--- title: "AKCOME vs KDM Kingdom Solar - Brand Comparison | ComparePV" description: "Compare AKCOME vs KDM Kingdom Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/akcome-vs-kdm-kingdom-solar" --- # AKCOME vs KDM Kingdom Solar KDM Kingdom Solar leads on peak efficiency at 22.80%. AKCOME leans bifacial (100% of lineup). ## The two companies | Attribute | AKCOME | KDM Kingdom Solar | | --- | --- | --- | | Country | China | China | | Headquarters | Suzhou | Hefei | | Founded | 2003 | 2010 | | Employees | | 100 | | Annual capacity | | 1 GW/year | | Tier 1 | no | no | | Listed | | | | Website | [https://www.akcome.com](https://www.akcome.com) | [https://www.kdmsolar.com](https://www.kdmsolar.com) | KDM Kingdom Solar is a Chinese solar module manufacturer based in Hefei, Anhui Province. The company specializes in manufacturing monocrystalline solar panels for global markets. ## Catalog & Power | Measure | AKCOME | KDM Kingdom Solar | Margin | | --- | --- | --- | --- | | Panel Models | 3 | 3 | | | Max Power | 700 W | 590 W | +110 W | | Avg Power | 672 W | 533 W | +138 W | ## Efficiency | Measure | AKCOME | KDM Kingdom Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | 22.54% | 22.80% | +0.26 pp | | Avg Efficiency | 21.63% | 22.46% | +0.83 pp | ## Reliability & Warranty | Measure | AKCOME | KDM Kingdom Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.240%/°C | -0.290%/°C | +0.050 | | Bifacial Share | 3 (100%) | 0 (0%) | +100 pp | | Avg Warranty | 30.0 yrs | 30.0 yrs | | ## Efficiency distribution | Efficiency band | AKCOME | KDM Kingdom Solar | | --- | --- | --- | | 21-22% | 2 (66.7%) | 0 | | 22-23% | 1 (33.3%) | 3 (100.0%) | ## Power distribution AKCOME offers more 600W+ panels (100% of lineup) | Power band | AKCOME | KDM Kingdom Solar | | --- | --- | --- | | 600-699W | 2 (66.7%) | 0 | | 700W+ | 1 (33.3%) | 0 | | 400-499W | 0 | 1 (33.3%) | | 500-599W | 0 | 2 (66.7%) | ## Cell technology Dominant cell tech: **HJT** (100%) Dominant cell tech: **N-type** (100%) | Technology | AKCOME | KDM Kingdom Solar | | --- | --- | --- | | HJT | 3 (100.0%) | 0 | | N-type | 0 | 3 (100.0%) | ## Top panels, AKCOME | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SKA611HDGDC-700W](https://comparepv.com/panel/akcome-ska611hdgdc-700w) | 700 | 22.5 | -0.240 | Monocrystalline | | 2 | [SKA611HDGDC-660W](https://comparepv.com/panel/akcome-ska611hdgdc-660w) | 660 | 21.2 | -0.240 | Monocrystalline | | 3 | [SKA611HDGDC-655W](https://comparepv.com/panel/akcome-ska611hdgdc-655w) | 655 | 21.1 | -0.240 | Monocrystalline | ## Top panels, KDM Kingdom Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [KD-M590-144-N](https://comparepv.com/panel/kdm-kingdom-solar-kd-m590-144-n) | 590 | 22.8 | -0.290 | Monocrystalline | | 2 | [KD-M570-144-N](https://comparepv.com/panel/kdm-kingdom-solar-kd-m570-144-n) | 570 | 22.1 | -0.290 | Monocrystalline | | 3 | [KD-M440-108-N](https://comparepv.com/panel/kingdom-kd-m440-108-n) | 440 | 22.5 | -0.290 | Monocrystalline | ## Summary AKCOME is a Chinese solar manufacturer headquartered in Zhejiang Province that built a notable position in the market around heterojunction (HJT) cell technology. Prior to its financial difficulties it held BloombergNEF Tier 1 bankability status and operated module production capacity reported at roughly 3.8 GW per year alongside a 5 GW mounting-systems line. However, in mid-2024 a key subsidiary entered court-supervised bankruptcy reorganization and the Shenzhen Stock Exchange delisted AKCOME's shares in August 2024 after they fell below the minimum threshold for 20 consecutive days. The company was also removed from TaiyangNews Top Solar Modules tracking in January 2025. KDM Kingdom Solar - operating as Zhejiang Kingdom Solar Energy Technic Co., Ltd. - is a smaller Chinese manufacturer based in Linhai City, Zhejiang Province, with reported annual capacity of around 1 GW. It serves over 100 countries and carries standard international certifications (TUV, IEC 61215, IEC 61730, ISO 9001), but no current BloombergNEF Tier 1 listing was found in available sources. On institutional footprint, AKCOME historically held the stronger position, though that standing has been severely eroded by its ongoing restructuring. In terms of product focus, AKCOME built its recent lineup around HJT modules in the 655W-700W range, targeting commercial rooftops and utility-scale ground mounts where high efficiency and low-light performance matter. KDM Kingdom Solar offers a broader wattage range - from small fringe-use panels up to around 530-550W half-cell Mono PERC modules - positioning itself primarily as a value-oriented supplier for commercial and export markets rather than a premium performance brand. For a typical buyer in 2025, neither manufacturer represents a straightforward recommendation. AKCOME's HJT technology was genuinely competitive, but its bankruptcy proceedings introduce serious uncertainty around warranty enforcement and long-term parts support - risks that most project finance lenders and commercial installers cannot accept. KDM Kingdom Solar is a less-discussed brand with modest independent coverage, making due diligence harder. Buyers seeking bankable, lower-risk procurement would be better served looking to established Tier 1 manufacturers; between these two specifically, KDM presents a less acute financial risk, though it lacks the performance pedigree AKCOME once offered. \---LINKS--- \- https://www.pv-magazine.com/2024/07/30/chinese-pv-industry-brief-akcome-provides-update-on-restructuring-process/ \| AKCOME bankruptcy reorganization update - pv magazine July 2024 \| article \- https://www.solarquotes.com.au/panels/akcome-review.html \| AKCOME solar panels independent review - SolarQuotes \| review \- https://comparepv.com/reviews/akcome \| AKCOME Solar Panels Review 2026 - ComparePV \| review \- https://www.energysage.com/supplier/24270/kingdom-solar/ \| Kingdom Solar profile and reviews - EnergySage \| review \- https://www.enfsolar.com/kingdom-solar \| Zhejiang Kingdom Solar Energy Technic - ENF Solar profile \| article Written by claude-sonnet from the figures above. ## Other comparisons - [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy) - [AE Solar vs KDM Kingdom Solar](https://comparepv.com/ae-solar-vs-kdm-kingdom-solar) - [AKCOME vs AEET](https://comparepv.com/akcome-vs-aeet) - [AIKO vs KDM Kingdom Solar](https://comparepv.com/aiko-vs-kdm-kingdom-solar) - [AKCOME vs ARTsolar](https://comparepv.com/akcome-vs-artsolar) - [ASM vs KDM Kingdom Solar](https://comparepv.com/asm-vs-kdm-kingdom-solar) --- Source: https://comparepv.com/akcome-vs-kdm-kingdom-solar Not in this file, on the page: the distributions above drawn as charts.