Nordpool Ranked Prices

sensor:
- platform: template
  sensors:
    nordpool_ranked_prices:
      friendly_name: "Nordpool Ranked Prices"
      unique_id: nordpool_ranked_prices
      value_template: '{{states("sensor.nordpool") }}'
      attribute_templates:
        raw_today: >-
          {% set prices = state_attr('sensor.nordpool', 'raw_today') %}
          {% if prices %}
            {% set sorted_prices = prices | sort(attribute='value') %}
            [
              {% for item in prices %}
                {
                  "hour": "{{ item.start.hour }}:00",
                  "rank": {{ sorted_prices.index(item) + 1 }},
                  "value": {{ item.value }}
                }{% if not loop.last %},{% endif %}
              {% endfor %}
            ]
          {% else %}
            "No data available"
          {% endif %}
        raw_tomorrow: >-
          {% set prices = state_attr('sensor.nordpool', 'raw_tomorrow') %}
          {% if prices %}
            {% set sorted_prices = prices | sort(attribute='value') %}
            [
              {% for item in prices %}
                {
                  "hour": "{{ item.start.hour }}:00",
                  "rank": {{ sorted_prices.index(item) + 1 }},
                  "value": {{ item.value }}
                }{% if not loop.last %},{% endif %}
              {% endfor %}
            ]
          {% else %}
            "No data available"
          {% endif %}