--- title: "AE Solar vs Wattpower - Brand Comparison | ComparePV" description: "Compare AE Solar vs Wattpower solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/ae-solar-vs-wattpower" --- # AE Solar vs Wattpower AE Solar has the broader catalog (646 vs 0 models). AE Solar leans bifacial (63% of lineup). ## The two companies | Attribute | AE Solar | Wattpower | | --- | --- | --- | | Country | Germany | China | | Headquarters | Gersthofen | Nanjing | | Founded | 2003 | 2020 | | Employees | 501-1000 | 11-50 | | Annual capacity | 2+ GW/year | 1-2 GW/year | | Tier 1 | yes | | | Listed | | | | Website | [https://ae-solar.com](https://ae-solar.com) | [https://www.watt-power.com](https://www.watt-power.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... WattPower Technology Co., Ltd is a Chinese solar module manufacturer headquartered in Nanjing, Jiangsu. The company specializes in high-performance photovoltaic modules utilizing 182mm large-size silicon wafers combined with PERC, multi-busbar, half-cell, bifacial, and high-density encapsulation technologies. It... ## Catalog & Power | Measure | AE Solar | Wattpower | Margin | | --- | --- | --- | --- | | Panel Models | 646 | 0 | +646 | | Max Power | 730 W | 0 W | +730 W | | Avg Power | 489 W | 0 W | +489 W | ## Efficiency | Measure | AE Solar | Wattpower | Margin | | --- | --- | --- | --- | | Max Efficiency | 24.43% | - | | | Avg Efficiency | 21.11% | - | | ## Reliability & Warranty | Measure | AE Solar | Wattpower | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.312%/°C | - | | | Bifacial Share | 405 (63%) | 0 (0%) | +63 pp | | Avg Warranty | 29.7 yrs | - | | ## Efficiency distribution AE Solar skews to higher efficiency: 9% of lineup is 23%+ | Efficiency band | AE Solar | Wattpower | | --- | --- | --- | | \<20% | 74 (11.5%) | 0 | | 20-21% | 171 (26.5%) | 0 | | 21-22% | 142 (22.0%) | 0 | | 22-23% | 199 (30.8%) | 0 | | 23%+ | 60 (9.3%) | 0 | ## Power distribution AE Solar offers more 600W+ panels (13% of lineup) | Power band | AE Solar | Wattpower | | --- | --- | --- | | \<400W | 78 (12.1%) | 0 | | 400-499W | 329 (50.9%) | 0 | | 500-599W | 154 (23.8%) | 0 | | 600-699W | 55 (8.5%) | 0 | | 700W+ | 30 (4.6%) | 0 | ## Cell technology Dominant cell tech: **TOPCon** (54%) | Technology | AE Solar | Wattpower | | --- | --- | --- | | TOPCon | 349 (54.0%) | 0 | | PERC | 245 (37.9%) | 0 | | Back Contact | 21 (3.3%) | 0 | | N-type | 17 (2.6%) | 0 | | 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 | ## Summary AE Solar is a German-founded PV module manufacturer established in 2003 by the Maier brothers and headquartered in Königsbrunn, Bavaria. The company operates production facilities in Turkey, China, and Georgia, with a combined annual manufacturing capacity exceeding 2 GW. In 2024, BloombergNEF recognized AESOLAR as Europe's sole Tier 1 module manufacturer with the highest bankability rating, a distinction that carries tangible weight for project financiers and large-scale procurement. Wattpower Technology Co., Ltd is a Chinese PV module producer listed on the ENF Solar industry directory and distributed in several European markets. Publicly available data on Wattpower's production scale, bankability status, and certifications is sparse, which places AE Solar in a clearly stronger institutional position by any standard measure. AE Solar's current lineup is anchored by N-type TOPCon technology, most notably the Meteor series featuring bifacial double-glass construction with G12R half-cut cells and a power range spanning approximately 415 W to 725 W. These modules are positioned across residential rooftop, commercial and industrial, and utility-scale ground-mount applications. Third-party validation is notable: the company received the Kiwa PVEL Top Performer Award in 2025 and a five-star rating from PV Magazine in N-type TOPCon performance testing. Wattpower's product portfolio appears to cover residential and commercial segments based on distributor listings, but independently verified cell technology specifications and efficiency benchmarks are not readily available in trade or specialist press. For an international buyer prioritizing bankability, supply chain transparency, and independently verified module performance, AE Solar is the stronger default choice of the two. Wattpower may appeal as a budget-oriented option in markets where it has established distribution, but the lack of public technical documentation and no confirmed Tier 1 status means due diligence falls heavily on the buyer. The two brands are not meaningfully interchangeable when project financing or long-term performance guarantees are central concerns. 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 Wattpower](https://comparepv.com/aeet-vs-wattpower) - [AE Solar vs AIKO](https://comparepv.com/ae-solar-vs-aiko) - [AKCOME vs Wattpower](https://comparepv.com/akcome-vs-wattpower) - [AE Solar vs ARTsolar](https://comparepv.com/ae-solar-vs-artsolar) - [ASM vs Wattpower](https://comparepv.com/asm-vs-wattpower) --- Source: https://comparepv.com/ae-solar-vs-wattpower Not in this file, on the page: the distributions above drawn as charts.