[RE-wrenches] Metering a whole house Outback system

[Chris Mason]

An eGuage is a REALLY good way to do this so I would not dismiss it.

On Mon, Aug 20, 2012 at 12:15 PM, Hilton Dier III <hiltondier at gmail.com>wrote:

>  Hello Wrenches,
>
> Here's a metering conundrum for you.
>
> I have a client with a dual stacked Outback 3648 inverter panel and a PV
> array. He has been off-grid for years, but he is now going on-grid. He is
> getting the Outbacks rebuilt at the factory to be grid tie compatible.
>
> As per our local requirements, he needs a meter to read just the output of
> the inverter. The problem is that he has the whole house on the inverters,
> not just a vital loads panel. He wants to keep it that way. That gives him
> two separate outputs, "AC Out" to the main breaker panel and "AC
> In(teractive)" to the grid connection. If he just puts a meter on the AC In
> line, he will lose track of the inverter output that goes to power the
> house, and he'll get his output reduced by any grid-based charging he does.
>
> There is a "green tag" method of wiring the meter to avoid this, but it is
> designed for two single-leg 120VAC outputs and the stacked Outbacks are
> putting out 240VAC on two legs.
>
> Aside from dropping $600 on an e-Gauge, is there any way to get around
> this?
>
> Many thanks,
>
> Hilton
>
> --
> Hilton Dier III
> Renewable Energy Design
> Partner, Solar Gain LLC
> 453 East Hill Rd.
> Middlesex, VT 05602
>
>
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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