30.5% of recent U.S. home systems use Qcells solar panels. 0.8% of recent U.S. home systems use Qcells inverters. Qcells has 3 certified home batteries on California's equipment list.
Qcells (Hanwha Qcells)
Status: Largest US-assembled residential brand. Cell imports from Korea detained under UFLPA mid-2025, later released; ~1,000 Georgia workers furloughed Nov 2025, then normal module production resumed.
Company
South Korea (Hanwha Solutions); US HQ Irvine, CA
U.S. manufacturing
Assembles modules in the U.S. (Dalton, GA (modules); Cartersville, GA (modules; ingot-wafer-cell under construction, ~$2.3B)). Cells: Planned: ingot/wafer/cell in Cartersville, GA targeted by end of 2026 (not confirmed running)
Q.PEAK DUO BLK ML-G10+ (legacy): 385-410 W, 19.6-20.9%, P-type PERC half-cut
Warranty
product years: 25; performance years: 25; end of warranty pct: ~90.6% at yr 25 (Q.TRON); annual degradation pct: ~0.33%/yr after year 1 (1% yr1); labor coverage: Yes, reasonable removal/reinstall cost coverage when installed by a Qcells partner (check regional terms)
PVEL scorecard
2026 Top Performer; 2025 Top Performer. Top Performer in 6 tests in 2026; 11 editions total
Price tier
mid
Risks to weigh
Supply-chain detention risk (UFLPA) demonstrated in 2025
Georgia vertical integration not yet proven at scale
Good default mid-tier choice. Domestic-content (US-assembled) SKUs available; ask for the exact SKU if domestic content matters for a lease/PPA price.
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document.
Qcells solar panels on the CEC certified list
369 certified models, 330–675 W, up to 23.8% efficient. Highest-efficiency models shown. See all models.
Model
Watts
Efficiency
Technology
Temp. coefficient
Q.TRON XL-G2.3/BFG 645
645
23.8%
Mono-c-Si
-0.288%/°C
Q.TRON XL-G2.3/BFG 640
640
23.6%
Mono-c-Si
-0.288%/°C
Q.TRON BLK M-G2.C+ 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2.D+ 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2.D1+/AC 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2.F+ 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2.H+ 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2.H1+/AC 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2+ 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON BLK M-G2+/AC 445
445
23.5%
Mono-c-Si
-0.276%/°C
Q.TRON XL-G2.3/BFG 635
635
23.4%
Mono-c-Si
-0.288%/°C
Q.PEAK DUO XL-G11.3 590
590
23.4%
Mono-c-Si
-0.3604%/°C
Qcells inverters on the CEC certified list
68 certified models, 0.29–8.604 kW. Smallest to largest. See all models.
Model
Output
CEC efficiency
Type
Q.PEAK DUO BLK-G10+/AC 360
0.29 kW
97%
Micro
Q.PEAK DUO BLK-G10+/AC 365
0.29 kW
97%
Micro
Q.PEAK DUO BLK-G10+/AC 370
0.29 kW
97%
Micro
Q.PEAK DUO BLK-G6+/AC 340
0.29 kW
97%
Micro
Q.PEAK DUO BLK-G6+/AC 345
0.29 kW
97%
Micro
Q.MI.380C-G2
0.33 kW
97%
Micro
Q.MICRO.380C-G2
0.33 kW
97%
Micro
Q.MI.349B-G1
0.349 kW
97%
Micro
Q.PEAK DUO BLK ML-G10.C1+/AC 395
0.349 kW
97%
Micro
Q.PEAK DUO BLK ML-G10.C1+/AC 400
0.349 kW
97%
Micro
Q.PEAK DUO BLK ML-G10.C1+/AC 405
0.349 kW
97%
Micro
Q.PEAK DUO BLK ML-G10.C1+/AC 410
0.349 kW
97%
Micro
Qcells home batteries on the CEC certified list
3 certified models, 10–20 kWh. Smallest to largest. See all models.
Model
Capacity
Power
Chemistry
Round-trip
Q.SAVE D10.0SX
10 kWh
5.5 kW
Lithium Iron
—
Q.SAVE D15.0SX
15 kWh
8.3 kW
Lithium Iron
—
Q.SAVE D20.0SX
20 kWh
11.1 kW
Lithium Iron
—
Choosing equipmentA well-installed mid-tier system beats a premium brand installed badly. Ask quotes to name exact models, compare warranties in writing, and check that the company backing a 25-year warranty is financially healthy. Compare your quotes.