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This component will set up the following platforms.

Platform Description
sensor Show info from RCT Power API.

{% if not installed %}

Installation

Via the HACS integration

  1. Install the "RCT Power" integration using HACS.
  2. In the HA UI go to "Configuration" -> "Integrations" click "+" and search for "RCT Power"

Via manual download

  1. Using the tool of choice open the directory (folder) for your HA configuration (where you find configuration.yaml).
  2. If you do not have a custom_components directory (folder) there, you need to create it.
  3. In the custom_components directory (folder) create a new folder called rct_power.
  4. Download all the files from the custom_components/rct_power/ directory (folder) in this repository.
  5. Place the files you downloaded in the new directory (folder) you created.
  6. Restart Home Assistant
  7. In the HA UI go to "Configuration" -> "Integrations" click "+" and search for "RCT Power"

{% endif %}

Configuration

Upon installation the integration accepts the following configuration parameters:

  • Host name: The local IP address or host name of the inverter.
  • Port: The port of the inverter's API, defaults to 8899.
  • Name: This name is used as a prefix to the entities created by this integration and can be used to disambiguate multiple inverters.

After installation the integration allows for the following configuration parameters to be changed:

  • Frequent polling interval: The polling interval in seconds for entities updated frequently, defaults to 30.
  • Infrequent polling interval: The polling interval in seconds for entities updated infrequently, defaults to 180.
  • Static polling interval: The polling interval in seconds for entities updated seldomly, defaults to 3600.

Usage with the built-in energy dashboard

You can use the entities provided by this integration on Home Assistant's built-in energy dashboard. For that purpose, navigate to "Configuration" -> "Energy" and choose the following entities.

Please note that the entity names in your installation are prefixed with the inverter name chosen during installation of the integration, so interpret the entity names mentioned below to be entity name suffixes.

Also note that after configuration the energy dashboard might take several hours to show any data, because Home Assistant calculates the underlying statistics only on an hourly basis.

Electricity grid

Configuration item Entity name Note
Grid consumption Grid Energy Consumption Total
Return to grid Grid Energy Production Absolute Total Make sure to use the "Absolute" variant of this entity

Solar panels

You can configure the two generator strings A and B separately or combined depending on your preference.

Separate generator strings

Configuration item Entity name
Solar Production Generator A Energy Production Total
Solar Production Generator B Energy Production Total

Combined generator strings

Configuration item Entity name
Solar Production All Generators Energy Production Total

Home Battery Storage

Configuration item Entity name
Battery systems - Energy going into the battery Battery Stored Energy
Battery systems - Energy coming out of the battery Battery Used Energy

Most commonly used entities

⚠️ This list is incomplete and the interpretations might be incorrect due to a lack of official documentation.

Grid

Entity name Unit Description
Grid Frequency Hz the instantaneous overall grid frequency
Grid Frequency P1/P2/P3 Hz the instantaneous grid frequency on phase 1/2/3
Grid Power W the instantaneous power consumed from (> 0) or fed into (< 0) the grid
Grid Power P1/P2/P3 W the instantaneous power consumed from or fed into the grid on phase 1/2/3
Grid Voltage P1/P2/P3 W the instantaneous grid voltage on phase 1/2/3
Grid Energy Consumption Day/Month/Year/Total Wh the cumulative energy consumed from the grid
Grid Energy Production Day/Month/Year/Total Wh the cumulative energy fed into the grid
Grid Energy Production Absolute Total kWh the absolute value of the cumulative energy fed into the grid since installation
Grid Maximum Feed Power W the maximum power the inverter is configured to feed into the grid

Battery

Entity name Unit Description
Battery Power W the instantaneous power consumed from (> 0) or fed into (< 0) the battery
Battery Current A the instantaneous current flowing from or to the battery
Battery Voltage V the instantaneous voltage of the battery
Battery Temperature °C the instantaneous temperature of the battery
Battery Cycles the recorded full charge/discharge cycles of the battery
Battery State of Charge % the instantaneous state of charge of the battery
Battery State of Charge Target % the state of charge of the battery aimed for by the system
Battery State of Health % the estimated state of health of the battery
Battery Stored Energy Wh the cumulative energy fed into the battery
Battery Used Energy Wh the cumulative energy consumed from the battery

Household consumers and producers

Entity name Unit Description
Consumer Energy Consumption Day/Month/Year/Total Wh the cumulative energy consumed by the household (from any source)
Consumer Power W the instantaneous power consumed by the household
Consumer Power P1/P2/P3 W the instantaneous power consumed by the household on phase 1/2/3
External Energy Production Day/Month/Year/Total Wh the cumulative energy produced by the external producer (if installed)

Photovoltaic generators

Entity name Unit Description
Generator A Energy Production Day/Month/Year/Total Wh the cumulative energy produced by generator string A
Generator B Energy Production Day/Month/Year/Total Wh the cumulative energy produced by generator string B
All Generators Energy Production Total Wh the sum of the cumulative energy produced by both generator strings
Generator A Power W the instantaneous power produced by generator string A
Generator B Power W the instantaneous power produced by generator string B
All Generators Power W the sum of the instantaneous power produced by both generator strings
Generator A Voltage V the instantaneous voltage produced by generator string A
Generator B Voltage V the instantaneous voltage produced by generator string B
Generator Maximum Power W the configured combined maximum power of both generator strings
Insulation Resistance Ohm
Insulation Resistance Positive/Negative Input Ohm
Minimum Insulation Resistance Ohm

Inverter

Entity name Unit Description
Inverter AC Power W the instantaneous AC power transmitted by the inverter
Inverter Energy Production Day/Month/Year/Total Wh the cumulative energy produced by the inverter
Inverter Power P1/P2/P3 W the instantaneous power consumed or generated by the inverter
Inverter Serial Number the serial number of the inverter
Faults a bitmask of the failures reported by the inverter

Contributions are welcome!

If you want to contribute to this please read the Contribution guidelines

Credits

This would have been a lot more difficult if not for @svalouch's python-rctclient library. Thank you!

This project was generated from @oncleben31's Home Assistant Custom Component Cookiecutter template.

Code template was mainly taken from @Ludeeus's integration_blueprint template