Home Assistant / Ferroamp / Tibber Pulse / Easee / EV - Calculated month price with Tibber price guarantee

configuration.yaml

# PoC code to calculate estimated Tibber month cost with Tibber EV charge price guarantee
# Requires Home Assistant and integration to Easee / Ferroamp / Tibber Pulse / Nordpool and some utility meters
# By adding these example entires to configuration.yaml

sensor: 
  - platform: template
    sensors:
      charge_cost_with_price_guarantee:
        value_template: >-
          {% set easee_cost_month = states('sensor.easee_cost_month') | float %}
          {% set energy_cost_monthly = states('sensor.energy_cost_monthly') | float %}  
          {% set house_average_energy_price_month = states('sensor.house_average_energy_price_month') | float %}
          {% set easee_average_energy_price_month = states('sensor.easee_average_energy_price_month') | float %}
          {% set easee_energy_monthly = states('sensor.easee_energy_monthly') | float%}
          {% set monthly_net_consumption_smedstorpsvagen_8 = states('sensor.monthly_net_consumption_smedstorpsvagen_8') | float %}
          {% set monthly_cost_smedstorpsvagen_8 = states('sensor.monthly_cost_smedstorpsvagen_8') | float %}
          {% set charge_kwh_cost_with_price_guarantee = house_average_energy_price_month/2 %}
          {% set charge_cost_with_price_guarantee = ((house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set charge_cost_savings_with_price_guarantee = -1*(easee_cost_month - (house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set new_total_energy_cost_month = (monthly_cost_smedstorpsvagen_8 - easee_cost_month + ((house_average_energy_price_month/2) * easee_energy_monthly)) | round (0) %}
          {{charge_cost_with_price_guarantee}}
        friendly_name: 'Charge cost with price guarantee'
        unit_of_measurement: 'SEK'
  - platform: template
    sensors:
      charge_cost_savings_with_price_guarantee:
        value_template: >-
          {% set easee_cost_month = states('sensor.easee_cost_month') | float %}
          {% set energy_cost_monthly = states('sensor.energy_cost_monthly') | float %}  
          {% set house_average_energy_price_month = states('sensor.house_average_energy_price_month') | float %}
          {% set easee_average_energy_price_month = states('sensor.easee_average_energy_price_month') | float %}
          {% set easee_energy_monthly = states('sensor.easee_energy_monthly') | float%}
          {% set monthly_net_consumption_smedstorpsvagen_8 = states('sensor.monthly_net_consumption_smedstorpsvagen_8') | float %}
          {% set monthly_cost_smedstorpsvagen_8 = states('sensor.monthly_cost_smedstorpsvagen_8') | float %}
          {% set charge_kwh_cost_with_price_guarantee = house_average_energy_price_month/2 %}
          {% set charge_cost_with_price_guarantee = ((house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set charge_cost_savings_with_price_guarantee = -1*(easee_cost_month - (house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set new_total_energy_cost_month = (monthly_cost_smedstorpsvagen_8 - easee_cost_month + ((house_average_energy_price_month/2) * easee_energy_monthly)) | round (0) %}
          {{charge_cost_savings_with_price_guarantee}}
        friendly_name: 'Charge cost savings with price guarantee'
        unit_of_measurement: 'SEK'
  - platform: template
    sensors:
      calculated_total_energy_cost_monthly:
        value_template: >-
          {% set easee_cost_month = states('sensor.easee_cost_month') | float %}
          {% set energy_cost_monthly = states('sensor.energy_cost_monthly') | float %}
          {% set energy_reward_monthly = states('sensor.energy_reward_monthly') | float %}
          {% set house_average_energy_price_month = states('sensor.house_average_energy_price_month') | float %}
          {% set easee_average_energy_price_month = states('sensor.easee_average_energy_price_month') | float %}
          {% set easee_energy_monthly = states('sensor.easee_energy_monthly') | float%}
          {% set monthly_net_consumption_smedstorpsvagen_8 = states('sensor.monthly_net_consumption_smedstorpsvagen_8') | float %}
          {% set monthly_cost_smedstorpsvagen_8 = states('sensor.monthly_cost_smedstorpsvagen_8') | float %}
          {% set charge_kwh_cost_with_price_guarantee = house_average_energy_price_month/2 %}
          {% set charge_cost_with_price_guarantee = ((house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set charge_cost_savings_with_price_guarantee = -1*(easee_cost_month - (house_average_energy_price_month/2) * easee_energy_monthly) | round(0) %}
          {% set new_total_energy_cost_month = (monthly_cost_smedstorpsvagen_8 - energy_reward_monthly - easee_cost_month + ((house_average_energy_price_month/2) * easee_energy_monthly)) | round (0) %}
          {{new_total_energy_cost_month}}
        friendly_name: 'Calculated total energy cost monthly'
        unit_of_measurement: 'SEK'

utility_meter:
  energy_cost_hourly:
    source: sensor.monthly_cost_smedstorpsvagen_8
    cycle: hourly
  energy_cost_daily:
    source: sensor.monthly_cost_smedstorpsvagen_8
    cycle: daily
  energy_cost_monthly:
    source: sensor.monthly_cost_smedstorpsvagen_8
    cycle: monthly
  energy_cost_yearly:
    source: sensor.monthly_cost_smedstorpsvagen_8
    cycle: yearly
  energy_reward_hourly:
    source: sensor.accumulated_reward_smedstorpsvagen_8
    cycle: hourly
  energy_reward_daily:
    source: sensor.accumulated_reward_smedstorpsvagen_8
    cycle: daily
  energy_reward_monthly:
    source: sensor.accumulated_reward_smedstorpsvagen_8
    cycle: monthly
  energy_reward_yearly:
    source: sensor.accumulated_reward_smedstorpsvagen_8
    cycle: yearly
  meter_energy_consumed_hourly:
    source: sensor.last_meter_consumption_smedstorpsvagen_8
    cycle: hourly
  meter_energy_consumed_daily:
    source: sensor.last_meter_consumption_smedstorpsvagen_8
    cycle: daily
  meter_energy_consumed_monthly:
    source: sensor.last_meter_consumption_smedstorpsvagen_8
    cycle: monthly
  meter_energy_consumed_yearly:
    source: sensor.last_meter_consumption_smedstorpsvagen_8
    cycle: yearly
  meter_energy_produced_hourly:
    source: sensor.last_meter_production_smedstorpsvagen_8
    cycle: hourly
  meter_energy_produced_daily:
    source: sensor.last_meter_production_smedstorpsvagen_8
    cycle: daily
  meter_energy_produced_monthly:
    source: sensor.last_meter_production_smedstorpsvagen_8
    cycle: monthly
  meter_energy_produced_yearly:
    source: sensor.last_meter_production_smedstorpsvagen_8
    cycle: yearly
  easee_energy_hourly:
    source: sensor.easee_lifetime_energy
    cycle: hourly
  easee_energy_daily:
    source: sensor.easee_lifetime_energy
    cycle: daily
  easee_energy_monthly:
    source: sensor.easee_lifetime_energy
    cycle: monthly
  easee_energy_yearly:
    source: sensor.easee_lifetime_energy
    cycle: yearly
  easee_cost_hourly:
    source: sensor.easee_cost_year
    cycle: hourly
  easee_cost_daily:
    source: sensor.easee_cost_year
    cycle: daily
  easee_cost_monthly:
    source: sensor.easee_cost_year
    cycle: monthly
  easee_cost_yearly:
    source: sensor.easee_cost_year
    cycle: yearly


automation.yaml
alias: Easee - Set charging cost
description: ""
trigger:
  - platform: state
    entity_id:
      - sensor.nordpool_kwh_se4_sek_2_10_025
condition:
  - condition: or
    conditions:
      - condition: state
        entity_id: sensor.easee_status
        state: charging
      - condition: state
        entity_id: sensor.easee_status
        state: awaiting_start
action:
  - service: easee.set_charging_cost
    data:
      device_id: xxxxxxxxxxxxxxxxxxxxxxxxxxx
      cost_per_kwh: "{{ (states('sensor.electricity_price_smedstorpsvagen_8')) | round (2) }}"
      vat: 25
      currency_id: SEK
mode: single