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AKCOME vs KDM Kingdom Solar - solar panel manufacturer comparison

AKCOME
China Founded 2003
Read the AKCOME review
VS
KDM Kingdom Solar
China Founded 2010
Read the KDM Kingdom Solar review
At a glance

KDM Kingdom Solar leads on peak efficiency at 22.80%. AKCOME leans bifacial (100% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
3 3
Highest power
700 Wp 590 Wp
Best efficiency
22.5% 22.8%
Average efficiency
21.6% 22.5%
Bifacial share
100% 0%
Average warranty
30 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
AKCOME
Founded
2003
Headquarters
Suzhou, China
KDM Kingdom Solar

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.

Founded
2010
Headquarters
Hefei, China
Annual capacity
1 GW/year
Employees
100
02

Catalogue against catalogue

Averages over every model in the database
Metric AKCOME KDM Kingdom Solar
Catalog & Power
Panel Models 3 3
Max Power 700 W+110 W 590 W
Avg Power 672 W+138 W 533 W
Efficiency
Max Efficiency 22.54% 22.80%+0.26 pp
Avg Efficiency 21.63% 22.46%+0.83 pp
Reliability & Warranty
Avg Temp Coefficient -0.240%/°C+0.050 -0.290%/°C
Bifacial Share 3 (100%)+100 pp 0 (0%)
Avg Warranty 30.0 yrs 30.0 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band
Power spread
Share of each catalogue in every power band

AKCOME offers more 600W+ panels (100% of lineup)

AKCOME cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (100%)

KDM Kingdom Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (100%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

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 655 W-700 W 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 530-550 W 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.

Generated by Claude Sonnet · 2026-06-24

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 2 AKCOME offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.