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

# AEET 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 | AEET | Tongwei |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Chengdu |
| Founded |  | 2013 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  | SSE: 600438 |
| Website |  | [https://en.tongwei.com.cn](https://en.tongwei.com.cn) |


## Catalog & Power


| Measure | AEET | Tongwei | Margin |
| --- | --- | --- | --- |
| Panel Models | 5 | 122 | +117 |
| Max Power | 200 W | 750 W | +550 W |
| Avg Power | 190 W | 584 W | +394 W |


## Efficiency


| Measure | AEET | Tongwei | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 15.70% | 24.20% | +8.50 pp |
| Avg Efficiency | 14.90% | 22.59% | +7.69 pp |


## Reliability & Warranty


| Measure | AEET | Tongwei | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.284%/°C |  |
| Bifacial Share | 0 (0%) | 84 (69%) | +69 pp |
| Avg Warranty | 25.0 yrs | 29.5 yrs | +4.5 yr |


## Efficiency distribution

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


| Efficiency band | AEET | Tongwei |
| --- | --- | --- |
| \<20% | 5 (100.0%) | 2 (1.6%) |
| 20-21% | 0 | 6 (4.9%) |
| 21-22% | 0 | 14 (11.5%) |
| 22-23% | 0 | 50 (41.0%) |
| 23%+ | 0 | 50 (41.0%) |


## Power distribution

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


| Power band | AEET | Tongwei |
| --- | --- | --- |
| \<400W | 5 (100.0%) | 0 |
| 400-499W | 0 | 41 (33.6%) |
| 500-599W | 0 | 16 (13.1%) |
| 600-699W | 0 | 33 (27.0%) |
| 700W+ | 0 | 32 (26.2%) |


## Cell technology

Dominant cell tech: **PERC** (100%)

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


| Technology | AEET | Tongwei |
| --- | --- | --- |
| PERC | 5 (100.0%) | 10 (8.2%) |
| TOPCon | 0 | 57 (46.7%) |
| N-type | 0 | 44 (36.1%) |
| Unknown | 0 | 6 (4.9%) |
| HJT | 0 | 5 (4.1%) |


## Top panels, AEET


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SE200M(24)F](https://comparepv.com/panel/aeet-se200m-24-f) | 200 | 15.7 | - | Monocrystalline |
| 2 | [SE195M(24)F](https://comparepv.com/panel/aeet-se195m-24-f) | 195 | 15.3 | - | Monocrystalline |
| 3 | [SE190M(24)F](https://comparepv.com/panel/aeet-se190m-24-f) | 190 | 14.9 | - | Monocrystalline |
| 4 | [SE185M(24)F](https://comparepv.com/panel/aeet-se185m-24-f) | 185 | 14.5 | - | Monocrystalline |
| 5 | [SE180M(24)F](https://comparepv.com/panel/aeet-se180m-24-f) | 180 | 14.1 | - | Monocrystalline |


## 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 |


## Summary

AEET Energy Group GmbH is a German photovoltaic wholesale distributor headquartered in Bad Gandersheim, Germany. Rather than manufacturing its own panels, AEET operates as a full-service B2B reseller that sources modules from established brands and supplies installers across Germany and beyond. The company has no publicly confirmed BloombergNEF Tier 1 status of its own, as that designation applies to module manufacturers rather than distributors. Tongwei Solar, by contrast, is a Chinese manufacturer founded in 1982 and headquartered in Chengdu, which has grown into one of the most vertically integrated solar companies in the world - producing high-purity polysilicon, solar cells, and finished modules at enormous scale. Tongwei holds confirmed BloombergNEF Tier 1 status as of Q3 2025 and is listed in the Fortune Global 500. With cell production capacity exceeding 150 GW and module capacity above 90 GW as of mid-2025, Tongwei has by far the stronger institutional and industrial footprint of the two.

Because AEET is a distributor rather than a brand behind its own manufactured panels, a direct product-level comparison is somewhat misleading. Tongwei's own panel portfolio is anchored in N-type TOPCon technology and earned Top Performer recognition in Kiwa PVEL's 2025 PV Module Reliability Scorecard, making it a credible choice for utility-scale ground mounts as well as commercial and residential installations. AEET, as a wholesaler, may carry Tongwei products alongside other brands, and its value proposition centers on local logistics, warehousing, and installer support rather than proprietary cell technology.

For any buyer seeking a bankable, large-scale module supplier with a confirmed manufacturing track record in 2025, Tongwei is the clear point of reference. AEET is more accurately understood as a distribution channel than a competing product brand. Buyers in Germany or Central Europe looking for locally stocked, installer-ready supply may find AEET a practical procurement partner - but the underlying panel technology in any given project depends entirely on which brands AEET happens to carry at the time.

\---LINKS---

\- https://taiyangnews.info/business/tongwei-h1-2025-financial-results \| Tongwei Reports H1 2025 Loss, Cites Persistent PV Market Pressures \| article

\- https://scorecard.pvel.com/manufacturer\_name/tongwei-solar/ \| Tongwei Solar Named Top Performer - Kiwa PVEL 2025 Scorecard \| review

\- https://comparepv.com/reviews/tongwei \| Tongwei Solar Panels Review 2026 - ComparePV \| review

\- https://sun.store/blog/tw-solar-panels-review-2025/ \| TW Solar Panels Review 2025 - sun.store \| review

\- https://www.enfsolar.com/aeet \| AEET Energy Group GmbH profile - ENF Solar \| article

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

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

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