Just a clarification, you do not need batteries unless you need power during a blackout. The solar array will generally produce excess power during the day (your meter runs backwards), and you use the power from the grid at night (the meter runs forward). This is the 'net' metering that is typical in Florida. The downside of this is the price you PAY for power is higher than the money you get credited for the power you send to the grid. This is just one of the reasons solar in Florida is hard to justify.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV. 
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