SHF next hour price

sensor:
- name: "SHF next hour price"
  unique_id: shf_next_hr_price
  unit_of_measurement: "c/kWh"
  state: >
    {% set next_hr = state_attr("sensor.shf_electricity_price", "data")[states("sensor.shf_idx")|int+now().hour +1] %}
    {{ (next_hr["PriceWithTax"] | float * 100 + 0.38 ) | float | round(3) }}