Grid-Tied? What’s That?

May 9, 2013 by Max

Grid-tied: A “grid-tied” solar array is one that is connected to the power grid. It is actually connected to your home’s circuit breaker panel the same way all of the other circuits are connected. The power from the solar array gets used “first” and is “added” to the power already coming in. This is an over simplification but is a good way to picture what is going on. If the array produces more than the house is using, the excess passes through the electric meter in reverse and is recorded by the power company (hopefully) as a credit to your account. You can find more about net metering and grid-tied solar at this link: https://www.comed.com/customer-service/rates-pricing/interconnection/Pages/net-metering.aspx


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