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REALITY CHECK: WHEN THE POWER GRID GOES DOWN, ALL GRID-TIE SOLAR SYSTEMS GO DOWN

Residents Association of Greater Lake Mathews


RAGLM Board > General Discussion > Reality check: When the power grid goes down, all grid-tie solar systems Go Down
6/27/2012 11:21:03 PM
Gridtie answerReply: Roy
My understanding is that safety is the main reason that gridtie solar systems follow the grid down when when there is a power outage.  There are ways to use your solar panels during a blackout, but the system would have to be an offgrid system with batteries, probably, or something that requires extra engineering and special approvals.  All the alternatives other than simple gridtie would add significantly to expenses.  Myself, I am considering gridtie plus a backup generator on propane.  During an outage I only care to insure that the refrigerator is powered and a couple lamps and a TV.  Extension cords should do, to power those items directly off of the generator panel, which avoids costly wiring of the generator into the home system.
6/17/2012 7:04:24 AM
Reality check: When the power grid goes down, all grid-tie solar systems Go DownPost: Cindy Ferry
I thought we had a solar system guy on one of our community lists. I'm looking for more input on this subject. Does anyone know if this in fact true or it is code here as well that the power company has all solar systems tied into their system go down and you can't switch it over to still give you power via the system on your property to you alone? It does seem odd to me that if you invest is this system, which most do not get due to the price, that if the power company has a problem and has to shut down their system it automatically shuts down your solar system from being able to still generate power for your own home.


Cindy Ferry
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