diff --git a/source/_integrations/osoenergy.markdown b/source/_integrations/osoenergy.markdown
index b988c3f4ca4..e307b4832b0 100644
--- a/source/_integrations/osoenergy.markdown
+++ b/source/_integrations/osoenergy.markdown
@@ -3,6 +3,7 @@ title: OSO Energy
 description: Instructions on how to integrate OSO Energy devices with Home Assistant.
 ha_release: '2024.1'
 ha_category:
+  - Binary sensor
   - Sensor
   - Water Heater
 ha_iot_class: Cloud Polling
@@ -10,6 +11,7 @@ ha_codeowners:
   - '@osohotwateriot'
 ha_domain: osoenergy
 ha_platforms:
+  - binary_sensor
   - sensor
   - water_heater
 ha_config_flow: true
@@ -22,6 +24,16 @@ This OSO Energy integration uses a subscription key, which a user can create for
 
 {% include integrations/config_flow.md %}
 
+## Binary sensors
+
+The **OSO Energy** integration exposes OSO Energy data as a binary sensor. It provides the following binary sensors:
+
+- Extra energy
+  - Indication if the water heater is currently in an extra energy/high demand state.
+- Power save
+  - Indication if the water heater is currently in a power save/sleep mode state.
+- Heating
+  - Indication if the water heater is currently heating the water.
 
 ## Sensors