[RE-wrenches] Grid-Tied, PV by AC or DC

[toddcory at finestplanet.com]

excellent question mark... and one which has been on my mind as well, being most of my work is bbgt.
 
todd
 
 
 
On Thursday, March 1, 2012 11:37am, "Mark Frye" <markf at berkeleysolar.com> said:



Folks,
I have a residential grid-tied customer in a net metered utility with a favorable TOU rate.
They could use about 10 kW of PV to offset 100% of their usage.
But, they also complain about regular power outages in their neigborhood. They don't want a generator.
With reliable AC coupling now available, do we yet know which is the more advantagous architecture; grid-tied, battery-based inverter w/ PV on the DC side via charge controllers, or grid-tied, battery-based inverter w/ PV AC coupled via grid-tied, utility-based inverter?
Your thoughts? 
  
Mark Frye 
Berkeley Solar Electric Systems 
303 Redbud Way 
Nevada City,  CA 95959 
(530) 401-8024 
[http://www.berkeleysolar.com] www.berkeleysolar.com 


Sent from Finest Planet WebMail.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20120301/fff7575b/attachment-0003.html>