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

# Fellow Energy vs Q-Cells

Q-Cells has the broader catalog (89 vs 13 models). Q-Cells leads on peak efficiency at 23.20%. Fellow Energy leans bifacial (54% of lineup).


## The two companies


| Attribute | Fellow Energy | Q-Cells |
| --- | --- | --- |
| Country | Türkiye | South Korea |
| Headquarters | Gaziantep | Seoul |
| Founded | 2020 | 1999 |
| Employees | 350+ | 2000+ |
| Annual capacity |  | 11.2 GW/year |
| Tier 1 | yes | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.fellowsolarenergy.com](https://www.fellowsolarenergy.com) | [https://www.qcells.com](https://www.qcells.com) |

Fellow Energy is a solar energy technology manufacturer founded in 2020 in Gaziantep, Türkiye. The company specializes in the research, development, manufacturing, and sales of photovoltaic modules and solar cells, all of which are fully designed and produced domestically. Fellow Energy is recognized as a Tier 1 solar...

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 | Fellow Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 13 | 89 | +76 |
| Max Power | 590 W | 675 W | +85 W |
| Avg Power | 491 W | 468 W | +23 W |


## Efficiency


| Measure | Fellow Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.90% | 23.20% | +0.30 pp |
| Avg Efficiency | 21.60% | 21.21% | +0.38 pp |


## Reliability & Warranty


| Measure | Fellow Energy | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.320%/°C | -0.325%/°C | +0.004 |
| Bifacial Share | 7 (54%) | 35 (39%) | +15 pp |
| Avg Warranty | 27.3 yrs | 27.0 yrs | +0.3 yr |


## Efficiency distribution

Q-Cells skews to higher efficiency: 2% of lineup is 23%+


| Efficiency band | Fellow Energy | Q-Cells |
| --- | --- | --- |
| 20-21% | 1 (7.7%) | 29 (32.6%) |
| 21-22% | 10 (76.9%) | 30 (33.7%) |
| 22-23% | 2 (15.4%) | 21 (23.6%) |
| \<20% | 0 | 7 (7.9%) |
| 23%+ | 0 | 2 (2.2%) |


## Power distribution

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


| Power band | Fellow Energy | Q-Cells |
| --- | --- | --- |
| 400-499W | 6 (46.2%) | 41 (46.1%) |
| 500-599W | 7 (53.8%) | 11 (12.4%) |
| \<400W | 0 | 20 (22.5%) |
| 600-699W | 0 | 17 (19.1%) |


## Cell technology

Dominant cell tech: **TOPCon** (54%)

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


| Technology | Fellow Energy | Q-Cells |
| --- | --- | --- |
| TOPCon | 7 (53.8%) | 8 (9.0%) |
| PERC | 6 (46.2%) | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |


## Top panels, Fellow Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [FE72-18X(ND)](https://comparepv.com/panel/fellow-energy-fe72-18x-nd) | 590 | 22.9 | -0.310 | Monocrystalline |
| 2 | [FE72-18X 560W](https://comparepv.com/panel/fellow-energy-fe72-18x-560w) | 560 | 21.7 | -0.326 | Monocrystalline |
| 3 | [FE72-18X 555W](https://comparepv.com/panel/fellow-energy-fe72-18x-555w) | 555 | 21.5 | -0.326 | Monocrystalline |
| 4 | [FE72-18X 550W](https://comparepv.com/panel/fellow-energy-fe72-18x-550w) | 550 | 21.3 | -0.326 | Monocrystalline |
| 5 | [FE72-18X 545W](https://comparepv.com/panel/fellow-energy-fe72-18x-545w) | 545 | 21.1 | -0.326 | Monocrystalline |
| 6 | [FE72-18X 540W](https://comparepv.com/panel/fellow-energy-fe72-18x-540w) | 540 | 20.9 | -0.326 | Monocrystalline |
| 7 | [FE66-18X](https://comparepv.com/panel/fellow-energy-fe66-18x) | 500 | 21.1 | -0.350 | Monocrystalline |
| 8 | [FE54-18X(N)-435W](https://comparepv.com/panel/fellow-energy-fe54-18x-n-435w) | 435 | 22.3 | -0.310 | Monocrystalline |
| 9 | [FE54-18X(N)-430W](https://comparepv.com/panel/fellow-energy-fe54-18x-n-430w) | 430 | 22.0 | -0.310 | Monocrystalline |
| 10 | [FE54-18X(N)-425W](https://comparepv.com/panel/fellow-energy-fe54-18x-n-425w) | 425 | 21.7 | -0.310 | 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

Fellow Energy is a Turkish solar module manufacturer founded in 2020 and headquartered in Gaziantep, Türkiye. The company operates multiple production facilities and claims a nameplate capacity in the range of 2-3 GW, with a notable distinction as one of the first Turkish firms to build a fully integrated domestic cell production line covering wafer slicing through cell processing. Fellow Energy markets itself as a Tier 1 producer, though this claim is sourced primarily from the company's own communications rather than independently confirmed BloombergNEF listings. Hanwha Q CELLS, by contrast, is a South Korean-headquartered manufacturer operating under the Hanwha conglomerate, with decades of combined heritage from the original Q.CELLS GmbH founded in Germany in 1999. Q CELLS holds confirmed BloombergNEF Tier 1 status, was named an S&P Global Tier 1 Cleantech company in 2025, and ships approximately 8-9 GW of modules globally per year, with a major U.S. manufacturing campus in Cartersville, Georgia targeting 3.3 GW of annual module output. On institutional footprint, bankability, and independently verified scale, Q CELLS holds a substantially stronger position.

Fellow Energy's catalog centers on monocrystalline bifacial modules aimed at off-grid, agricultural, and emerging-market commercial segments. Given the company's founding date and regional focus, it is typically positioned as a cost-competitive option for buyers in Europe's southern and eastern markets where domestic-content preferences or import-tariff considerations are relevant. Q CELLS offers two well-documented product families - Q.TRON and Q.PEAK - spanning residential rooftops, commercial C&I installations, and utility-scale ground mounts. The Q.TRON series uses N-type TOPCon cell technology and achieves efficiency ratings in the 21.8-22.5% range with low annual degradation, while Q.PEAK covers the more budget-oriented end of the residential market using older PERC architecture at 20-21% efficiency.

For most buyers in 2025, Q CELLS is the more defensible default: its Tier 1 bankability, large certified installer network, well-documented warranty support, and transition to TOPCon across its flagship lines deliver a strong risk-adjusted value proposition. Fellow Energy may appeal to buyers for whom Turkish origin, regional supply-chain proximity, or lower upfront pricing are primary considerations, but prospective purchasers should independently verify its current bankability status before committing to larger installations.

\---LINKS---

\- https://comparepv.com/reviews/fellow-energy \| Fellow Energy Solar Panels Review 2026 - ComparePV \| review

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels for 2025 - 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.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do \| Hanwha Qcells named 2025 S&P Global Tier 1 Cleantech company \| article

\- https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/ \| Hanwha Q CELLS Solar Panels Review 2025 - SolarTechOnline \| review

Sources:

\- \[Fellow Energy Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/fellow-energy)

\- \[Expert Review of Qcells Solar Panels for 2025 - SolarReviews\](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/)

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

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

Written by claude-sonnet from the figures above.


## Other comparisons

- [Fellow Energy vs A.B. Energy](https://comparepv.com/fellow-energy-vs-a-b-energy)
- [AE Solar vs Q-Cells](https://comparepv.com/ae-solar-vs-q-cells)
- [Fellow Energy vs AEET](https://comparepv.com/fellow-energy-vs-aeet)
- [AIKO vs Q-Cells](https://comparepv.com/aiko-vs-q-cells)
- [Fellow Energy vs AKCOME](https://comparepv.com/fellow-energy-vs-akcome)
- [ARTsolar vs Q-Cells](https://comparepv.com/artsolar-vs-q-cells)


---

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

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