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Authors User:Mkhultin
Published 2009
License CC-BY-SA-4.0
Impact Number of views to this page. Views by admins and bots are not counted. Multiple views during the same session are counted as one. 126

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


  • $15,000


  • 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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