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Author Topic: Inverter for grid tie AND off-grid?  (Read 3322 times)
daserra
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« Reply #15 on: October 21, 2013, 11:15:06 PM »


 daserra,

Purely out of curiosity why would you want to go off grid when you are on grid as opposed to just minimising your on grid consumption to near zero ?

Ken

Partly the cost as we have large standing charges, secondly I like to provide for myself, perhaps my achilles heel but it's served me well up until now. If I can make a large investment and then not need to worry about energy expenses until my batteries need replacing I'll be happy.

We also use 27kwH/day at the moment as our hot water is electric also but this won't be for long. I have lived on 0.4kwH per day before, I just didn't like it much.
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Rammed earth/ytong PassivFrankenHaus.
In the hills in Southern Portugal.
Borehole, on-grid.
Home made pool solar.
daserra
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« Reply #16 on: October 21, 2013, 11:19:07 PM »

In the summer the pool pump runs longer and I'll be dumping excess energy to AC. Also if I angle my panels to optimise for winter (they won't be tracked) the consumption matches production quite nicely.
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Rammed earth/ytong PassivFrankenHaus.
In the hills in Southern Portugal.
Borehole, on-grid.
Home made pool solar.
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