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Frequently Asked Questions - Inverters
Q. In a PV utility intertie system (no batteries) what happens
to the PV power when a load, larger than the PV system can handle, comes
on line requiring the use of utility power? Is the use of the PV power
lost?
A. In PV utility intertie systems without batteries you have two
separate electrical connections with the Utility company. One is your
standard utility feed to your loads in the house, the second is the PV
power to the utility company. The two are completely separate systems.
You never directly use PV generated electricity for your house loads.