{%- set raw_today = state_attr(spot, 'raw_today') %}
        {%- set x = namespace() %}
        {%- set x.max_price = -1000 %}
        {%- for hour in range(4,11) %}
          {%- if raw_today[hour].value > x.max_price %}
            {%- set x.max_price = raw_today[hour].value %}
            {%- set x.max_hour = hour %}
          {%- endif %}
        {%- endfor %}
        {{x.max_hour}}