The PWRcell system has five operational modes to manage the distribution of power — Clean Backup, Priority Backup, Self Supply, Grid Tie, and Sell. Homeowners can select the mode based on what they would like the system to do.
Self Supply Mode
In Self Supply Mode the system prioritizes powering your home using solar and/or stored power first. This is mode is optimal if your utility company imposes time-of-use rates or does not have a net metering program, making energy generated by your solar panels a cheaper option for you.
Priority Backup Mode
In Priority Backup Mode, the system prioritizes keeping the batteries charged using solar or grid power. If the battery is not fully charged, all available solar power is used to charge the battery. When the available solar power is lower than the battery input power rating, then the system uses grid power to expedite battery charging. This mode is optimal when you know a power outage is coming and you need to charge your battery as quickly as possible.
Clean Backup Mode
In Clean Backup mode, the system prioritizes keeping your solar battery charged using only energy collected from your solar panels. If the battery is not fully charged, your solar panels use all available solar power to fill the battery. Then your solar panels will power your home and send any excess energy back to the grid. Clean Backup Mode is used to make sure your battery is full, in preparation for the next grid outage.
Grid Tie Mode
In Grid Tie Mode, electricity generated by your solar panels is used by your home first, and any excess is sent back to the grid for a credit on your electric bill. Grid Tie mode is intended for use with systems that do not have a battery.
In Sell Mode, you can maximize the export of the energy generated by your solar system and sell it back to the utility company. Sell mode is used when you want to prioritize selling all your solar energy instead of using it.