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Comment That's always an expensive option (Score 1) 516

It requires a decent battery, and an inverter with the ability to run off-grid. Lead acids are cheap but short lived. Lithium phosphates are still expensive. The inverter/charger combo is much higher priced than plain grid-tying.

It only makes sense if you aren't already on the grid, since paying for a new line to the property has it's own hefty price tag.

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