And here we go.
In the beginning, the battery is charging and SetPoint_W could be (Production - House consumption).
At USOC 95%, you can observe that the Setpoint is higher than the actual reported charging power (maybe a limit to slow down charge once you reach near 100%).
After that it looks like trickle charge.
How about you just disable charging once you charge your car and enable automatic mode afterwards?
Hi Julianlu
Yea that is the plan. No rush on this as i don’t have the car yet 
. Just want to built the ability and system set up. I am still waiting to hear back from Sonnen.
David
You need to use the RESTful Sensor - Home Assistant to select either the production or consumption subset.
Then pair it with a template sensor and you should be able to select it in the energy dashboard.
The following config should get you started:
# Sonnenbatterie APIV2 - Powermeter production
- platform: rest
name: SonnenAPIV2_Powermeter_Production
scan_interval: 20
resource: http://YOUR-IP-HERE:80/api/v2/powermeter
headers:
Auth-Token: !secret sonnen_api_token
json_attributes_path: "$.[0]"
json_attributes:
- direction
- kwh_imported
value_template: '{{ value_json.sonnenapiv2_powermeter_production | default }}'
# Sonnenbatterie APIV2 - Powermeter consumption
- platform: rest
name: SonnenAPIV2_Powermeter_Consumption
scan_interval: 20
resource: http://YOUR-IP-HERE:80/api/v2/powermeter
headers:
Auth-Token: !secret sonnen_api_token
json_attributes_path: "$.[1]"
json_attributes:
- direction
- kwh_imported
value_template: '{{ value_json.sonnenapiv2_powermeter_consumption | default }}'
template:
- sensor:
- name: 'Consumption kWh'
unit_of_measurement: "kWh"
device_class: energy
state_class: total_increasing
state: >-
{{ states.sensor.sonnenapiv2_powermeter_consumption.attributes["kwh_imported"] }}
- sensor:
- name: 'Production kWh'
unit_of_measurement: "kWh"
device_class: energy
state_class: total_increasing
state: >-
{{ states.sensor.sonnenapiv2_powermeter_production.attributes["kwh_imported"] }}
2 Likes
Thanks for sharing all the information. I installed the repo but I don’t know, if I had to add further configurations, or if the webhooks are already integreted in this version. I add the Riemann-Sum for the charging and discharging to add it into the energy dashboard. What can and need I do more?
I’m using Node Red to change the operating mode from Automatic to Time of use to charge the battery in off peak hours and take advantage of a free hour of power that the electric company I use gives us everyday.
I have checked with Sonnen directly and setting the Charge/Discharge manually can be reverted by setting it to Automatic.
@chrism751 can you share the node red as that sounds really good. I want to do something similar in winter when there is a low PV prediction to charge at night time rates.
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1 Like
After having more of a play around, I’m now changing modes to Manual and telling it to charge for the hour period at its max rate. Cuts out having to set times in Time of Use and then ToU varying the charge rate. Also Time of Use is limited to input and output of 3.3kw, yet in Self Consumption/Automatic, it can discharge at 3.3kw while using PV power for a combined total of 4.6kw. So I would avoid using Time of Use mode if possible.
1 Like
@chrism751 did you manage to get the Curl command working, mine below does not seem to work
curl -X POST --header 'Auth-Token: xxxxxxxxx' http://192.168.86.../api/v2/setpoint/charge/5000
I got it working via node-red.
Im a complete noob when it comes to HA and I understand very little. I managed to get the following to work in Node-red to set a manual charging event.
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I finally got this working via a HA button and slider for the charge/discharge rate.
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This fixed it.
Thanks
Nice. Looks really tidy.
Hi there, sorry for the newbie question but is there some kind of tutorial available on how to set this up ?
I’ve been trying to fumble my way through creating a sensor so I can output the Consumption value the whole house is using. It isn’t one of the ones in the weltmeyer integration but I can see the correct output in the basic status data.
I tried entering this into my config file, but get errors in the log so something is wrong.
Or alternatively, is there an easy way to do this in node red?
sensor:
# Sonnenbatterie APIV2
- platform: rest
name: SonnenAPIV2_latest
scan_interval: 5
resource: http://192.168.1.40:80/api/v2/latestdata
headers:
Auth-Token: !secret sonnen_api_token
json_attributes:
- Consumption_W
value_template: '{{ value_json.sonnenapiv2_latest | default }}'
- platform: template
sensors:
sonnenapiv2_latest_consumption_w:
friendly_name: 'Consumption_W'
value_template: '{{ states.sensor.sonnenapiv2_latest.attributes["Consumption_W"] }}'
unit_of_measurement: W
device_class: power
This is the error in the log file.
Logger: homeassistant.helpers.event
Source: helpers/template.py:421
First occurred: 8:23:49 AM (1 occurrences)
Last logged: 8:23:49 AM
Error while processing template: Template("{{ states.sensor.sonnenapiv2_latest.attributes[“Consumption_W”] }}")
Traceback (most recent call last):
File “/usr/src/homeassistant/homeassistant/helpers/template.py”, line 419, in async_render
render_result = _render_with_context(self.template, compiled, **kwargs)
File “/usr/src/homeassistant/homeassistant/helpers/template.py”, line 1904, in _render_with_context
return template.render(**kwargs)
File “/usr/local/lib/python3.10/site-packages/jinja2/environment.py”, line 1301, in render
self.environment.handle_exception()
File “/usr/local/lib/python3.10/site-packages/jinja2/environment.py”, line 936, in handle_exception
raise rewrite_traceback_stack(source=source)
File “”, line 1, in top-level template code
File “/usr/local/lib/python3.10/site-packages/jinja2/sandbox.py”, line 303, in getitem
return obj[argument]
jinja2.exceptions.UndefinedError: ‘None’ has no attribute ‘attributes’
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File “/usr/src/homeassistant/homeassistant/helpers/template.py”, line 535, in async_render_to_info
render_info._result = self.async_render(variables, strict=strict, **kwargs)
File “/usr/src/homeassistant/homeassistant/helpers/template.py”, line 421, in async_render
raise TemplateError(err) from err
homeassistant.exceptions.TemplateError: UndefinedError: ‘None’ has no attribute ‘attributes’
Hi
Tried your yaml in my installation but I get the following when validating it:
Invalid config for [sensor.template]: [state_class] is an invalid option for [sensor.template]. Check: sensor.template->sensors->sonnen_powermeter_consumption->state_class. (See ?, line ?).
I changed the template section to:
- platform: template
sensors:
sonnen_powermeter_consumption:
friendly_name: "Consumption kWh"
unit_of_measurement: "kWh"
device_class: energy
state_class: "total_increasing"
state: >-
{{ states.sensor.sonnenapiv2_powermeter_consumption.attributes["kwh_imported"] }}
Any inputs on how to make it work? If your example is going to work, where should I put the template section if I copy-paste it? Not in the sensors section at least 
Any input is appreciated! Thanks!
Hi again
Yet another observation that somebody might be able to help me with
I’m connecting to the endpoint /powermeter, but I only get the first portion for consumption, not the second for production.
Output via Postman:
[
{
"a_l1": XX,
"a_l2": XX,
"a_l3": XX,
"channel": 2,
"deviceid": 4,
"direction": "consumption",
"error": 0,
"kwh_exported": 0,
"kwh_imported": XX,
"v_l1_l2": XX,
"v_l1_n": XX,
"v_l2_l3": XX,
"v_l2_n": XX,
"v_l3_l1": XX,
"v_l3_n": XX,
"va_total": XX,
"var_total": -XX,
"w_l1": XX,
"w_l2": XX,
"w_l3": XX,
"w_total": XX
}
]
Might this be because my Sonnen is not producing at the time of the GET request?
Any input appreciated. Thanks!
