Delta

1.5% of recent U.S. home systems use Delta inverters.

Delta inverters on the CEC certified list

20 certified models, 3.32–10.057 kW. Smallest to largest. See all models.

ModelOutputCEC efficiencyType
SOLIVIA 3.8 NA G4 TL3.32 kW97.5%String
M4-TL-US3.33 kW97%String
E4_BDI3.341 kW97%Hybrid
E4-TL-US3.36 kW97.5%Hybrid
M5-TL-US4.16 kW97.5%String
M6-TL-US4.99 kW97%String
E6-TL-US4.992 kW97%Hybrid
E6_BDI5.025 kW97%Hybrid
SOLIVIA 5.2 NA G4 TL5.2 kW97.5%String
SOLIVIA 6.6 NA G4 TL6.6 kW97.5%String
SOLIVIA 7.6 NA G4 TL6.6 kW97.5%String
E8-TL-US6.656 kW97.5%Hybrid
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.