Utility Grid

Connecting to the Grid

Some homes that have on-site renewable energy systems are not connected to the commercial electrical grid. In some cases, this is because they are in a remote location that is not serviced by the grid.

An on-site energy system connected to the grid presents some advantages. It provides a back-up source of reliable electricity that can be used during times when the sun isn't shining, the wind isn't blowing, or the stream isn't flowing. A connection to the grid also eliminates the need for battery systems. Conversely, when the home is generating more electricity than it needs, this excess energy can be fed back into the utility grid. Many utilities now have "net metering" arrangements that allow homeowners to be credited for the unused electricity they produce and send into the grid. This net metering arrangement can lower or eliminate electric utility bills for the homeowner.


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