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Photo voltaics modeling

I have my entire building modeled in the proposed model. The last thing I need to do is model the solar PV array. I believe I have entered the array correctly and set up the generator. However, when I run the simulation it doesn't change my EUI (kbtu/sq.ft/yr). Shouldn't my EUI change (reduce) if I have a PV array? What am I missing? Any help/assistance is greatly appreciated!

Photo voltaics modeling

I have my entire building modeled in the proposed model. The last thing I need to do is model the solar PV array. I believe I have entered the array correctly and set up the generator. However, when I run the simulation it doesn't change my EUI (kbtu/sq.ft/yr). Shouldn't my EUI change (reduce) if I have a PV array? What am I missing? Any help/assistance is greatly appreciated!