Energy - we all need it. We all use it - in fact we're so used to it we're pretty much ignorant of it!

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CALCULATIONS Below you will find the ways to calculate exactly what you need. Added is a Downloadable Spreadsheet so you can save it to your computer & use is as you need it. A full functioned sheet is available on the Bonzabuy site for sale. The Basic RunDown: You need to work out the following: How much power you use at any one time How much power you use per day (average) How long you want the setup to run without sun / wind How much sun per day on average How much wind per day on average These figures will make it possible to know: What size inverter you need How many Solar Panels you need How much Wind power you need What size regulator you need What size batteries you need