diff --git a/sensors/water.yaml b/sensors/water.yaml
new file mode 100644
index 0000000..4079166
--- /dev/null
+++ b/sensors/water.yaml
@@ -0,0 +1,10 @@
+- platform: scrape
+  resource: https://www.aarhusvand.dk/privat/priser/
+  select: "table tfoot td[align] strong"
+  index: 0
+  unit_of_measurement: "DKK/m³"
+  device_class: monetary
+  state_class: measurement
+  value_template: "{{ value | replace(',', '.') | float(0) }}"
+  name: Water Price
+  scan_interval: 604800
diff --git a/template/mikroovn.yaml b/template/mikroovn.yaml
index b52d8b7..5665021 100644
--- a/template/mikroovn.yaml
+++ b/template/mikroovn.yaml
@@ -2,9 +2,9 @@
     - name: Mikroovn Power Factor
       state: |
         {# Calculate power factor #}
-        {% set v = states.sensor.mikroovn_voltage.state | float %}
-        {% set a = states.sensor.mikroovn_current.state | float %}
-        {% set wp = states.sensor.mikroovn_power.state | float %}
+        {% set v = states.sensor.mikroovn_voltage.state | default(0) | float(0) %}
+        {% set a = states.sensor.mikroovn_current.state | default(0) | float(0) %}
+        {% set wp = states.sensor.mikroovn_power.state | default(0) | float(0) %}
         {% set ap = v * a %}
         {% if ap > 0 %}
           {% set pf = wp / ap * 100 %}