---
title: "AE Solar vs G-STAR - Brand Comparison | ComparePV"
description: "Compare AE Solar vs G-STAR solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ae-solar-vs-g-star"
---

# AE Solar vs G-STAR

AE Solar has the broader catalog (646 vs 36 models). AE Solar leads on peak efficiency at 24.43%. G-STAR leans bifacial (86% of lineup).


## The two companies


| Attribute | AE Solar | G-STAR |
| --- | --- | --- |
| Country | Germany |  |
| Headquarters | Gersthofen |  |
| Founded | 2003 |  |
| Employees | 501-1000 |  |
| Annual capacity | 2+ GW/year |  |
| Tier 1 | yes | no |
| Listed |  |  |
| Website | [https://ae-solar.com](https://ae-solar.com) |  |

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...


## Catalog & Power


| Measure | AE Solar | G-STAR | Margin |
| --- | --- | --- | --- |
| Panel Models | 646 | 36 | +610 |
| Max Power | 730 W | 725 W | +5 W |
| Avg Power | 489 W | 562 W | +73 W |


## Efficiency


| Measure | AE Solar | G-STAR | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.43% | 23.51% | +0.92 pp |
| Avg Efficiency | 21.11% | 22.41% | +1.30 pp |


## Reliability & Warranty


| Measure | AE Solar | G-STAR | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.312%/°C | -0.307%/°C | +0.005 |
| Bifacial Share | 405 (63%) | 31 (86%) | +23 pp |
| Avg Warranty | 29.7 yrs | 30.0 yrs | +0.3 yr |


## Efficiency distribution

G-STAR skews to higher efficiency: 28% of lineup is 23%+


| Efficiency band | AE Solar | G-STAR |
| --- | --- | --- |
| \<20% | 74 (11.5%) | 0 |
| 20-21% | 171 (26.5%) | 3 (8.3%) |
| 21-22% | 142 (22.0%) | 5 (13.9%) |
| 22-23% | 199 (30.8%) | 18 (50.0%) |
| 23%+ | 60 (9.3%) | 10 (27.8%) |


## Power distribution

G-STAR offers more 600W+ panels (36% of lineup)


| Power band | AE Solar | G-STAR |
| --- | --- | --- |
| \<400W | 78 (12.1%) | 0 |
| 400-499W | 329 (50.9%) | 11 (30.6%) |
| 500-599W | 154 (23.8%) | 12 (33.3%) |
| 600-699W | 55 (8.5%) | 7 (19.4%) |
| 700W+ | 30 (4.6%) | 6 (16.7%) |


## Cell technology

Dominant cell tech: **TOPCon** (54%)

Dominant cell tech: **TOPCon** (72%)


| Technology | AE Solar | G-STAR |
| --- | --- | --- |
| TOPCon | 349 (54.0%) | 26 (72.2%) |
| PERC | 245 (37.9%) | 5 (13.9%) |
| Back Contact | 21 (3.3%) | 0 |
| N-type | 17 (2.6%) | 5 (13.9%) |
| BIPV | 9 (1.4%) | 0 |
| HJT | 5 (0.8%) | 0 |


## Top panels, AE Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CME-132BDS-730](https://comparepv.com/panel/ae-solar-cme-132bds-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CME-132BDS-730W](https://comparepv.com/panel/ae-solar-cme-132bds-730w) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [CME-132BDS-725](https://comparepv.com/panel/ae-solar-cme-132bds-725) | 725 | 23.4 | -0.290 | Monocrystalline |
| 4 | [CME-132-725W](https://comparepv.com/panel/ae-solar-cme-132-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 5 | [CME-132BDS-725W](https://comparepv.com/panel/ae-solar-cme-132bds-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 6 | [AE CME-132 720](https://comparepv.com/panel/ae-solar-ae-cme-132-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 7 | [CME-132BDS-720](https://comparepv.com/panel/ae-solar-cme-132bds-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 8 | [AE CME-132-720](https://comparepv.com/panel/ae-solar-ae-cme-132-720-1) | 720 | 23.2 | -0.290 | Monocrystalline |
| 9 | [CME-132-720W](https://comparepv.com/panel/ae-solar-cme-132-720w) | 720 | 23.2 | -0.290 | Monocrystalline |
| 10 | [CME-132BDS-720W](https://comparepv.com/panel/ae-solar-cme-132bds-720w) | 720 | 23.2 | -0.290 | Monocrystalline |


## Top panels, G-STAR


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GSD8K66T-725WT](https://comparepv.com/panel/g-star-gsd8k66t-725wt) | 725 | 23.3 | -0.300 | Monocrystalline |
| 2 | [GSD8K66T-720WT](https://comparepv.com/panel/g-star-gsd8k66t-720wt) | 720 | 23.2 | -0.300 | Monocrystalline |
| 3 | [GSD8K66T-715WT](https://comparepv.com/panel/g-star-gsd8k66t-715wt) | 715 | 23.0 | -0.300 | Monocrystalline |
| 4 | [GSD8K66T-710WT](https://comparepv.com/panel/g-star-gsd8k66t-710wt) | 710 | 22.9 | -0.300 | Monocrystalline |
| 5 | [GSD8K66T-705WT](https://comparepv.com/panel/g-star-gsd8k66t-705wt) | 705 | 22.7 | -0.300 | Monocrystalline |
| 6 | [GSD8K66T-700WT](https://comparepv.com/panel/g-star-gsd8k66t-700wt) | 700 | 22.5 | -0.300 | Monocrystalline |
| 7 | [GSD8R66T-635WT](https://comparepv.com/panel/g-star-gsd8r66t-635wt) | 635 | 23.5 | -0.300 | Monocrystalline |
| 8 | [GSD8R66T-630WT](https://comparepv.com/panel/g-star-gsd8r66t-630wt) | 630 | 23.3 | -0.300 | Monocrystalline |
| 9 | [GSD8R66T-625WT](https://comparepv.com/panel/g-star-gsd8r66t-625wt) | 625 | 23.1 | -0.300 | Monocrystalline |
| 10 | [GSD8R66T-620WT](https://comparepv.com/panel/g-star-gsd8r66t-620wt) | 620 | 22.9 | -0.300 | Monocrystalline |


## Summary

AE Solar was founded in 2003 by Alexander Maier and his siblings in Königsbrunn, Germany, growing from a family business into a globally recognized brand active in more than 95 countries. Its headquarters remain in Germany, with manufacturing facilities in China, Georgia, and Turkey contributing to an annual production capacity of approximately 2.5 GW. AE Solar holds a confirmed BloombergNEF Tier 1 status and was ranked 18th among 67 evaluated manufacturers in BNEF's Global PV Module and Inverter Bankability 2024 report - distinguished as the sole European company on that list, with its bankability score rising from 26% in 2023 to 50% in 2024. G-STAR Pte. Ltd. is a considerably younger company, established in 2019 and headquartered in Singapore. It operates a "1+N" expansion model with one global headquarters and manufacturing bases across the Philippines, Indonesia, Thailand, Laos, and other Southeast Asian countries. The company's declared total group capacity stands at 17.5 GW, though a large portion of that is still being brought online as of 2025. G-STAR is listed as active in several European markets including Poland, Germany, and the UK, but no publicly available evidence was found confirming a BloombergNEF Tier 1 or equivalent bankability rating for the brand. On institutional footprint alone, AE Solar holds the stronger position in Europe.

For international buyers, AE Solar's core offering centers on its Aurora series (P-type PERC, 395-415 W range) and its Meteor series (N-type TOPCon, 430-440 W, up to 22.57% efficiency), suited to residential rooftop installs and commercial C&I projects. The brand received the Kiwa PVEL Top Performer Award in 2025 and integrates NFC chip anti-counterfeiting technology into its modules. G-STAR targets a broader application spectrum with a product range spanning from 100 W to 740 W and covering PERC, TOPCon, HJT, and Back Contact cell technologies in both monofacial and bifacial configurations. The company offers a 25-year product warranty and a 30-year linear power warranty with an annual degradation rate of 0.40%, and its modules carry TUV and ETL certifications. A 440 W frameless TOPCon module was introduced in late 2024, and the first phase of its Philippine cell and module factory was commissioned in 2025.

For international buyers evaluating the two brands, AE Solar offers a longer track record, confirmed bankability, and an established European service network - making it the lower-risk choice for project finance and warranty recourse. G-STAR is an ambitious and technically broad player that may appeal to buyers seeking wider wattage ranges or newer cell technologies such as HJT and BC, but its shorter operating history and unconfirmed Tier 1 status warrant additional due diligence, particularly for large-scale financed projects.

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

Source: https://comparepv.com/ae-solar-vs-g-star

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