diff --git a/wideq/refrigerator.py b/wideq/refrigerator.py
index c35fd0b..7dff39f 100644
--- a/wideq/refrigerator.py
+++ b/wideq/refrigerator.py
@@ -28,6 +28,9 @@ class SmartSavingMode(enum.Enum):
     OFF = "@CP_TERM_USE_NOT_W"
     NIGHT = "@RE_SMARTSAVING_MODE_NIGHT_W"
     CUSTOM = "@RE_SMARTSAVING_MODE_CUSTOM_W"
+    SMART_GRID_OFF = "@CP_OFF_EN_W"
+    SMART_GRID_DEMAND_RESPONSE = "@RE_TERM_DEMAND_RESPONSE_FUNCTIONALITY_W"
+    SMART_GRID_CUSTOM = "@RE_TERM_DELAY_DEFROST_CAPABILITY_W"
     EMPTY = ""