[RE-wrenches] Metering

Christopher Warfel cwarfel at entech-engineering.com
Mon Sep 29 07:12:19 PDT 2014


Bill, The refurbished utility meter is the lowest cost option that meets 
the requirements of accuracy for RECs that I am aware of. Chris
On 9/28/2014 5:25 PM, frenergy wrote:
> CA wrenches,
>         I'm trying to (for the sake of my monetarily impaired 
> customers) figure out a less expensive way to meter/monitor small 
> enphase systems.  One of my local utilities will allow me to just use 
> a remanufactured utility-grade meter (ala AEE) These meters are 
> inexpensive, robust and accurate but only display total production.
>         The Envoy retails for over $5 bills.  Most of my customers are 
> not interested in checking their PV system on the internet, well not 
> after a couple weeks.  I can't seem to find any requirement from 
> PG&E other than in Section 5.1 of the guidebook: " All systems 
> receiving an EPBB incentive must install a production meter accurate 
> to +- 5% of actual system output...."       which is pretty vague.  
> plus the is no CSI incentive  anymore.
>         Anybody have a suggestion that is different from the remanu 
> utility meter?....and possibly gives current wattage output, and is 
> "approved" by PG&E interconnection?
> TIA
> Bill
>
>
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-- 
Christopher Warfel, President
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978

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