We replace about 1,000 times as many micro inverters and optimizers for that matter vs. string (properly installed) string inverters. The warranty typically does NOT cover replaceemnt labour also.
Clean Energy Council suspends several big-brand inverters from its list of approved products, rendering them ineligible for use in federal and state rebate schemes.
Rapid growth of the renewable energy sector, easy installation in case of string inverters, and R&D towards production of highly efficient solar inverters are drives solar (PV) inverter market.” - ...