Starting with the 2019 code, Title 24 assigns full credit for PV systems in lowrise residential new construction projects. In no case does the credit get recognized in additions and alterations.
Prior to 2019, Tite 24 only assigns partial credit for PV in lowrise residential new construction applications in climate zone 1-5 and 8-16, otherwise you will not get credit for photovoltaic towards compliance. You must input a minimum system size of 2 kWdc for single family and town house projects and 1 kWdc per dwelling unit in a multi-family building. Note that larger homes may require a larger system. If the PV system does not meet the minimum threshold for larger homes, you will receive a message on the CF1R alerting you to this minimum, but this cannot be reported until after the calculation is complete so be sure to check the CF1R after the calculation. If you are calculating an EDR rating, you will get full credit for the PV.
In Nonresidential occupancies, Title 24 does not allow credit towards compliance. In the remaining performance calculations, EnergyPro will assign full benefit for the PV production.
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