepv.com/panel/tongwei-solar-twmnf-66hd730) | 730 | 23.5 | -0.280 | Monocrystalline |
| 10 | [TWMNF-66HD725](https://comparepv.com/panel/tongwei-solar-twmnf-66hd725) | 725 | 23.3 | -0.280 | Monocrystalline |


## Other comparisons

- [Peimar vs A.B. Energy](https://comparepv.com/peimar-vs-a-b-energy)
- [AE Solar vs Tongwei](https://comparepv.com/ae-solar-vs-tongwei)
- [Peimar vs AEET](https://comparepv.com/peimar-vs-aeet)
- [AIKO vs Tongwei](https://comparepv.com/aiko-vs-tongwei)
- [Peimar vs AKCOME](https://comparepv.com/peimar-vs-akcome)
- [ARTsolar vs Tongwei](https://comparepv.com/artsolar-vs-tongwei)


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Source: https://comparepv.com/peimar-vs-tongwei

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