gistfile1.txt

template:
  sensor:
    - unique_id: energy_buy_prices_dkk_kwh
      name: "Energy Buy Prices DKK/kWh"
      device_class: energy
      unit_of_measurement: DKK/kWh
      state: OK
      attributes:
        prices: >
          {% set raw_prices=( state_attr('sensor.energi_data_service_raw', 'raw_today' ) + (state_attr('sensor.energi_data_service_raw', 'raw_tomorrow' ) if state_attr('sensor.energi_data_service_raw', 'tomorrow_valid' ) else []) ) %}

          {% set prices_with_fees = namespace(prices=[]) %}
          {% for raw_price in raw_prices %}
            {% set year = raw_price.hour.year  %}
            {% set month = raw_price.hour.month %}
            {% set hour = raw_price.hour.hour %}

            {% set trans_nettarif = 0.06125 if year == 2022 else 0.095 %}
            {% set systemtarif = 0.07625 if year == 2022 else 0.08375 %}
            {% set balancetarif_forbrug = 0.002875 if year == 2022 else 0.0 %}

            {% set elafgift = 0.95375 %} {# 2022 #}
            {% if year == 2023 %}
              {% set elafgift = 0.01 if month < 7 else 0.87125 %} {# Midlertidig nedsættelse af elafgift #}
            {% endif %}

            {% if year == 2022 %}
              {% if hour >= 17 and hour <= 20 %} {# Spidslast #}
                {% set nettarif = 0.956375 %}
              {% else %} {# Lavlast #}
                {% set nettarif = 0.375375 %}
              {% endif %}
      
            {% else %} {# 2023+ #}
              {% if month == 1 %} {# Vintertarif 2023-01 #}
                {% if hour < 6 %} {# Lavlast #}
                  {% set nettarif = 0.265875 %}
                {% elif hour >= 17 and hour < 21 %} {# Spidslast #}
                  {% set nettarif = 2.391875 %}
                {% else %} {# Højlast (6-17 + 21-24) #}
                  {% set nettarif = 0.797375 %}
                {% endif %}

              {% elif month < 4 or month > 9 %} {# Vintertarif 2023-02+ #}
                {% if hour < 6 %} {# Lavlast #}
                  {% set nettarif = 0.286875 %}
                {% elif hour >= 17 and hour < 21 %} {# Spidslast #}
                  {% set nettarif = 2.58325 %}
                {% else %} {# Højlast (6-17 + 21-24) #}
                  {% set nettarif = 0.861125 %}
                {% endif %} 

              {% else %} {# Sommertarif 2023 #}
                {% if hour < 6 %} {# Lavlast #}
                  {% set nettarif = 0.286875 %}
                {% elif hour >= 17 and hour < 21 %} {# Spidslast #}
                  {% set nettarif = 1.119375 %}
                {% else %} {# Højlast (6-17 + 21-24) #}
                  {% set nettarif = 0.4305 %}
                {% endif %}

              {% endif %}
            {% endif %}

            {% set prices_with_fees.prices = prices_with_fees.prices + [{'hour': raw_price.hour.isoformat(), 'price': (raw_price.price + nettarif + trans_nettarif + systemtarif + balancetarif_forbrug + elafgift) | round(3) }] %}
          {% endfor %}
          {{ prices_with_fees.prices }}

    - unique_id: energy_current_buy_price_dkk_kwh
      name: "Energy Current Buy Price DKK/kWh"
      device_class: energy
      unit_of_measurement: DKK/kWh
      state: >
        {{ (state_attr('sensor.energy_buy_prices_dkk_kwh', 'prices')[now().hour+1].price | float(0)) }}