ha-config/config/packages/energy.yaml

# See also sungrow.yaml

utility_meter:
  monthly_energy_import:
    unique_id: 45592bcec26dce9610a2
    source: sensor.eagle_200_total_meter_energy_delivered
    name: Energy imported
    cycle: monthly
    tariffs:
      - peak
      - offpeak

  daily_energy_import:
    unique_id: 369a60ac77147745dc93
    source: sensor.eagle_200_total_meter_energy_delivered
    name: Energy imported
    cycle: daily
    tariffs:
      - peak
      - offpeak

  monthly_energy_export:
    unique_id: f1ad1161d984e5318715
    source: sensor.eagle_200_total_meter_energy_received
    name: Energy exported
    cycle: monthly

  daily_energy_export:
    unique_id: 327f806728f2d087e8e5
    source: sensor.eagle_200_total_meter_energy_received
    name: Energy exported
    cycle: daily

  # daily_supply_charge:
  #   unique_id: 31887b27e2ecd837328b

template:
  - trigger:
      - platform: time_pattern
        hours: "*" # calculate hourly should be fine
    sensor:
      # Increases every day by 1W to fake a daily supply charge in energy dashboard.
      - state: >-
          {{ 0.001 * (now() - "2022-09-26" | as_datetime | as_local).days }}          
        unit_of_measurement: kWh
        state_class: total_increasing
        device_class: energy
        unique_id: 3970c65019ebd336b074
        name: "Days for daily supply charge"

automation:
  - id: b508954f792ff8483254
    alias: Change electricity tariff
    mode: single
    trigger:
      - platform: time
        at: "15:00:00"
        variables:
          tariff: peak
      - platform: time
        at: "21:00:00"
        variables:
          tariff: offpeak
    action:
      - service: select.select_option
        target:
          entity_id:
            - select.monthly_energy_import
            - select.daily_energy_import
        data:
          option: "{{ tariff }}"

  - id: 4f863af550147e9b3170
    alias: update pvoutput
    trigger:
      platform: time_pattern
      minutes: /5
    action:
      service: rest_command.update_pvoutput
      data: {}
    mode: single

rest_command:
  # https://pvoutput.org/help/api_specification.html#id1
  update_pvoutput:
    url: https://pvoutput.org/service/r2/addstatus.jsp
    method: post
    headers:
      Host: pvoutput.org
      User-Agent: HomeAssistant
      X-Pvoutput-Apikey: !secret pvoutput_api_key
      X-Pvoutput-SystemId: !secret pvoutput_system_id
    payload: "{{ states('sensor.pvoutput_payload') }}"
    content_type: "application/x-www-form-urlencoded"

sensor:
  - platform: template
    sensors:
      pvoutput_payload:
        unique_id: pvoutput_payload
        friendly_name: PVOutput payload
        value_template: >-
          d={{now().strftime("%Y%m%d")}}                                    {#- date -#}
          &t={{now().strftime("%H:%M")}}                                    {#- time -#}
          &c1=2                                                             {#- cumulative mode -#}
          &v1={{states('sensor.inverter_pv_generation_today') | int * 1000 }} {#- energy generation -#}
          &v2={{states('sensor.inverter_pv_power')|float|round(0)}}     {#- power generation (W) -#}
          &v4={{states('sensor.inverter_load_power')|float|round(0)}}    {#- power consumption (W) -#}
          &v6={{states('sensor.inverter_phase_a_voltage')|float|round(1)}}  {#- voltage -#}          

      # eagle_200_meter_power_demand_w:
      #   unique_id: 528a94ffdd069f6f5dcd
      #   friendly_name: Eagle-200 Meter Power Demand (W)
      #   value_template: >-
      #     {{ states('sensor.eagle_200_meter_power_demand') | float * 1000 }}
      #   unit_of_measurement: W
      #   device_class: power

      inverter_grid_power_demand:
        unique_id: 733c721fd52bf672d0ed
        friendly_name: Inverter grid power demand
        value_template: >-
          {{ iif(states('sensor.inverter_export_power') | float == 0, 0, -1 * states('sensor.inverter_export_power') | float) }}          
        unit_of_measurement: W
        device_class: power

      current_electricity_cost:
        unique_id: current_electricity_cost
        value_template: |
          {{ (states('sensor.electricity_general_price') | float * states('sensor.eagle_200_meter_power_demand') | float) | round(2) }}          
        unit_of_measurement: $/hr
        device_class: monetary
        friendly_name: Current electricity cost

      property_power_usage:
        unique_id: property_power_usage
        value_template: |
          {{ [0, (states('sensor.eagle_200_meter_power_demand') | float + states('sensor.inverter_active_power') | float) | round(0)] | max }}          
        unit_of_measurement: W
        device_class: power
        friendly_name: Property power usage

      # This should count any power that is not coming _directly_ from the sun, including the home battery. This is
      # because power used here can cause purchasing to happen later when the battery is drained, and the proportion of
      # usage between the main house and the tiny house should reflect the proportion of the bill.
      #
      # Note: Ideally, if we drain from battery and then the sun re-charges it, it wouldn't be counted, but that might be trickier so I'll have to work on that later.
      budgeted_property_power_usage:
        unique_id: budgeted_property_power_usage
        value_template: |
          {{ [0, (states('sensor.eagle_200_meter_power_demand') | float + states('sensor.inverter_active_power') | float - states('sensor.inverter_pv_power') | float)| round(0)] | max }}          
        unit_of_measurement: W
        device_class: power
        friendly_name: Property power usage

  - platform: integration
    source: sensor.property_power_usage
    name: Property energy usage
    unique_id: property_energy_usage
    unit_prefix: k
    round: 2

  - platform: integration
    source: sensor.budgeted_property_power_usage
    name: Budgeted property energy usage
    unique_id: budgeted_property_energy_usage
    unit_prefix: k
    round: 2