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Home Forums General Discussion Europeans: wanting to go completely offgrid interested in your energy solutions Reply To: Europeans: wanting to go completely offgrid interested in your energy solutions

#68423
CadeJ
Participant

I have 1700 W of Solar, no grid connection and no other power generation. The solar controller is a FlexMax 80 by Outback and I have a 2KW true-sine-wave inverter (off brand). I have 20 6V Trojan batteries in a 24V bank. Power use is about 6kWh daily. We run a 220 Liter capacity refrigerator and a 100 L  freezer (both top-loading), 2 0.4 kW electric pumps for potable water pressure (average of 10 minutes daily) and grey-water recirculation (around one hour per day). We have a full size high efficiency front-load washing machine and tumble dryer (propane heated). But mostly we line-dry the clothes. We run two computers – laptop is pretty efficient, but tower computers are energy hogs. All lighting is LED (except for a few rarely-used CCF bulbs). If it stays cloudy for a week, we have to start watching the power use (give up computer use, mostly). But that does not happen much – once each winter?

The location is tropical (Caribbean) and the roof faces south. We are at latitude 20 North, so we have the panels tilted at a 20 degree angle from horizontal. The roof is hipped (pyramid shape, basically). The plan area is 230 sq. m, one-fourth facing each direction. No heating or cooling required (high ceilings).