--- title: "AIKO vs Epax Solar - Brand Comparison | ComparePV" description: "Compare AIKO vs Epax Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/aiko-vs-epax-solar" --- # AIKO vs Epax Solar AIKO has the broader catalog (144 vs 0 models). AIKO leans bifacial (24% of lineup). ## The two companies | Attribute | AIKO | Epax Solar | | --- | --- | --- | | Country | China | Germany | | Headquarters | Shanghai | Deggendorf | | Founded | 2009 | 2019 | | Employees | | 1-10 | | Annual capacity | | | | Tier 1 | yes | | | Listed | SZSE: 600732 | | | Website | [https://www.aikosolar.com](https://www.aikosolar.com) | [https://www.epax-solar.de](https://www.epax-solar.de) | Epax Solar is an owner-managed wholesaler for photovoltaic components. They reliably supply solar installers across Germany and Europe with a wide product portfolio, thanks to direct manufacturer partnerships and efficient logistics. Epax Solar is committed to clean energy generation and sustainability. ## Catalog & Power | Measure | AIKO | Epax Solar | Margin | | --- | --- | --- | --- | | Panel Models | 144 | 0 | +144 | | Max Power | 805 W | 0 W | +805 W | | Avg Power | 581 W | 0 W | +581 W | ## Efficiency | Measure | AIKO | Epax Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | 25.20% | - | | | Avg Efficiency | 23.65% | - | | ## Reliability & Warranty | Measure | AIKO | Epax Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.271%/°C | - | | | Bifacial Share | 35 (24%) | 0 (0%) | +24 pp | | Avg Warranty | 29.5 yrs | - | | ## Efficiency distribution AIKO skews to higher efficiency: 85% of lineup is 23%+ | Efficiency band | AIKO | Epax Solar | | --- | --- | --- | | \<20% | 3 (2.1%) | 0 | | 20-21% | 3 (2.1%) | 0 | | 21-22% | 3 (2.1%) | 0 | | 22-23% | 12 (8.3%) | 0 | | 23%+ | 123 (85.4%) | 0 | ## Power distribution AIKO offers more 600W+ panels (60% of lineup) | Power band | AIKO | Epax Solar | | --- | --- | --- | | \<400W | 2 (1.4%) | 0 | | 400-499W | 50 (34.7%) | 0 | | 500-599W | 5 (3.5%) | 0 | | 600-699W | 78 (54.2%) | 0 | | 700W+ | 9 (6.2%) | 0 | ## Cell technology Dominant cell tech: **Back Contact** (83%) | Technology | AIKO | Epax Solar | | --- | --- | --- | | Back Contact | 119 (82.6%) | 0 | | N-type | 17 (11.8%) | 0 | | PERC | 7 (4.9%) | 0 | | Flexible | 1 (0.7%) | 0 | ## Top panels, AIKO | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 | 25.1 | -0.260 | Monocrystalline | | 2 | [AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 | 24.9 | -0.260 | Monocrystalline | | 3 | [AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 | 24.8 | -0.260 | Monocrystalline | | 4 | [AIKO-A790-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a790-grh78dw) | 790 | 24.6 | -0.260 | Monocrystalline | | 5 | [AIKO-A785-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a785-grh78dw) | 785 | 24.4 | -0.260 | Monocrystalline | | 6 | [AIKO-A780-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a780-grh78dw) | 780 | 24.3 | -0.260 | Monocrystalline | | 7 | [AIKO-A775-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a775-grh78dw) | 775 | 24.1 | -0.260 | Monocrystalline | | 8 | [AIKO-A770-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a770-grh78dw) | 770 | 24.0 | -0.260 | Monocrystalline | | 9 | [AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 | 25.0 | -0.260 | Monocrystalline | | 10 | [AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 | 24.9 | -0.260 | Monocrystalline | ## Summary Epax Solar is a German company headquartered in Deggendorf, Bavaria, operating as an owner-managed, family-run photovoltaic wholesale distributor rather than a primary panel manufacturer. The company supplies solar installers and contractors across Germany and the wider European market with a broad range of PV components - modules, inverters, storage systems, and mounting hardware - sourced from partner manufacturers. No BloombergNEF Tier 1 bankability designation has been documented for Epax Solar, and no independently verified annual production capacity in gigawatts applies, as the firm does not operate its own large-scale cell or module fabrication. AIKO Solar, by contrast, is a Chinese manufacturer founded to develop and commercialize its proprietary all-back-contact cell technology, and by Q1 2025 the company reported approximately 20 GW of annual module production capacity. AIKO achieved BloombergNEF Tier 1 status in Q3 2024, confirming that its modules have been used in bankable, non-recourse financed projects worldwide. On institutional footprint, AIKO holds a substantially stronger position. AIKO's product families center on N-type ABC (all-back-contact) modules, with lines such as Neostar targeting premium residential rooftops and the Infinite and Navigator series addressing commercial and industrial ground-mount applications. A March 2025 pv-magazine report noted a 500 W C&I back-contact module rated at 25% efficiency, and a February 2025 report documented a 480 W residential panel at 24.3% module efficiency - figures independently verified by industry press. Epax Solar, as a distributor, does offer panels under its own brand label, with ENF Solar listing models in roughly the 375-460 W range, but cell technology, efficiency ratings, and underlying manufacturer details are not transparently published, making direct technical comparison difficult. For a typical buyer in 2025 looking for a bankable, high-efficiency panel with documented warranties and third-party validation, AIKO is the clearer choice. Epax Solar serves a different function - it is primarily a B2B distribution channel for the German and European installer trade, not a competing panel brand in the same sense. The two are not directly interchangeable: one is a vertically integrated module manufacturer with a global footprint, the other is a regional wholesaler. \---LINKS--- \- https://www.pv-magazine.com/2025/02/07/aiko-launches-new-rooftop-solar-panels-with-24-3-efficiency/ \| Aiko launches new rooftop solar panels with 24.3% efficiency \| article \- https://www.pv-magazine.com/2025/03/12/aiko-launches-500-w-ci-back-contact-solar-module-with-25-efficiency/ \| Aiko launches 500 W C&I back-contact solar module with 25% efficiency \| article \- https://aikosolar.com/en/aiko-achieves-prestigious-tier1-status/ \| AIKO Achieves Prestigious Tier 1 Status by BloombergNEF \| article \- https://www.solarquotes.com.au/panels/aiko-solar-review.html \| Aiko Solar panels review - SolarQuotes \| review \- https://www.enfsolar.com/epax-solar \| Epax Solar GmbH seller profile - ENF Solar \| article Sources: \- \[Aiko launches new rooftop solar panels with 24.3% efficiency\](https://www.pv-magazine.com/2025/02/07/aiko-launches-new-rooftop-solar-panels-with-24-3-efficiency/) \- \[Aiko launches 500 W C&I back-contact solar module with 25% efficiency\](https://www.pv-magazine.com/2025/03/12/aiko-launches-500-w-ci-back-contact-solar-module-with-25-efficiency/) \- \[AIKO Achieves Prestigious Tier 1 Status by BloombergNEF\](https://aikosolar.com/en/aiko-achieves-prestigious-tier1-status/) \- \[Aiko Solar panels review - SolarQuotes\](https://www.solarquotes.com.au/panels/aiko-solar-review.html) \- \[Epax Solar GmbH seller profile - ENF Solar\](https://www.enfsolar.com/epax-solar) Written by claude-sonnet from the figures above. ## Other comparisons - [AIKO vs A.B. Energy](https://comparepv.com/aiko-vs-a-b-energy) - [AE Solar vs Epax Solar](https://comparepv.com/ae-solar-vs-epax-solar) - [AIKO vs AEET](https://comparepv.com/aiko-vs-aeet) - [AKCOME vs Epax Solar](https://comparepv.com/akcome-vs-epax-solar) - [AIKO vs ARTsolar](https://comparepv.com/aiko-vs-artsolar) - [ASM vs Epax Solar](https://comparepv.com/asm-vs-epax-solar) --- Source: https://comparepv.com/aiko-vs-epax-solar Not in this file, on the page: the distributions above drawn as charts.