diff --git a/pyobs/interfaces/IMode.py b/pyobs/interfaces/IMode.py
index 5739e292..bded942a 100644
--- a/pyobs/interfaces/IMode.py
+++ b/pyobs/interfaces/IMode.py
@@ -9,21 +9,34 @@ class IMode(Interface, metaclass=ABCMeta):
 
     __module__ = "pyobs.interfaces"
 
+    async def list_mode_groups(self) -> List[str]:
+        """List names of mode groups that can be set. The index is used as the `group` parameter in the individual
+        methods.
+
+        Returns:
+            List of names of mode groups.
+        """
+        return []
+
     @abstractmethod
-    async def list_modes(self, **kwargs: Any) -> List[str]:
+    async def list_modes(self, group: int = 0, **kwargs: Any) -> List[str]:
         """List available modes.
 
+        Args:
+            group: Group number
+
         Returns:
             List of available modes.
         """
         ...
 
     @abstractmethod
-    async def set_mode(self, mode: str, **kwargs: Any) -> None:
+    async def set_mode(self, mode: str, group: int = 0, **kwargs: Any) -> None:
         """Set the current mode.
 
         Args:
             mode: Name of mode to set.
+            group: Group number
 
         Raises:
             ValueError: If an invalid mode was given.
@@ -32,9 +45,12 @@ async def set_mode(self, mode: str, **kwargs: Any) -> None:
         ...
 
     @abstractmethod
-    async def get_mode(self, **kwargs: Any) -> str:
+    async def get_mode(self, group: int = 0, **kwargs: Any) -> str:
         """Get currently set mode.
 
+        Args:
+            group: Group number
+
         Returns:
             Name of currently set mode.
         """
diff --git a/pyproject.toml b/pyproject.toml
index d3411096..8c9aa145 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "pyobs-core"
 packages = [{ include = "pyobs" }]
-version = "1.14.0"
+version = "1.15.0"
 description = "robotic telescope software"
 authors = ["Tim-Oliver Husser <thusser@uni-goettingen.de>"]
 license = "MIT"