0.4% of recent U.S. home systems use Solaria solar panels.
Solaria
Status: Merged with Complete Solar in 2022 to form Complete Solaria. Solaria panel technology was sold to Maxeon in 2023. No independent panel production now.
product years: 25; performance years: 25; end of warranty pct: ~86-90% at yr 25; annual degradation pct: ~0.4%/yr; labor coverage: Varies
PVEL scorecard
Not a 2026 Top Performer. N/A
Price tier
mid
Risks to weigh
Legacy product; warranty responsibility is unclear after the asset sales
Legacy brand; mostly relevant to existing owners.
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document.
Solaria solar panels on the CEC certified list
13 certified models, 380–430 W, up to 20.8% efficient. Highest-efficiency models shown. See all models.
Model
Watts
Efficiency
Technology
Temp. coefficient
PowerX-405R
405
20.8%
Mono-c-Si
-0.3617%/°C
PowerXT-430R-PL
430
20.5%
Mono-c-Si
-0.3874%/°C
PowerX-400R
400
20.5%
Mono-c-Si
-0.3617%/°C
PowerX-395R
395
20.3%
Mono-c-Si
-0.3617%/°C
PowerXT-425R-PL
425
20.2%
Mono-c-Si
-0.3874%/°C
PowerXT-420R-PL
420
20%
Mono-c-Si
-0.3874%/°C
PowerX-390R
390
20%
Mono-c-Si
-0.3617%/°C
PowerX-380R-2B
380
20%
Mono-c-Si
-0.3342%/°C
PowerXT-415R-PL
415
19.8%
Mono-c-Si
-0.3874%/°C
PowerX-405R-4T
405
19.3%
Mono-c-Si
-0.3579%/°C
PowerX-400R-4T
400
19%
Mono-c-Si
-0.3579%/°C
PowerX-395R-4T
395
18.8%
Mono-c-Si
-0.3579%/°C
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.