Solar Inverter Replacement Cost in 2026 (String vs Microinverter vs Optimizer)
Replacing a solar inverter in 2026 costs $1,050-$3,400 for a like-for-like string swap, $2,100-$5,800 to add optimizers, or $2,800-$8,200 to upgrade to microinverters. Repair vs replace rules, warranty labor gaps, and 2026 brand reliability data inside.