Adding multiple sensors values into one!

Configuration
19

Solution to show Power Wall (negative) discharge values of the sensor as positive and showing 0 for all the positive values of the sensor. It works. Thank you again. Would you change anything?

template:
  - sensor:
      - name: "PWdischarge Tesla"
        unit_of_measurement: "W"
        state: <-
          {{ ([-30000, states('sensor.shunt_instantaneous_power')|int, 0] |sort) [1] | abs }}