Bottom line, most homeowners drop between $1,500 and $4,500 total for an inverter installed. The size of your system, the type of inverter, and the efficiency rating affect your final cost. You may save $1,000 to $2,500 up-front by. . With increasing production, the global solar inverter prices are expected to be more competitive. However, supply chain disruptions and material costs may impact affordability. While prices have become more competitive thanks to improved manufacturing and wider adoption, the inverter still represents about 10%–15% of a complete solar. . String inverters are cheap and convenient, but tend to be the least efficient. String inverter + power optimizer: Power optimizers are attached to each individual panel.
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