When a PV system is coupled with battery storage system, the compliance software allows a portion of the PV/flexibility TDV to be traded against the efficiency TDV. This modest credit can be used for tradeoffs against building envelope and efficiencies of the equipment installed in the building. More detail is provided in Chapter 6.4.1 Photovoltaics Requirements Three Habitable Stories or Less.
        Title 24, Part 6 Energy Code Compliance Forms
                    
                    
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                    Title 24, Part 6 Energy Code
                    
                    
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                    Title 20 Appliance Efficiency Regulations
                    
                    
                