Off grid system on fickle Hill Supervisor: Ben Scurfield
With off-grid systems a different type of inverter is required. An Outback inverter was used for this home. A charge controller is also included on the right side of the unit to ensure proper charge of the batteries. The batteries need to be charged at a certain rate and for a particular amount of time to keep the batteries from overcharging. A gas release tube is needed to prevent hydrochloric gas from entering the fuse box or room.
System overview:
- .8 kilowatt
- 4 panels
- Inverter: Outback
- Off grid system with battery back up
- 120 volts
Cost:
- $15,000
Efficiency:
- 20% efficient panels
- 91% efficient in conversion in inverter
- <1% line loss
- Additional 10% loss from chemical transition to and from batteries
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