overages for power usage

Kenny Taylor kenny.taylor at kccd.edu
Fri Sep 21 13:56:27 UTC 2018

We would typically order a 20 or 30-amp 208v circuit per rack for a flat fee then install a metered PDU to make sure we didn’t overload it.  The flat fee per-circuit seems pretty standard in the US.  Using your own metered PDU would help predict the usage if you’re being billed by kWH.


From: NANOG <nanog-bounces at nanog.org> On Behalf Of Baldur Norddahl
Sent: Thursday, September 20, 2018 11:34 PM
To: nanog at nanog.org
Subject: Re: overages for power usage

The fuses might match what you ordered. If you go over you might lose power due to a blown fuse.

When there is A and B power for redundancy, you need to make sure that one side can take the whole load without blowing any fuses. Otherwise you have no redundancy.



fre. 21. sep. 2018 04.12 skrev Alan Hannan <alan at routingloop.com<mailto:alan at routingloop.com>>:
What kind of typical overage costs have you seen when a customer/you use more than you've committed to?

I'm especially interested in datacenter power situations, where maybe you sign up for 5kw or 500kw and use more than that in a given month.  Is it billed at the same rate?  Is it billed at a higher rate?  What's the % increase of the higher rate versus the regular rate?

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