diff --git a/homeassistant/sensor/powerwall/powerwall.yaml b/homeassistant/sensor/powerwall/powerwall.yaml
index 06a0966ab..959cd9841 100644
--- a/homeassistant/sensor/powerwall/powerwall.yaml
+++ b/homeassistant/sensor/powerwall/powerwall.yaml
@@ -226,7 +226,7 @@
         {% set s = state_attr('binary_sensor.motion_powerwall_load_spike','ago') %}
         {% if s|lower != 'none' and s|lower != 'unavailable' and s|lower != 'unknown' and s|lower != 'none' %}
           {{ s }}
-        {% else %}{{- 'none' -}}{% endif %}
+        {% else %}{{- None -}}{% endif %}
 
 - platform: statistics
   name: motion_powerwall_load_spike_ago_total_1d
@@ -256,7 +256,7 @@
         {% set s = state_attr('binary_sensor.motion_powerwall_load_spike','energy') %}
         {% if s|lower != 'none' and s|lower != 'unavailable' and s|lower != 'unknown' and s|lower != 'none' %}
           {{ s }}
-        {% else %}{{- 'none' -}}{% endif %}
+        {% else %}{{- None -}}{% endif %}
 
 - platform: statistics
   name: motion_powerwall_load_spike_energy_total_1d