At the top level of the Building Tree, in the PV+Batt tab, we offer the option to input a Battery Storage System, however there are some important restrictions on the use of this feature as follows:
- Battery storage must be fed via a PV system, so you must input an appropriately sized PV system in this same tab.
- Battery storage and PV are not recognized in the Nonresidential calculations for the purposes of Title 24 Compliance, although it is recognized for Above Code purposes.
- Battery storage and PV are only recognized for New Construction projects, not for Additions and/or Alterations.
When inputting the Battery system, you will need to indicate the size of the battery, as well as the strategy used to charge the battery. In most cases this will be the Basic charging selection. In addition, you will need to indicate the efficiency of the system used to charge the battery as well as to discharge the battery.
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