Brian: The LADWP engineer (Tony Ramirez) advised the inspector (Brenden Owens) who told my customer (who, ironically, is retired from working at LADWP) that he couldn't have a straight battery-based system. And has to interface his system with a batteryless grid-tie inverter. You know any of these guys? Got any clout with them? --Chris Daum Oasis Montana Inc.
_____ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Brian Teitelbaum Sent: Tuesday, September 24, 2013 2:13 PM To: RE-wrenches Subject: Re: [RE-wrenches] Utilities see battery bank as parasitic load? Chris, Is that the "inspector" saying that, or the LADWP rep? Brian Teitelbaum AEE Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Chris Daum Sent: Tuesday, September 24, 2013 12:41 PM To: 'RE-wrenches' Subject: [RE-wrenches] Utilities see battery bank as parasitic load? Hello Wrenches: Ok, here's one for you. We have a customer whose utility provider is L.A. Dept. of Water & Power; he's getting ready to install his battery-based grid-tie system with a Radian inverter, load center, HUB4, eight - 250W modules....etc. But the inspector is calling foul, saying his 'battery bank is a parasitic load" -- the inspector also claims that the battery bank is a "generator" so he must utilize a straight grid-tie inverter (5KW Power One) and make this an AC coupled system to be legal. The question then becomes; does the PowerOne GT5kW inverter play nicely with the Outback Radian when the Radian is the BB Inverter? Maybe there is a way to save our customer the cost of the new PowerOne inverter if we configure the Radian differently? Any advice or suggestions that you can offer would be most helpful! And is anyone else running into this? It just seems crazy. Best, Chris Daum Oasis Montana Inc. 406-777-4309 406-777-0830 fax
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