How to get a xy-graph for my template sensor?

Hi,
I want to have a graph of a sensor state over time to compare it with other sensor data. However, I only get a color-coded bar, no xy-graph.

The sensor is defined via a template like this:

template:
  - sensor:
      - name: "const_fronius_symo_max_power_W"
        # inverter max power is 5000 W
        state: >
          {{ 5000 | int }}
      - name: "const_pv_carport_installed_Wp"
        state: >
          {{ 5220 | int }}
      - name: "const_max_grid_feed_W"
        # Solarspitzengesetz: maximum grid feed is 60% of kWp installed
        state: >
          {{ states("sensor.const_pv_carport_installed_Wp") | float(0) * 0.60 }}
      - name: "fronius_symo_dyn_power_limit_W"
        state: >
          {{ ( [ ((states("sensor.shellypro3_total_active_power") | float(0) )
                 + (states("sensor.fronius_symo_5_0_leistung_ac")  | float(0) )
                 + (states("sensor.const_max_grid_feed_W")  | float(0) )),
                 states("sensor.const_fronius_symo_max_power_W") | float(0) ] | min )
          }}

Is the template missing anything to instruct HA to do that? Thanks!

You need to specify a unit_of_measurement for the sensors you want to be treated as numbers (so you can graph them).

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