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Open Energy Monitor

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Mars
 Mars
(@editor)
Illustrious Member Admin
17788 kWhs
Veteran
Joined: 3 years ago
Posts: 2382
Topic starter  

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

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Follow our sustainability journey at My Home Farm: https://myhomefarm.co.uk


   
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(@mblinko)
Eminent Member Member
74 kWhs
Joined: 1 year ago
Posts: 5
 

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

This post was modified 5 months ago by mblinko

   
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(@tomasmcguinness)
Eminent Member Member
135 kWhs
Joined: 5 months ago
Posts: 15
 

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
Next big project is a heat pump!


   
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(@bontwoody)
Noble Member Contributor
2971 kWhs
Joined: 2 years ago
Posts: 421
 

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

House-2 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
17788 kWhs
Veteran
Joined: 3 years ago
Posts: 2382
Topic starter  

@bontwoody looking forward to that.

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Follow our sustainability journey at My Home Farm: https://myhomefarm.co.uk


   
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(@iancalderbank)
Noble Member Contributor
3640 kWhs
Joined: 2 years ago
Posts: 644
 

@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
17788 kWhs
Veteran
Joined: 3 years ago
Posts: 2382
Topic starter  

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

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Follow our sustainability journey at My Home Farm: https://myhomefarm.co.uk


   
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 mjr
(@mjr)
Prominent Member Member
1941 kWhs
Joined: 2 years ago
Posts: 304
 

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?

This post was modified 5 months ago by mjr

   
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(@bontwoody)
Noble Member Contributor
2971 kWhs
Joined: 2 years ago
Posts: 421
 

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

House-2 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
17788 kWhs
Veteran
Joined: 3 years ago
Posts: 2382
Topic starter  

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

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Follow our sustainability journey at My Home Farm: https://myhomefarm.co.uk


   
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(@bontwoody)
Noble Member Contributor
2971 kWhs
Joined: 2 years ago
Posts: 421
 

@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-2 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
17788 kWhs
Veteran
Joined: 3 years ago
Posts: 2382
Topic starter  

@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.

 

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Follow our sustainability journey at My Home Farm: https://myhomefarm.co.uk


   
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