--- title: "AKCOME vs Growatt - Brand Comparison | ComparePV" description: "Compare AKCOME vs Growatt solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/akcome-vs-growatt" --- # AKCOME vs Growatt AKCOME has the broader catalog (3 vs 1 models). AKCOME leads on peak efficiency at 22.54%. AKCOME leans bifacial (100% of lineup). ## The two companies | Attribute | AKCOME | Growatt | | --- | --- | --- | | Country | China | China | | Headquarters | Suzhou | Shenzhen | | Founded | 2003 | 2010 | | Employees | | | | Annual capacity | | | | Tier 1 | no | no | | Listed | | | | Website | [https://www.akcome.com](https://www.akcome.com) | [https://www.growatt.com](https://www.growatt.com) | ## Catalog & Power | Measure | AKCOME | Growatt | Margin | | --- | --- | --- | --- | | Panel Models | 3 | 1 | +2 | | Max Power | 700 W | 150 W | +550 W | | Avg Power | 672 W | 150 W | +522 W | ## Efficiency | Measure | AKCOME | Growatt | Margin | | --- | --- | --- | --- | | Max Efficiency | 22.54% | 18.60% | +3.94 pp | | Avg Efficiency | 21.63% | 18.60% | +3.03 pp | ## Reliability & Warranty | Measure | AKCOME | Growatt | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.240%/°C | -0.420%/°C | +0.180 | | Bifacial Share | 3 (100%) | 0 (0%) | +100 pp | | Avg Warranty | 30.0 yrs | - | | ## Efficiency distribution | Efficiency band | AKCOME | Growatt | | --- | --- | --- | | 21-22% | 2 (66.7%) | 0 | | 22-23% | 1 (33.3%) | 0 | | \<20% | 0 | 1 (100.0%) | ## Power distribution AKCOME offers more 600W+ panels (100% of lineup) | Power band | AKCOME | Growatt | | --- | --- | --- | | 600-699W | 2 (66.7%) | 0 | | 700W+ | 1 (33.3%) | 0 | | \<400W | 0 | 1 (100.0%) | ## Cell technology Dominant cell tech: **HJT** (100%) Dominant cell tech: **PERC** (100%) | Technology | AKCOME | Growatt | | --- | --- | --- | | HJT | 3 (100.0%) | 0 | | PERC | 0 | 1 (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, Growatt | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [TS-EFS150M](https://comparepv.com/panel/growatt-ts-efs150m) | 150 | 18.6 | -0.420 | Monocrystalline | ## Summary AKCOME is a Chinese solar panel manufacturer founded in 2006 and headquartered in Zhejiang province. The company specializes in photovoltaic modules and mounting systems, reporting annual module production capacity of approximately 3.8 GW. AKCOME has previously appeared on BloombergNEF Tier 1 bankability lists, though one branch (Jiangsu AKCOME) was noted to have been removed from the list as recently as early 2025 - a sign that its institutional standing is less settled than that of larger Tier 1 incumbents. Growatt was founded in 2010 and is also headquartered in China; however, it is primarily known as an inverter and energy storage manufacturer rather than a panel producer, serving customers across more than 180 countries and connecting roughly 3.3 million users to its cloud monitoring platform. On the strength of institutional brand recognition for inverter and storage products, Growatt carries a broader global commercial footprint. AKCOME's panel lineup spans both heterojunction (HJT) and TOPCon cell technologies, with some bifacial products reported in the 655-700W range - positioning the brand mainly for commercial rooftop and utility-adjacent projects where high-efficiency n-type modules are valued. Its HJT production has attracted attention from market watchers at pv-tech.org for its specialized cell manufacturing processes. Growatt, by contrast, does offer some solar panels - primarily compact units in the 100-200W range aimed at off-grid and portable use - but its core product families are string inverters, hybrid inverters, and modular battery storage systems for residential and small commercial installations. The two brands therefore occupy largely non-overlapping product categories. For a buyer sourcing traditional rooftop or ground-mount solar modules, AKCOME is the relevant choice, with HJT and TOPCon options suited to premium efficiency requirements, though its Tier 1 status warrants verification before project financing. For a buyer building a residential solar-plus-storage system, Growatt is the better match, delivering a competitive inverter and battery stack at a price point below premium European brands - though long-term bankability for storage projects should be confirmed with lenders. The two manufacturers are essentially not interchangeable, since they serve different layers of the solar value chain. \---LINKS--- \- https://www.solarchoice.net.au/products/panels/akcome-solar-panels-review/ \| AKCOME Solar Panels - Independent Review by Solar Choice \| review \- https://www.pv-tech.org/akcome-technologies-on-hjt-cell-production/ \| AKCOME Technologies on HJT cell production and copper plating \| article \- https://www.solarchoice.net.au/products/inverters/Growatt-Review/ \| Growatt Solar Inverters - Independent Review by Solar Choice \| review \- https://pv-magazine-usa.com/press-releases/growatt-2026-roadmap-powering-the-next-wave-of-solar-storage-innovation/ \| Growatt 2026 Roadmap - Solar and Storage Innovation \| article Sources: \- \[AKCOME Solar Panels Review - Solar Choice\](https://www.solarchoice.net.au/products/panels/akcome-solar-panels-review/) \- \[AKCOME Technologies on HJT Cell Production - pv-tech\](https://www.pv-tech.org/akcome-technologies-on-hjt-cell-production/) \- \[Growatt Solar Inverters Review - Solar Choice\](https://www.solarchoice.net.au/products/inverters/Growatt-Review/) \- \[Growatt 2026 Roadmap - pv magazine USA\](https://pv-magazine-usa.com/press-releases/growatt-2026-roadmap-powering-the-next-wave-of-solar-storage-innovation/) 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 Growatt](https://comparepv.com/ae-solar-vs-growatt) - [AKCOME vs AEET](https://comparepv.com/akcome-vs-aeet) - [AIKO vs Growatt](https://comparepv.com/aiko-vs-growatt) - [AKCOME vs ARTsolar](https://comparepv.com/akcome-vs-artsolar) - [ASM vs Growatt](https://comparepv.com/asm-vs-growatt) --- Source: https://comparepv.com/akcome-vs-growatt Not in this file, on the page: the distributions above drawn as charts.