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Electricity, Tariffs, Monitoring & Providers

Last Post by bontwoody 2 years ago

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Mars

(@editor)

Illustrious Member Admin

Joined: 5 years ago

Posts: 3803

Topic starter 02/02/2024 9:00 pm

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

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mblinko

(@mblinko)

Active Member Member

Joined: 3 years ago

Posts: 5

03/02/2024 6:19 am

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

This post was modified 2 years ago by mblinko

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tomasmcguinness

(@tomasmcguinness)

Trusted Member Member

Joined: 2 years ago

Posts: 26

03/02/2024 10:21 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
Next big project is a heat pump!

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bontwoody

(@bontwoody)

Noble Member Contributor

Joined: 4 years ago

Posts: 953

03/02/2024 6:15 pm

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

(@editor)

Illustrious Member Admin

Joined: 5 years ago

Posts: 3803

Topic starter 03/02/2024 9:07 pm

@bontwoody looking forward to that.

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iancalderbank

(@iancalderbank)

Noble Member Contributor

Joined: 3 years ago

Posts: 643

04/02/2024 3:09 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

(@editor)

Illustrious Member Admin

Joined: 5 years ago

Posts: 3803

Topic starter 07/02/2024 4:00 pm

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

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mjr

(@mjr)

Prominent Member Member

Joined: 4 years ago

Posts: 301

07/02/2024 4:44 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?

This post was modified 2 years ago by mjr

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bontwoody

(@bontwoody)

Noble Member Contributor

Joined: 4 years ago

Posts: 953

07/02/2024 4:45 pm

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

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Mars

(@editor)

Illustrious Member Admin

Joined: 5 years ago

Posts: 3803

Topic starter 16/02/2024 8:28 am

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

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bontwoody

(@bontwoody)

Noble Member Contributor

Joined: 4 years ago

Posts: 953

17/02/2024 10:14 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.

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Mars

(@editor)

Illustrious Member Admin

Joined: 5 years ago

Posts: 3803

Topic starter 17/02/2024 10:24 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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