--- title: "AKCOME vs Sigenergy - Brand Comparison | ComparePV" description: "Compare AKCOME vs Sigenergy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/akcome-vs-sigenergy" --- # AKCOME vs Sigenergy AKCOME has the broader catalog (3 vs 0 models). AKCOME leans bifacial (100% of lineup). ## The two companies | Attribute | AKCOME | Sigenergy | | --- | --- | --- | | Country | China | China | | Headquarters | Suzhou | Shanghai | | Founded | 2003 | 2022 | | Employees | | 500-1000 | | Annual capacity | | | | Tier 1 | no | | | Listed | | HKEX: 6656 | | Website | [https://www.akcome.com](https://www.akcome.com) | [https://www.sigenergy.com](https://www.sigenergy.com) | Sigenergy is a Shanghai-based energy technology company specializing in all-in-one solar inverters, battery energy storage systems (BESS), and EV chargers for residential, commercial, and utility-scale applications. Founded in 2022 by Tony Xu, a former Huawei Smart PV executive, the company positions itself as the... ## Catalog & Power | Measure | AKCOME | Sigenergy | Margin | | --- | --- | --- | --- | | Panel Models | 3 | 0 | +3 | | Max Power | 700 W | 0 W | +700 W | | Avg Power | 672 W | 0 W | +672 W | ## Efficiency | Measure | AKCOME | Sigenergy | Margin | | --- | --- | --- | --- | | Max Efficiency | 22.54% | - | | | Avg Efficiency | 21.63% | - | | ## Reliability & Warranty | Measure | AKCOME | Sigenergy | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.240%/°C | - | | | Bifacial Share | 3 (100%) | 0 (0%) | +100 pp | | Avg Warranty | 30.0 yrs | - | | ## Efficiency distribution | Efficiency band | AKCOME | Sigenergy | | --- | --- | --- | | 21-22% | 2 (66.7%) | 0 | | 22-23% | 1 (33.3%) | 0 | ## Power distribution AKCOME offers more 600W+ panels (100% of lineup) | Power band | AKCOME | Sigenergy | | --- | --- | --- | | 600-699W | 2 (66.7%) | 0 | | 700W+ | 1 (33.3%) | 0 | ## Cell technology Dominant cell tech: **HJT** (100%) | Technology | AKCOME | Sigenergy | | --- | --- | --- | | HJT | 3 (100.0%) | 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 | ## Summary Sigenergy is a Chinese energy technology company founded in 2022 and headquartered in Shanghai, with roots in Huawei's Smart PV division - co-founders Tony Xu and Zhang Xianmiao both held senior roles there. Critically, Sigenergy does not manufacture solar panels; it specializes in integrated energy storage systems, hybrid inverters, and EV charging hardware sold under the SigenStor brand. AKCOME (Akcome Optronics Science and Technology) is a Chinese solar panel manufacturer founded in 2006, employing over 6,000 people across more than 30 countries. It reached Bloomberg Tier 1 status as of 2022, but a subsidiary filed for bankruptcy in 2024 under debt pressure, and PV ModuleTech assigned the group a CC+ bankability rating in mid-2024 - a below-investment-grade designation signaling material financial risk. On recent market momentum, Sigenergy holds the stronger institutional position, having reached number one in Australia's residential battery market by blended capacity as of March 2025. Because Sigenergy does not make panels, the two companies occupy complementary rather than competing roles in a solar installation. Sigenergy's SigenStor bundles a solar inverter, LFP battery storage scalable from roughly 6 kWh to 54 kWh, a power conversion system, and a DC EV charger into one modular unit, aimed at residential and light-commercial buyers who want an all-in-one system. AKCOME covers the panel layer, with a catalog spanning PERC, HJT, and TOPCon modules in the 655 W to 700 W range. Its HJT line targets buyers seeking high module efficiency in constrained roof space, with select models reportedly reaching 22.5% efficiency, and the company offers a 25-year performance warranty. For buyers comparing the two directly as panel suppliers, the comparison does not hold - Sigenergy sells no modules. For buyers evaluating AKCOME panels, the 2024 bankruptcy of a key subsidiary is a material warranty-support risk that should factor into any procurement decision. Sigenergy merits consideration on the inverter-and-storage side, though a 2025 single-phase inverter recall in Australia is worth monitoring before committing at scale. \---LINKS--- \- https://www.solarquotes.com.au/panels/akcome-review.html \| AKCOME Solar Panels Review - SolarQuotes \| review \- https://www.solarchoice.net.au/products/panels/akcome-solar-panels-review/ \| Akcome Solar Panels - Independent Review by Solar Choice \| review \- https://comparepv.com/reviews/akcome \| AKCOME Solar Panels Review 2026 - ComparePV \| review \- https://www.solarquotes.com.au/battery-storage/reviews/sigenergy-review.html \| Sigenergy SigenStor Battery Review - SolarQuotes \| review \- https://7sun.eu/pv-moduletech-bankability-ratings-q2-2024/ \| PV ModuleTech Bankability Ratings Q2 2024 \| 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 Sigenergy](https://comparepv.com/ae-solar-vs-sigenergy) - [AKCOME vs AEET](https://comparepv.com/akcome-vs-aeet) - [AIKO vs Sigenergy](https://comparepv.com/aiko-vs-sigenergy) - [AKCOME vs ARTsolar](https://comparepv.com/akcome-vs-artsolar) - [ASM vs Sigenergy](https://comparepv.com/asm-vs-sigenergy) --- Source: https://comparepv.com/akcome-vs-sigenergy Not in this file, on the page: the distributions above drawn as charts.