[RE-wrenches] "Keep that there PV off my grid!"

Karl Jaeger kjaeger at lightwavesolar.com
Wed Feb 16 06:18:58 PST 2011


Thanks guys,
I had little doubt that the best source of industry knowledge would fail me.
Keep on keepin' on,

Karl Jaeger
Operations Manager
LightWave Solar Electric
www.lightwavesolar.com<http://www.lightwavesolar.com>




From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jeff Clearwater
Sent: Wednesday, February 16, 2011 2:00 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] "Keep that there PV off my grid!"

Hi Karl,

Whether it's worth pursuing or not, I believe their stance is in violation of PURPA.  I'm not an expert but I know others have won court cases over it.  It is left up to the State to administer however I do believe.   DSire.org shows no net metering support in Alabama.  I imagine someone else on the List knows more than I.

But it sounds in this case like the technical fix is more prudent - Everything has it's season.

Best of Luck,

Jeff C.
Village Power Design




Greetings Esteemed Wrenches,

My company was recently tasked to engineer a PV project in Alabama. We sat down for a meeting with all of the local big-shots. They proceeded to let us know that we are not allowed to feed any excess PV power onto their grid, production cannot exceed demand. I am hoping that y'all might be able to steer me towards a contactor assembly or device that would detect reverse current flow, trigger the contactor, then open up the inverter AC output circuit. The service is 3-phase, 208 volt. The maximum current we intend to introduce is 70 amps, continuous.

Appreciate your advice,

Karl Jaeger
Operations Manager
LightWave Solar Electric
www.lightwavesolar.com<http://www.lightwavesolar.com>


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