- platform: template
    sensors:
      evn_cost:
        friendly_name: "EVN Cost"
        unique_id: "evn_cost"
        unit_of_measurement: BGN/kWh
        value_template:  "
        {% set winter = [1, 2, 3, 11, 12] %}
        {% if now().month in winter %}
                {% if now().hour >= 7
                        and now().hour < 22 %} 0.24812
                {% else %} 0.13668
                {% endif %}
        {% else %}
                {% if now().hour >= 6
                        and now().hour < 23 %} 0.24812
                {% else %} 0.13668
                {% endif %}
        {% endif %}"