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by matheusmoreira·8y ago·view on hn ↗
Do people get paid for energy injected into the grid? If one consumes X kW/month but generates 1.5X, what happens to the 0.5X difference?
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Each state has a utility commission that dictates the retail rate paid to solar customers. In California, it's cost i.e if I pay 8 cents a kilowatt-hour and I have a kilowatt hour excess, I get 8 cents. In addition to state, Tesla Powerwall confounds the equation.