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Open Energy Monitor

 
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Electricity, Tariffs, Monitoring, Electrics & Providers
Last Post by bontwoody 2 years ago
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4659
Topic starter 02/02/2024 10:00 pm   [#1346]

Simple question. Does anyone on the forums use Open Energy Monitor?


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 mblinko
(@mblinko)
New Member Member
Joined: 3 years ago
Posts: 5
03/02/2024 7:19 am  

Yes. I use it on multiple electric circuits as well as temps. No heat meter though. 



   
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 tomasmcguinness
(@tomasmcguinness)
Trusted Member Member
Joined: 2 years ago
Posts: 27
03/02/2024 11:21 am  

I installed mine a few months ago.

i have it monitoring the main live coming in, the hob, the oven and three ring mains. When time and money permits, I’ll expand it.

I found it tricky to understand initially, but it’s logging away happily now. I have also added some of the feeds to my Home Assistant setup.

Took a little messing to get it actually working 🤣

Is there anything in particular you’d like to know? Happy to help!


Owner of a ridiculously oversized 35kW boiler and trying to make it as efficient as possible. 4.8kW solar PV with 5.4kWh storage. EV driver.
Follow my journey at https://www.youtube.com/@tomasmcguinness
Heat pump installation has started!


   
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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 4 years ago
Posts: 1009
03/02/2024 7:15 pm  

Yes, I have it monitoring usage, production and heat pump. I will send you a review soon Mars 🙂


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4659
Topic starter 03/02/2024 10:07 pm  

@bontwoody looking forward to that.


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 iancalderbank
(@iancalderbank)
Prominent Member Contributor
Joined: 4 years ago
Posts: 643
04/02/2024 4:09 pm  

@editor sort of. a combination of a modbus+home assistant back end, into the oem web app / front end. resulting in the data linked in my sig.


My octopus signup link https://share.octopus.energy/ebony-deer-230
210m2 house, Samsung 16kw Gen6 ASHP Self installed: Single circulation loop , PWM modulating pump.
My public ASHP stats: https://heatpumpmonitor.org/system/view?id=45
11.9kWp of PV
41kWh of Battery storage (3x Powerwall 2)
2x BEVs


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4659
Topic starter 07/02/2024 5:00 pm  

@bontwoody thanks for the helpful review. Very interesting: https://renewableheatinghub.co.uk/openenergymonitor


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 mjr
(@mjr)
Reputable Member Member
Joined: 4 years ago
Posts: 303
07/02/2024 5:44 pm  

Yes. I'm running it on an old Pi I had here, not their monitoring kit (as I've sensors already). It started off monitoring my MELCloud stats and using the two heat pump apps to tune it, then I added some tasmota monitoring plugs, now it gets the daily half-hourly electricity usage reports from the Octopus API too, checking that my tariff is still better for me than the alternatives.

The review is fair enough but maybe the screenshots should be updated to use the current stable version?



   
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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 4 years ago
Posts: 1009
07/02/2024 5:45 pm  

@editor Hell I look good these days! :-}


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4659
Topic starter 16/02/2024 9:28 am  

If connecting to a heat pump, does it need to be physically wired into anything?


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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 4 years ago
Posts: 1009
17/02/2024 11:14 am  

@editor the CT clamp and voltage sensor are plugged in and if using a heat meter in your circuit, that is connected via a modbus to usb connector.


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4659
Topic starter 17/02/2024 11:24 am  

@bontwoody, for the CT clamp and voltage sensor, when you say plugged, do you mean powered?

"...heat meter in your circuit, that is connected via a modbus to usb connector." Please can you elaborate – metering is something I've not look into because we have metres that were installed (RHI requirement for bivalent set up) that monitor heat generated and electricity consumed, in addition to the "limitations" of the controller. I did recently discover a "hidden" portion in our controller user interface that allowed me to find the unit's "modbus menu" where all the usual modbus-type stuff is.

 


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Subscribe and follow our YouTube channel!


   
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