Folks, I have a residential grid-tied customer in a net metered utility with a favorable TOU rate.
They could use about 10 kW of PV to offset 100% of their usage. But, they also complain about regular power outages in their neigborhood. They don't want a generator. With reliable AC coupling now available, do we yet know which is the more advantagous architecture; grid-tied, battery-based inverter w/ PV on the DC side via charge controllers, or grid-tied, battery-based inverter w/ PV AC coupled via grid-tied, utility-based inverter? Your thoughts? Mark Frye Berkeley Solar Electric Systems 303 Redbud Way Nevada City, CA 95959 (530) 401-8024 www.berkeleysolar.com
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