Nearly seven in 10 owners had had no problems with their solar panels in our survey of over 2,000 owners.* The most common – and most serious – problem owners face is with the inverter. In some cases ...

Inertia from rotating machines provides the residual stabilizing few seconds for grid operators to correct frequency problems ...

“The prolonged downtime for repair or replacement can be detrimental ... Globally, the penetration of string inverters into utility solar is already 50% according to some sources.