# Räkna ut skillnaden i elpris mellan vårt fasta pris och timme-för-timmepris. Negativa siffror indikerar sparande pengar, positivt förlorade pengar
### Hourly, daily, weekly and monthly cost comparisions
- platform: template
  sensors:
    hourly_cost_comparison:
      friendly_name: "Hourly Cost Comparison"
      unit_of_measurement: "SEK"
      value_template: >
        {% set hourly_rate = states('sensor.nordpool_kwh_se3_sek_3_10_025') | float %}
        {% set hourly_usage = states('sensor.hourly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost_with_hourly_rate = hourly_rate * hourly_usage %}
        {% set cost_with_fixed_tariff = fixed_tariff * hourly_usage %}
        {% set cost_difference = cost_with_fixed_tariff - cost_with_hourly_rate %}
        {{ cost_difference | round(3) }}

- platform: template
  sensors:
    daily_cost_comparison:
      friendly_name: "Daily Energy Cost Comparison"
      unit_of_measurement: "SEK"
      value_template: >
        {% set daily_rate = states('sensor.nordpool_kwh_se3_sek_3_10_025') | float %}
        {% set daily_usage = states('sensor.daily_energy_used') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost_with_daily_rate = daily_rate * daily_usage %}
        {% set cost_with_fixed_tariff = fixed_tariff * daily_usage %}
        {% set cost_difference = cost_with_fixed_tariff - cost_with_daily_rate %}
        {{ cost_difference | round(2) }}
      attribute_templates:
        last_period_usage: >
          {{ states('sensor.daily_energy_use') }}

- platform: template
  sensors:
    weekly_cost_comparison:
      friendly_name: "Weekly Energy Cost Comparison"
      unit_of_measurement: "SEK"
      value_template: >
        {% set weekly_rate = states('sensor.nordpool_kwh_se3_sek_3_10_025') | float %}
        {% set weekly_usage = states('sensor.weekly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost_with_weekly_rate = weekly_rate * weekly_usage %}
        {% set cost_with_fixed_tariff = fixed_tariff * weekly_usage %}
        {% set cost_difference = cost_with_fixed_tariff - cost_with_weekly_rate %}
        {{ cost_difference | round(2) }}
      attribute_templates:
        last_period_usage: >
          {{ states('sensor.weekly_energy_use') }}

- platform: template
  sensors:
    monthly_cost_comparison:
      friendly_name: "Monthly Energy Cost Comparison"
      unit_of_measurement: "SEK"
      value_template: >
        {% set monthly_rate = states('sensor.nordpool_kwh_se3_sek_3_10_025') | float %}
        {% set monthly_usage = states('sensor.monthly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost_with_monthly_rate = monthly_rate * monthly_usage %}
        {% set cost_with_fixed_tariff = fixed_tariff * monthly_usage %}
        {% set cost_difference = cost_with_fixed_tariff - cost_with_monthly_rate %}
        {{ cost_difference | round(2) }}
      attribute_templates:
        last_period_usage: >
          {{ states('sensor.monthly_energy_use') }}

### Hourly, daily, weekly and monthly cost calculations
- platform: template
  sensors:
    hourly_energy_cost:
      friendly_name: "Hourly Energy Cost"
      unit_of_measurement: "SEK"
      value_template: >
        {% set hourly_usage = states('sensor.hourly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost = hourly_usage * fixed_tariff %}
        {{ cost | round(2) }}

- platform: template
  sensors:
    daily_energy_cost:
      friendly_name: "Daily Energy Cost"
      unit_of_measurement: "SEK"
      value_template: >
        {% set daily_usage = states('sensor.daily_energy_used') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost = daily_usage * fixed_tariff %}
        {{ cost | round(2) }}

- platform: template
  sensors:
    weekly_energy_cost:
      friendly_name: "Weekly Energy Cost"
      unit_of_measurement: "SEK"
      value_template: >
        {% set weekly_usage = states('sensor.weekly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost = weekly_usage * fixed_tariff %}
        {{ cost | round(2) }}

- platform: template
  sensors:
    monthly_energy_cost:
      friendly_name: "Monthly Energy Cost"
      unit_of_measurement: "SEK"
      value_template: >
        {% set monthly_usage = states('sensor.monthly_energy_use') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set cost = monthly_usage * fixed_tariff %}
        {{ cost | round(2) }}

- platform: template
  sensors:
    current_energy_tariff_diff:
      friendly_name: "Current Energy Tariff Diff"
      unit_of_measurement: SEK
      value_template: >
        {% set current_hourly_price = states('sensor.nordpool_kwh_se3_sek_3_10_025') | float %}
        {% set fixed_tariff = states('select.energy_tariff_ex_moms') | float %}
        {% set current_diff = fixed_tariff - current_hourly_price %}
        {{ current_diff | round(2) }}