diff --git a/include/automations/opvaskemaskine.yaml b/include/automations/opvaskemaskine.yaml
new file mode 100644
index 0000000..36879ba
--- /dev/null
+++ b/include/automations/opvaskemaskine.yaml
@@ -0,0 +1,112 @@
+- id: dishwasher_plan_cheapest_night_run
+  alias: Opvaskemaskine - plan billigste natkørsel
+  mode: single
+
+  trigger:
+    - platform: state
+      entity_id: sensor.energi_data_service
+    - platform: time
+      at: "13:10:00"
+
+  variables:
+    best_start_ts: >
+      {% set raw = (state_attr('sensor.energi_data_service', 'raw_today') or []) + (state_attr('sensor.energi_data_service', 'raw_tomorrow') or []) %}
+      {% set ns = namespace(prices=[], candidates=[]) %}
+      {% set fallback_ts = as_timestamp(today_at('23:50')) | int %}
+      {% for item in raw %}
+        {% set dt_source = item.start if item.start is defined else item.hour if item.hour is defined else item.time if item.time is defined else none %}
+        {% if dt_source %}
+          {% if item.price is defined %}
+            {% set price = item.price | float(999) %}
+          {% elif item.value is defined %}
+            {% set price = item.value | float(999) %}
+          {% else %}
+            {% set price = 999 %}
+          {% endif %}
+          {% set ns.prices = ns.prices + [{'ts': as_timestamp(as_datetime(dt_source)) | int, 'price': price}] %}
+        {% endif %}
+      {% endfor %}
+      {% set tomorrow_midnight = (as_timestamp(today_at('00:00')) | int) + 86400 %}
+      {% set candidate_starts = [
+        as_timestamp(today_at('21:00')) | int,
+        as_timestamp(today_at('22:00')) | int,
+        as_timestamp(today_at('23:00')) | int,
+        tomorrow_midnight,
+        tomorrow_midnight + 3600,
+        tomorrow_midnight + 7200
+      ] %}
+      {% for base in candidate_starts %}
+        {% set total = namespace(value=0, missing=false) %}
+        {% for offset in range(4) %}
+          {% set target = base + (offset * 3600) %}
+          {% set match = ns.prices | selectattr('ts', 'eq', target) | list | first %}
+          {% if match %}
+            {% set total.value = total.value + (match.price | float(999)) %}
+          {% else %}
+            {% set total.missing = true %}
+          {% endif %}
+        {% endfor %}
+        {% if not total.missing %}
+          {% set ns.candidates = ns.candidates + [{'ts': base, 'total': total.value}] %}
+        {% endif %}
+      {% endfor %}
+      {% set sorted = ns.candidates | sort(attribute='total') %}
+      {{ (sorted | first).ts if (sorted | count) > 0 else fallback_ts }}
+
+  action:
+    - service: input_datetime.set_datetime
+      target:
+        entity_id: input_datetime.dishwasher_next_start
+      data:
+        timestamp: "{{ best_start_ts | int }}"
+
+- id: dishwasher_start_planned_night_run
+  alias: Opvaskemaskine - start planlagt natkørsel
+  mode: single
+
+  trigger:
+    - platform: time
+      at: input_datetime.dishwasher_next_start
+
+  condition:
+    - condition: template
+      value_template: "{{ is_state('sensor.dishwasher_status_2', 'Off') }}"
+
+  action:
+    - choose:
+        - conditions:
+            - condition: state
+              entity_id: binary_sensor.dishwasher_fjernbetjening
+              state: "on"
+          sequence:
+            - service: button.press
+              target:
+                entity_id: button.dishwasher_start
+      default:
+        - service: notify.mobile_app_clausiphone15
+          data:
+            title: "Opvaskemaskine venter på remote control"
+            message: "Planlagt natkørsel kunne ikke startes, fordi fjernbetjening ikke er slået til."
+
+- id: dishwasher_remote_control_hourly_reminder
+  alias: Opvaskemaskine - påmindelse om remote control
+  mode: single
+
+  trigger:
+    - platform: time_pattern
+      minutes: "0"
+
+  condition:
+    - condition: template
+      value_template: "{{ now().hour >= 16 and now().hour <= 21 }}"
+    - condition: state
+      entity_id: binary_sensor.dishwasher_fjernbetjening
+      state: "off"
+    - condition: template
+      value_template: "{{ is_state('sensor.dishwasher_status_2', 'Off') }}"
+
+  action:
+    - service: notify.mobile_app_clausiphone15
+      data:
+        title: "Slå fjernbetjening til på opvaskemaskinen"
+        message: "Opvaskemaskinen er planlagt til natkørsel, men remote control er ikke slået til endnu."
\ No newline at end of file
diff --git a/include/input/datetime/dishwasher.yaml b/include/input/datetime/dishwasher.yaml
new file mode 100644
index 0000000..d58e698
--- /dev/null
+++ b/include/input/datetime/dishwasher.yaml
@@ -0,0 +1,4 @@
+dishwasher_next_start:
+  name: Dishwasher Next Start
+  has_date: true
+  has_time: true
\ No newline at end of file