---
title: "Isola New Energy vs Q-Cells - Brand Comparison | ComparePV"
description: "Compare Isola New Energy vs Q-Cells solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/isola-new-energy-vs-q-cells"
---

# Isola New Energy vs Q-Cells

Q-Cells has the broader catalog (89 vs 55 models). Isola New Energy leads on peak efficiency at 23.27%. Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Isola New Energy | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Taizhou, Zhejiang Province | Seoul |
| Founded | 2006 | 1999 |
| Employees | 101 - 500 | 2000+ |
| Annual capacity | 3 GW/year | 11.2 GW/year |
| Tier 1 |  | yes |
| Listed |  | NASDAQ: HQCL |
| Website |  | [https://www.qcells.com](https://www.qcells.com) |

Zhejiang Isola New Energy Co., Ltd. is a tech-oriented enterprise involved in R&D, production, and installation of solar products including solar cells, solar panels, solar street lighting and on/off-grid solar systems. The company has a strong supplier network and operates three factories in Ningbo and Shandong...

Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...


## Catalog & Power


| Measure | Isola New Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 55 | 89 | +34 |
| Max Power | 720 W | 675 W | +45 W |
| Avg Power | 333 W | 468 W | +135 W |


## Efficiency


| Measure | Isola New Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.27% | 23.20% | +0.07 pp |
| Avg Efficiency | 19.82% | 21.21% | +1.40 pp |


## Reliability & Warranty


| Measure | Isola New Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.341%/°C | -0.325%/°C | +0.016 |
| Bifacial Share | 9 (16%) | 35 (39%) | +23 pp |
| Avg Warranty | 28.7 yrs | 27.0 yrs | +1.7 yr |


## Efficiency distribution

Isola New Energy skews to higher efficiency: 7% of lineup is 23%+


| Efficiency band | Isola New Energy | Q-Cells |
| --- | --- | --- |
| \<20% | 28 (50.9%) | 7 (7.9%) |
| 20-21% | 14 (25.5%) | 29 (32.6%) |
| 21-22% | 4 (7.3%) | 30 (33.7%) |
| 22-23% | 5 (9.1%) | 21 (23.6%) |
| 23%+ | 4 (7.3%) | 2 (2.2%) |


## Power distribution

Q-Cells offers more 600W+ panels (19% of lineup)


| Power band | Isola New Energy | Q-Cells |
| --- | --- | --- |
| \<400W | 34 (61.8%) | 20 (22.5%) |
| 400-499W | 13 (23.6%) | 41 (46.1%) |
| 500-599W | 5 (9.1%) | 11 (12.4%) |
| 700W+ | 3 (5.5%) | 0 |
| 600-699W | 0 | 17 (19.1%) |


## Cell technology

Dominant cell tech: **Flexible** (29%)

Dominant cell tech: **PERC** (43%)


| Technology | Isola New Energy | Q-Cells |
| --- | --- | --- |
| Unknown | 22 (40.0%) | 20 (22.5%) |
| Flexible | 16 (29.1%) | 0 |
| TOPCon | 9 (16.4%) | 8 (9.0%) |
| PERC | 8 (14.5%) | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |


## Top panels, Isola New Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [YH720W-33MHD/MH](https://comparepv.com/panel/isola-new-energy-yh720w-33mhd-mh) | 720 | 23.2 | -0.350 | Monocrystalline |
| 2 | [YH715W-33MHD/MH](https://comparepv.com/panel/isola-new-energy-yh715w-33mhd-mh) | 715 | 23.0 | -0.350 | Monocrystalline |
| 3 | [YH710W-33MHD/MH](https://comparepv.com/panel/isola-new-energy-yh710w-33mhd-mh) | 710 | 22.9 | -0.350 | Monocrystalline |
| 4 | [YH590W-36MHD/MH](https://comparepv.com/panel/isola-new-energy-yh590w-36mhd-mh) | 590 | 22.8 | -0.300 | Monocrystalline |
| 5 | [YH585W-36MHD/MH](https://comparepv.com/panel/isola-new-energy-yh585w-36mhd-mh) | 585 | 22.6 | -0.300 | Monocrystalline |
| 6 | [YH550W-36MH](https://comparepv.com/panel/isola-new-energy-yh550w-36mh) | 550 | 21.3 | -0.350 | Monocrystalline |
| 7 | [YH545W-36MH](https://comparepv.com/panel/isola-new-energy-yh545w-36mh) | 545 | 21.1 | -0.350 | Monocrystalline |
| 8 | [YH540W-36MH](https://comparepv.com/panel/isola-new-energy-yh540w-36mh) | 540 | 20.9 | -0.350 | Monocrystalline |
| 9 | [YH465W-27MHD](https://comparepv.com/panel/isola-new-energy-yh465w-27mhd) | 465 | 23.3 | -0.240 | Monocrystalline |
| 10 | [YH460W-36MH](https://comparepv.com/panel/isola-new-energy-yh460w-36mh) | 460 | 21.2 | -0.350 | Monocrystalline |


## Top panels, Q-Cells


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [Q.PEAK DUO ML-G12S.3 / BFG 675](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-675) | 675 | 21.7 | -0.340 | Monocrystalline |
| 2 | [Q.PEAK DUO ML-G12S.3 / BFG 670](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 3 | [Q.PEAK DUO ML-G12S.3 / BFG 665](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 4 | [Q.PEAK DUO ML-G12S.3 / BFG 660](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 5 | [Q.PEAK DUO ML-G12S.3 / BFG 655](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 6 | [Q.PEAK DUO ML-G12S.3 / BFG 650](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 7 | [Q.TRON XL-G2.3 / BFG 645](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-645) | 645 | 23.1 | -0.290 | Monocrystalline |
| 8 | [Q.TRON XL-G2.3 / BFG 640](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-640) | 640 | 22.9 | -0.290 | Monocrystalline |
| 9 | [Q.TRON XL-G2.3 / BFG 635](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-635) | 635 | 22.7 | -0.300 | Monocrystalline |
| 10 | [Q.TRON XL-G2.3 / BFG 630](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-630) | 630 | 22.6 | -0.300 | Monocrystalline |


## Summary

Isola New Energy is a Chinese solar manufacturer headquartered in Zhejiang province, with production bases in Ningbo and Shandong. Founded as a technology-oriented enterprise, it produces solar cells, modules, and off-grid systems, with reported module capacity across its automatic and semi-automatic lines reaching several gigawatts per year. No credible source places Isola New Energy on the BloombergNEF Tier 1 bankability list, and its institutional footprint is primarily limited to export-focused trade channels. Q-Cells - now formally branded as Hanwha Q CELLS - traces its roots to Germany before being acquired by South Korea's Hanwha Group, a Fortune Global 500 conglomerate. The combined Hanwha Q CELLS manufacturing network operates at roughly 11 to 12 GW of annual module capacity globally, including a US plant in Georgia. Q CELLS holds a confirmed BloombergNEF Top Tier Class bankability score and was named an S&P Global 2025 Tier 1 Cleantech company, giving it a substantially stronger institutional footprint than Isola.

On the product side, Isola New Energy covers a broad wattage range from small off-grid modules to larger residential and commercial panels in the 550 to 590 W class, targeting installers and procurement teams who prioritize cost over brand recognition. Q CELLS targets residential and light commercial markets through its Q.TRON series - its flagship line built on proprietary Q.ANTUM NEO cell technology that enhances light capture and low-light performance - alongside the more accessible Q.PEAK DUO ML and Q.PEAK DUO families. Q CELLS panels carry a 25-year product warranty with strong performance retention guarantees and an above-average customer service record, a level of after-sales support that Isola does not publicly match.

For most buyers in 2025, Q CELLS is the clearer default choice. Its bankable status, established warranty infrastructure, and proven institutional track record reduce project financing risk considerably. Isola New Energy may appeal for cost-sensitive or off-grid applications where bankability matters less, but for grid-tied residential or commercial installations, the gap in brand credibility and buyer protection is meaningful.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Hanwha Q CELLS solar panels complete expert review - SolarReviews \| review

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/ \| Q CELLS solar panels complete review - EnergySage \| review

\- https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/ \| Q Cells achieves top tier class bankability score in BloombergNEF \| article

\- https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do \| Hanwha Qcells named S&P Global 2025 Tier 1 Cleantech company \| article

\- https://www.enfsolar.com/isola-new-energy \| Isola New Energy company profile - ENF Solar directory \| article

Sources:

\- \[Hanwha Q CELLS Solar Panels Review 2025 - SolarReviews\](https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review)

\- \[Q CELLS Solar Panels Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/)

\- \[Q Cells achieves top tier bankability score in BloombergNEF - PV Magazine\](https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/)

\- \[Hanwha Qcells named S&P Global 2025 Tier 1 Cleantech company - Hanwha\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do)

\- \[Isola New Energy company profile - ENF Solar\](https://www.enfsolar.com/isola-new-energy)

Written by claude-sonnet from the figures above.


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- [Isola New Energy vs A.B. Energy](https://comparepv.com/isola-new-energy-vs-a-b-energy)
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- [Isola New Energy vs AEET](https://comparepv.com/isola-new-energy-vs-aeet)
- [AIKO vs Q-Cells](https://comparepv.com/aiko-vs-q-cells)
- [Isola New Energy vs AKCOME](https://comparepv.com/isola-new-energy-vs-akcome)
- [ARTsolar vs Q-Cells](https://comparepv.com/artsolar-vs-q-cells)


---

Source: https://comparepv.com/isola-new-energy-vs-q-cells

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