Bad idea. There is absolutely no financial advantage to going off-grid, at
least if the grid is already installed. Batteries are a lot more expensive
per kWh than grid power.
And pretty soon they will be at war with each other over "who left the
d**n loads on and drained the battery".
They should just do a straight grid-tie system, or separate systems for
each business, to offset the utility power usage. Of course, grid-tie with
battery back- up of critical loads might be a good idea, if they truly
have critical loads.
That said, I hear that the reanimated Satcon is developing large
battery-based inverters. I haven't checked on their progress lately
From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
Behalf Of Phil Theis
Sent: Thursday, October 02, 2014 11:52 AM
To: RE-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] 1.5 MW Off Grid
A PA business park is serious about taking their loads off grid.
Whose systems would you recommend for this size system?
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