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ENCOR vs Q-Cells - solar panel manufacturer comparison

ENCOR
Poland Founded 1991
Read the ENCOR review
VS
Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
At a glance

Q-Cells has the broader catalog (89 vs 4 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% 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
4 89
Highest power
460 Wp 675 Wp
Best efficiency
21.3% 23.2%
Average efficiency
20.9% 21.2%
Bifacial share
0% 39%
Average warranty
25 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
ENCOR

ENCOR is a proprietary solar brand owned by CORAB S.A., a Polish manufacturer and distributor of photovoltaic systems founded in 1991. The brand covers an ecosystem of own-label PV modules, inverters, and energy storage units produced to CORAB's specifications. CORAB is one of the largest photovoltaic mounting...

Founded
1991
Headquarters
Olsztyn, Poland
Employees
200-500
Q-Cells

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...

Founded
1999
Headquarters
Seoul, South Korea
Annual capacity
11.2 GW/year
Employees
2000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric ENCOR Q-Cells
Catalog & Power
Panel Models 4 89+85
Max Power 460 W 675 W+215 W
Avg Power 411 W 468 W+57 W
Efficiency
Max Efficiency 21.30% 23.20%+1.90 pp
Avg Efficiency 20.88% 21.21%+0.33 pp
Reliability & Warranty
Avg Temp Coefficient -0.344%/°C -0.325%/°C+0.019
Bifacial Share 0 (0%) 35 (39%)+39 pp
Avg Warranty 25.0 yrs 27.0 yrs+2.0 yr

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

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

Power spread
Share of each catalogue in every power band

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

ENCOR cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (75%)

Q-Cells cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (43%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

ENCOR Solar was a Utah-based residential solar installation company in the United States, not a panel manufacturer. Search results consistently show it ceased operations, leaving customers without warranty support, and it never appeared on any Tier 1 or BloombergNEF bankability list because it produced no panels of its own. Q-Cells, operating under South Korea's Hanwha Group - a Fortune Global 500 conglomerate - is a vertically integrated manufacturer with origins in German cell technology, now headquartered with facilities across Asia, Europe, and notably in Dalton, Georgia, where it operates one of the largest solar manufacturing complexes in the United States. Q-Cells holds a BloombergNEF Top Tier Class bankability score and was named an S&P Global 2025 Tier 1 Cleantech company. With a reported global module production capacity in the range of 12 GW per year, Q-Cells has a vastly stronger institutional footprint than ENCOR ever had.

Because ENCOR was an installer that resold third-party equipment rather than a panel brand, there is no product family to compare directly. Q-Cells offers well-documented residential and commercial series - including the Q.TRON and Q.PEAK lines - built around its proprietary Q.ANTUM NEO cell technology, a TOPCon-based architecture that independent reviews confirm delivers panel efficiencies above 22% in current production models. These panels are aimed at premium residential rooftops, mid-size commercial installations, and increasingly at utility-scale projects through U.S.-made modules, which carry domestic content advantages under the Inflation Reduction Act.

For any buyer evaluating these two names in 2025, the comparison is effectively one-sided. ENCOR Solar no longer exists as a going concern, and it was never a panel manufacturer to begin with. Q-Cells is a bankable, globally recognized brand with active warranties, U.S. manufacturing, and a strong service track record. Any customer who was previously served by ENCOR and needs panel replacement or warranty service should contact their financing company or a licensed local installer rather than ENCOR itself.

Generated by Claude Sonnet · 2026-06-10

06

Other brand comparisons

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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 1 ENCOR offer · See 23 Q-Cells 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.