Added sensor for how many lights are currently on

sensors/house_stats.yaml

@@ -40,6 +40,31 @@
       friendly_name: 'Number of NA Entities'
       value_template: >-
         {{ states | selectattr('state', 'eq', 'unavailable') | map(attribute='entity_id') | list | count }}
+    current_lights_on:
+      friendly_name: Current Lights On
+      unit_of_measurement: 'on'
+      value_template: >-
+        {% set lights = [
+          states.light.living_room_color_1,
+          states.light.living_room_color_2,
+          states.light.dining_room_lamp,
+          states.light.mud_room_overhead,
+          states.light.downstairs_bathroom_left,
+          states.light.downstairs_bathroom_right,
+          states.light.basement_tall_lamp,
+          states.light.basement_short_lamp,
+          states.light.basement_stairwell,
+          states.light.basement_led_strip_1,
+          states.light.hallway_overhead,
+          states.light.upstairs_bathroom_left,
+          states.light.upstairs_bathroom_right,
+          states.light.upstairs_bathroom_wall,
+          states.light.master_bedroom_front,
+          states.light.master_bedroom_side,
+          states.light.kallen_bedroom_light,
+          states.light.nursery_light
+        ] %}
+        {{ lights | selectattr('state','eq','on') | list | count }}
 
 - platform: uptime
   name: Last Boot