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tacman7

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Posts: 39
Reply with quote  #1 
I have multiple families living on my property.

I put in meters that I bought off ebay several years ago and that works well for figuring out how to share the electric bill.

But now I'm on TOU billing.

That's ok for my relatives but I'm going to be renting out one of the houses and so I need accurate electric billing for the new tenants.

Anybody familiar with the process or how to do it?

I'm not having my utility company do it, something I need to do.

I'm a retired contractor and I built and wired some of the buildings.

Any help appreciated!

Thanks

stmbtwle

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Posts: 2,800
Reply with quote  #2 
I found instructions on how to read them here: https://www.srpnet.com/electric/home/readmeter.aspx

I suspect you'll have to buy all new meters (might be expensive) and keep records for each level of billing. A spreadsheet should work. If you keep it on a tablet you could enter the info directly and skip the notepad step.

How to program them I don't know.

It appears to be similar to my grid-tied solar meter. I read my inverter, and then power in, power out, and net power at the meter. The spreadsheet calculates my output and usage. It goes back 9 years now.

__________________
Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
tacman7

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Posts: 39
Reply with quote  #3 
Looks complex just trying to read that meter!

I found kits that have a meter and a couple of coils that go around the two hot wires.
I guess these meters send signals and are tracked at the central location.


It might be more than I want to get into.


I'll keep searching.

I have a meter on the house so I would know how much they use overall.

I could put a camera in there and record 24hours with a clock next to the meter, fast forward through the film later and read the meter at different times. I could do that once in a while to get the general usage then just charge a flat rate that covers it.

TOU right now is $.12 super off peak, $.28 off peak, and $.48 peak.

I'm charging my relatives $.25.



stmbtwle

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Reply with quote  #4 
Can't speak for the TOU meters but reading my solar meter is simple.  It scrolls through all the fields stopping at each one for a few seconds.  Just write down the relevant ones on a scratch pad.  If you miss one or aren't sure just wait and it will scroll through again.  It's awkward at first but it gets easier.  

Billing would be a matter of comparing each set of numbers with last month and adding them up.  You don't NEED a spreadsheet.  You could use a column notebook.

A simpler method would be to work out what the average rate is and charge them that, flat rate. You pocket or pay the difference.

__________________
Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
tacman7

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Posts: 39
Reply with quote  #5 
I found this:

https://www.omega.com/googlebase/product.html?pn=OM-CP-PULSE101A&gclid=CjwKCAjwwo7cBRBwEiwAMEoXPDnD2dMMiBXKxZTEoKOeAk80axKyv2cxclgxWo_FyHhdpJccOK9kPxoC9OAQAvD_BwE

I've found metering units, pulse generators but need to collect the data.

Found a meter on ebay for $29

https://www.ebay.com/itm/Electric-Electricity-Smart-Meter-Submeter-Kilowatt-Hour-Milur-107-Single-Phase/263862578128?epid=7019485703&hash=item3d6f6f6bd0:g:WhsAAOSwEwZbRSUI

You can transfer the data from this unit to the computer.



tacman7

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Posts: 39
Reply with quote  #6 
Just bought the EKM II v3 smart meter.

About $300 altogether.

It can keep track of 4 TOU zones and does holidays and weekends.

I have to plug my laptop into the meter each month to download the data.

Let you know when I get it and how it works.

I was looking at another product for about the same price.

Doesn't do what I want, it's more designed to analyze one residence and it can pick out what's running without separate transformers.

So good to tell you what's using too much!

https://sense.com/


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