---
title: "Bisol vs AKCOME - Brand Comparison | ComparePV"
description: "Compare Bisol vs AKCOME solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/bisol-vs-akcome"
---

# Bisol vs AKCOME

Bisol has the broader catalog (12 vs 3 models). Bisol leads on peak efficiency at 23.50%. AKCOME leans bifacial (100% of lineup).


## The two companies


| Attribute | Bisol | AKCOME |
| --- | --- | --- |
| Country | Slovenia | China |
| Headquarters | Prebold | Suzhou |
| Founded | 2004 | 2003 |
| Employees | 200-500 |  |
| Annual capacity | \<1 GW/year |  |
| Tier 1 | no | no |
| Listed |  |  |
| Website | [https://www.bisol.com](https://www.bisol.com) | [https://www.akcome.com](https://www.akcome.com) |

BISOL Group is a European manufacturer of high-quality photovoltaic modules headquartered in Prebold, Slovenia. Founded in 2004, it is considered Europe's leading authentic solar module producer with a production capacity of 750 MW and products distributed in over 120 countries. The company operates debt-free and has...


## Catalog & Power


| Measure | Bisol | AKCOME | Margin |
| --- | --- | --- | --- |
| Panel Models | 12 | 3 | +9 |
| Max Power | 580 W | 700 W | +120 W |
| Avg Power | 475 W | 672 W | +197 W |


## Efficiency


| Measure | Bisol | AKCOME | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.50% | 22.54% | +0.96 pp |
| Avg Efficiency | 21.75% | 21.63% | +0.12 pp |


## Reliability & Warranty


| Measure | Bisol | AKCOME | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.291%/°C | -0.240%/°C | +0.051 |
| Bifacial Share | 1 (8%) | 3 (100%) | +92 pp |
| Avg Warranty | 29.6 yrs | 30.0 yrs | +0.4 yr |


## Efficiency distribution

Bisol skews to higher efficiency: 33% of lineup is 23%+


| Efficiency band | Bisol | AKCOME |
| --- | --- | --- |
| \<20% | 2 (16.7%) | 0 |
| 20-21% | 1 (8.3%) | 0 |
| 22-23% | 5 (41.7%) | 1 (33.3%) |
| 23%+ | 4 (33.3%) | 0 |
| 21-22% | 0 | 2 (66.7%) |


## Power distribution

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


| Power band | Bisol | AKCOME |
| --- | --- | --- |
| \<400W | 2 (16.7%) | 0 |
| 400-499W | 4 (33.3%) | 0 |
| 500-599W | 6 (50.0%) | 0 |
| 600-699W | 0 | 2 (66.7%) |
| 700W+ | 0 | 1 (33.3%) |


## Cell technology

Dominant cell tech: **PERC** (58%)

Dominant cell tech: **HJT** (100%)


| Technology | Bisol | AKCOME |
| --- | --- | --- |
| PERC | 7 (58.3%) | 0 |
| TOPCon | 5 (41.7%) | 0 |
| HJT | 0 | 3 (100.0%) |


## Top panels, Bisol


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 | 23.5 | -0.290 | Monocrystalline |
| 2 | [BGO 570](https://comparepv.com/panel/bisol-bgo-570) | 570 | 23.1 | -0.290 | Monocrystalline |
| 3 | [BGO 560](https://comparepv.com/panel/bisol-bgo-560) | 560 | 22.7 | -0.290 | Monocrystalline |
| 4 | [BBO 520](https://comparepv.com/panel/bisol-bbo-520) | 520 | 23.2 | -0.290 | Monocrystalline |
| 5 | [BBO 510](https://comparepv.com/panel/bisol-bbo-510) | 510 | 22.8 | -0.290 | Monocrystalline |
| 6 | [BBO 500](https://comparepv.com/panel/bisol-bbo-500) | 500 | 22.3 | -0.290 | Monocrystalline |
| 7 | [BDO 460](https://comparepv.com/panel/bisol-bdo-460) | 460 | 23.0 | -0.290 | Monocrystalline |
| 8 | [BDO 450](https://comparepv.com/panel/bisol-bdo-450) | 450 | 22.5 | -0.290 | Monocrystalline |
| 9 | [BDO 440](https://comparepv.com/panel/bisol-bdo-440) | 440 | 22.0 | -0.290 | Monocrystalline |
| 10 | [BDO 410](https://comparepv.com/panel/bisol-bdo-410) | 410 | 20.5 | -0.290 | Monocrystalline |


## 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

Bisol is a European solar module manufacturer founded in 2004 and headquartered in Prebold, Slovenia. The company reports an annual production capacity of approximately 750 MW and describes itself as Europe's largest PV module producer. While Bisol is well regarded among European installers for quality and reliability, available research does not confirm it holds BloombergNEF Tier 1 bankability status alongside the major volume players. AKCOME, formally Jiangsu Akcome Science and Technology Co., Ltd., is a Chinese manufacturer founded in 2006 that has confirmed BNEF Tier 1 status and has announced planned N-type cell capacity in the multi-gigawatt range at its Changxing base, giving it a considerably larger institutional footprint in global project finance.

Bisol's current product lineup centers on G12R TOPCon technology, most visibly in its BGO series designed to meet European regulatory standards, alongside the premium Supreme series targeting residential rooftops where aesthetics and long-term output guarantees are priorities. The brand earned updated hail-impact certifications in 2025 and markets a 25-year 100% output power guarantee as a key differentiator. AKCOME has built its technical identity primarily around heterojunction (HJT) technology, reporting mass-production cell efficiencies above 25%, while also producing TOPCon modules. Its range spans compact residential formats up to high-wattage configurations suited to commercial rooftops and utility-scale ground mounts, and independent reviewers generally position the brand at the budget-to-mid pricing tier.

For European residential and small-commercial projects in 2025, Bisol is the more natural fit, as local manufacturing provides shorter lead times, stronger EU supply-chain traceability, and firm warranty terms. AKCOME suits cost-sensitive utility or larger commercial projects where BNEF Tier 1 bankability is a lender requirement and price per watt is the primary driver, though the brand's limited third-party test visibility and a flagged website accessibility issue noted in early 2025 are worth raising during lender due diligence.

\---LINKS---

\- https://balkangreenenergynews.com/solar-module-maker-bisol-to-triple-production-capacity-with-new-slovenian-plant/ \| Bisol to triple production capacity with new Slovenian plant \| article

\- https://www.pv-magazine.com/press-releases/25-6-akcome-pushes-its-mass-production-hjt-cell-efficiency-to-a-new-high/ \| AKCOME pushes mass-production HJT cell efficiency to 25.6% \| article

\- https://www.pv-tech.org/akcome-technologies-on-hjt-cell-production/ \| Akcome Technologies on HJT cell production and copper plating \| article

\- 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

Sources:

\- \[Bisol to triple production capacity with new Slovenian plant\](https://balkangreenenergynews.com/solar-module-maker-bisol-to-triple-production-capacity-with-new-slovenian-plant/)

\- \[AKCOME pushes mass-production HJT cell efficiency to 25.6% - PV Magazine\](https://www.pv-magazine.com/press-releases/25-6-akcome-pushes-its-mass-production-hjt-cell-efficiency-to-a-new-high/)

\- \[Akcome Technologies on HJT cell production and copper plating - PV Tech\](https://www.pv-tech.org/akcome-technologies-on-hjt-cell-production/)

\- \[Akcome Solar Panels Review - SolarQuotes\](https://www.solarquotes.com.au/panels/akcome-review.html)

\- \[Akcome Solar Panels - Independent Review by Solar Choice\](https://www.solarchoice.net.au/products/panels/akcome-solar-panels-review/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Bisol vs A.B. Energy](https://comparepv.com/bisol-vs-a-b-energy)
- [AE Solar vs AKCOME](https://comparepv.com/ae-solar-vs-akcome)
- [Bisol vs AEET](https://comparepv.com/bisol-vs-aeet)
- [AIKO vs AKCOME](https://comparepv.com/aiko-vs-akcome)
- [Bisol vs ARTsolar](https://comparepv.com/bisol-vs-artsolar)
- [ASM vs AKCOME](https://comparepv.com/asm-vs-akcome)


---

Source: https://comparepv.com/bisol-vs-akcome

Not in this file, on the page: the distributions above drawn as charts.