--- title: "SOMI vs AIKO - Brand Comparison | ComparePV" description: "Compare SOMI vs AIKO solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/somi-vs-aiko" --- # SOMI vs AIKO AIKO has the broader catalog (144 vs 6 models). AIKO leads on peak efficiency at 25.20%. AIKO leans bifacial (24% of lineup). ## The two companies | Attribute | SOMI | AIKO | | --- | --- | --- | | Country | | China | | Headquarters | | Shanghai | | Founded | | 2009 | | Employees | | | | Annual capacity | | | | Tier 1 | no | yes | | Listed | | SZSE: 600732 | | Website | | [https://www.aikosolar.com](https://www.aikosolar.com) | ## Catalog & Power | Measure | SOMI | AIKO | Margin | | --- | --- | --- | --- | | Panel Models | 6 | 144 | +138 | | Max Power | 550 W | 805 W | +255 W | | Avg Power | 538 W | 581 W | +44 W | ## Efficiency | Measure | SOMI | AIKO | Margin | | --- | --- | --- | --- | | Max Efficiency | 21.30% | 25.20% | +3.90 pp | | Avg Efficiency | 20.80% | 23.65% | +2.85 pp | ## Reliability & Warranty | Measure | SOMI | AIKO | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.350%/°C | -0.271%/°C | +0.079 | | Bifacial Share | 0 (0%) | 35 (24%) | +24 pp | | Avg Warranty | 30.0 yrs | 29.5 yrs | +0.5 yr | ## Efficiency distribution AIKO skews to higher efficiency: 85% of lineup is 23%+ | Efficiency band | SOMI | AIKO | | --- | --- | --- | | 20-21% | 4 (66.7%) | 3 (2.1%) | | 21-22% | 2 (33.3%) | 3 (2.1%) | | \<20% | 0 | 3 (2.1%) | | 22-23% | 0 | 12 (8.3%) | | 23%+ | 0 | 123 (85.4%) | ## Power distribution AIKO offers more 600W+ panels (60% of lineup) | Power band | SOMI | AIKO | | --- | --- | --- | | 500-599W | 6 (100.0%) | 5 (3.5%) | | \<400W | 0 | 2 (1.4%) | | 400-499W | 0 | 50 (34.7%) | | 600-699W | 0 | 78 (54.2%) | | 700W+ | 0 | 9 (6.2%) | ## Cell technology Dominant cell tech: **PERC** (100%) Dominant cell tech: **Back Contact** (83%) | Technology | SOMI | AIKO | | --- | --- | --- | | PERC | 6 (100.0%) | 7 (4.9%) | | Back Contact | 0 | 119 (82.6%) | | N-type | 0 | 17 (11.8%) | | Flexible | 0 | 1 (0.7%) | ## Top panels, SOMI | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SP550M-72HB](https://comparepv.com/panel/somi-sp550m-72hb) | 550 | 21.3 | -0.350 | Monocrystalline | | 2 | [SP545M-72HB](https://comparepv.com/panel/somi-sp545m-72hb) | 545 | 21.1 | -0.350 | Monocrystalline | | 3 | [SP540M-72HB](https://comparepv.com/panel/somi-sp540m-72hb) | 540 | 20.9 | -0.350 | Monocrystalline | | 4 | [SP535M-72HB](https://comparepv.com/panel/somi-sp535m-72hb) | 535 | 20.7 | -0.350 | Monocrystalline | | 5 | [SP530M-72HB](https://comparepv.com/panel/somi-sp530m-72hb) | 530 | 20.5 | -0.350 | Monocrystalline | | 6 | [SP525M-72HB](https://comparepv.com/panel/somi-sp525m-72hb) | 525 | 20.3 | -0.350 | Monocrystalline | ## 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 SOMI (SOMI Applications and Services s.r.o.) is a small Czech-based solar company that functions primarily as a regional panel supplier and installer rather than a vertically integrated manufacturer. It holds no documented BloombergNEF Tier 1 bankability designation, and available industry sources place it firmly in the category of a local or mid-European distribution business rather than a volume producer with global project financing behind it. AIKO Solar, by contrast, is a Chinese manufacturer founded in 2009 that achieved BloombergNEF Tier 1 status in Q3 2024, operates six production facilities in China alongside R&D centers in China and Europe, and reported a nameplate production capacity of around 20 GW as of early 2025. On institutional footprint, AIKO is significantly larger and more bankable. SOMI's publicly documented product range covers monocrystalline and PERC bifacial modules in a mid-wattage bracket aimed at residential and small commercial rooftops in Central Europe - a sensible positioning for a regional operator serving installers in a single-country or multi-country niche. AIKO centers its entire product strategy on N-type ABC (All Back Contact) cell technology, which relocates all electrical contacts to the rear of the cell, boosting light capture and enabling module efficiencies reaching 25.2% - a world record figure demonstrated at Intersolar Munich in 2024 and confirmed by PV Magazine. The ABC line targets premium residential rooftops and space-constrained commercial installations where every square meter of generation matters, and AIKO panels earned top-performer recognition in the 2024 PV Top Performers List across multiple test categories. For most buyers outside Central Europe seeking a bankable, high-efficiency panel in 2025, AIKO is the stronger default choice. Its Tier 1 status, demonstrable technology lead in the ABC segment, and independent third-party validation make it a defensible pick for residential projects where long-term performance and warranty security are priorities. SOMI may suit buyers who value local service relationships and supply-chain proximity within the Czech or broader Central European market, but it cannot match AIKO's documented global track record. \---LINKS--- \- https://www.pv-magazine.com/2024/06/19/aiko-presents-abc-solar-module-with-world-record-efficiency-of-25-2-at-intersolar/ \| AIKO presents ABC module with world record 25.2% efficiency at Intersolar \| article \- https://www.pv-tech.org/aiko-capacity-upgrades-abc-cell-technology/ \| AIKO steps up ABC transition with 11 GW capacity upgrade \| article \- https://www.solarquotes.com.au/panels/aiko-solar-review.html \| AIKO Solar panels review - SolarQuotes \| review \- https://www.solarchoice.net.au/products/panels/aiko-solar-panels-review/ \| AIKO Solar panels independent review - Solar Choice \| review \- https://www.enfsolar.com/somi \| SOMI Applications and Services s.r.o. profile - ENF Solar \| article Written by claude-sonnet from the figures above. ## Other comparisons - [SOMI vs A.B. Energy](https://comparepv.com/somi-vs-a-b-energy) - [AE Solar vs AIKO](https://comparepv.com/ae-solar-vs-aiko) - [SOMI vs AEET](https://comparepv.com/somi-vs-aeet) - [AKCOME vs AIKO](https://comparepv.com/akcome-vs-aiko) - [SOMI vs ARTsolar](https://comparepv.com/somi-vs-artsolar) - [ASM vs AIKO](https://comparepv.com/asm-vs-aiko) --- Source: https://comparepv.com/somi-vs-aiko Not in this file, on the page: the distributions above drawn as charts.