0.6% of recent U.S. home systems use SMA inverters.
SMA Solar Technology
Status: Operating; restructuring and cost cuts in 2025 from weak residential demand.
Company
Germany
U.S. manufacturing
Main products
Sunny Boy 3.0-7.7-US / Sunny Boy Smart Energy
Warranty
years: 10 standard (extendable to 20)
Price tier
mid
Risks to weigh
Restructuring
Long reliability track record.
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document.
SMA inverters on the CEC certified list
35 certified models, 3–20 kW. Smallest to largest. See all models.
Model
Output
CEC efficiency
Type
SB3.0-1SP-US-40
3 kW
96%
String
SB3.0-1SP-US-41
3 kW
96%
String
SB3.0-1TP-US-40
3 kW
96%
String
SB3.0-1TP-US-41
3 kW
96%
String
SBSE3.8-US-50
3.332 kW
97%
Hybrid
SB3.8-1SP-US-40
3.6 kW
96.5%
String
SB3.8-1TP-US-40
3.6 kW
96.5%
String
SB3.8-1SP-US-41
3.604 kW
96.5%
String
SB3.8-1TP-US-41
3.604 kW
96.5%
String
SBSE4.8-US-50
4.166 kW
97%
Hybrid
SBSE5.8-US-50
5 kW
97%
Hybrid
SB5.0-1SP-US-40
5 kW
96.5%
String
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.