[RE-wrenches] Array on different roof

SES solarenergysolutions at yahoo.com
Wed Jul 20 08:19:23 PDT 2016


In Oregon, where net metering is mandated, we have aggregate metering. This means that if you have multiple meters on the same site that belong to the same owner and address that the power produced in excess of what is consumed on 1 meter is automatically applied to the power consumed by the other meter.   This may be your solution.

> Andrew Koyaanisqatsi
> President
> Solar Energy Solutions, Inc.
> Since 1987,
> Moving Portland and Beyond 
> to an Environmentally Sustainable Future.
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> "Better one's House too little one day
> than too big all the Year after."


> On Jul 20, 2016, at 8:03 AM, Will White <will at solarenergy.org> wrote:
> 
> I don't know if there's anything in the NEC but I've had two problems with the utility in scenarios like this.  First is I've had utilities who won't let you connect two different systems to two different meters on the same property.  Second the utility wouldn't allow a system on one building with it's own meter to connect to a meter on a different building.
> 
> I'd suggest you ask the utility what their policy is.
> 
> Good Luck,
> Will White
> 
> -- 
> Will White
> Curriculum Developer
> 
> e: will at solarenergy.org 
> w: www.solarenergy.org 
> p: 802-272-309
> 
> PV Installation Professional
> # 093006-34
> 
>> On Wed, Jul 20, 2016 at 10:31 AM, Steve Romo <steve at mountainpowersolutions.com> wrote:
>> Good morning wrenches,
>> 
>> We have a customer with two separate meters on his property. One for the shop and one for the house. We would like to do a system on each meter ( the utility limits us to 10  kW on each meter)  The house roof is great for solar, the shop- not so much. So we would like to put both systems on the house roof and back feed both meters individually. Is there anything in the NEC that prohibits this? 
>> 
>> Thanks 
>> -- 
>> Steve Romo
>> NABCEP certified PV Installer #110112-124
>> Kohler Certified Generator Technician
>> Generac Certified Generator Technician
>> Mountain Power Solutions
>> 970-433-6316
>> 
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> 
> 
> -- 
> Will White
> Curriculum Developer
> 
> e: will at solarenergy.org 
> w: www.solarenergy.org 
> p: 802-272-309
> 
> PV Installation Professional
> # 093006-34
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