The big argument with roof top versus utility solar usually comes back to the utilities hate it because their customers are not consuming as much as they used to. Our net-metering arrangement changed because of this. Our electric utility saw a large number of users going solar, so they changed the net-metering as a way to dissuade possible customers. Frankly, if you are generating all your power needs, and have storage so you aren't reliant on the grid except for a heartbeat, you are the utilities' biggest enemy. Why would they support distributed power instead of a centralized utility? Hurts their bottom line and ability to control their customer.
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