Franklin Whole Home Energy Storage System FranklinWH Franklin Whole Home Energy Storage System Store, and use solar energy with Franklin Home Power The Franklin Home Power (FHP) system provides whole home backup by integrating multiple sources of power generation. It provides real time monitoring and control for a home’s day-to-day energy usage. It stores solar or grid energy and uses it for time-of-use load shifting and as a backup for outages. The three primary FHP components are: aGate, aPower and the FranklinWH App.