diff --git a/homeassistant/components/plugwise/select.py b/homeassistant/components/plugwise/select.py
index c45d47004b8..b78fd689cb9 100644
--- a/homeassistant/components/plugwise/select.py
+++ b/homeassistant/components/plugwise/select.py
@@ -5,7 +5,7 @@ from collections.abc import Awaitable, Callable
 from dataclasses import dataclass
 from typing import Any
 
-from plugwise import Smile
+from plugwise import DeviceData, Smile
 
 from homeassistant.components.select import SelectEntity, SelectEntityDescription
 from homeassistant.config_entries import ConfigEntry
@@ -23,8 +23,8 @@ class PlugwiseSelectDescriptionMixin:
     """Mixin values for Plugwise Select entities."""
 
     command: Callable[[Smile, str, str], Awaitable[Any]]
-    current_option_key: str
-    options_key: str
+    value_fn: Callable[[DeviceData], str]
+    options_fn: Callable[[DeviceData], list[str]]
 
 
 @dataclass
@@ -40,8 +40,8 @@ SELECT_TYPES = (
         translation_key="select_schedule",
         icon="mdi:calendar-clock",
         command=lambda api, loc, opt: api.set_schedule_state(loc, opt, STATE_ON),
-        current_option_key="selected_schedule",
-        options_key="available_schedules",
+        value_fn=lambda data: data["selected_schedule"],
+        options_fn=lambda data: data.get("available_schedules"),
     ),
     PlugwiseSelectEntityDescription(
         key="select_regulation_mode",
@@ -49,8 +49,8 @@ SELECT_TYPES = (
         icon="mdi:hvac",
         entity_category=EntityCategory.CONFIG,
         command=lambda api, loc, opt: api.set_regulation_mode(opt),
-        current_option_key="regulation_mode",
-        options_key="regulation_modes",
+        value_fn=lambda data: data["regulation_mode"],
+        options_fn=lambda data: data.get("regulation_modes"),
     ),
     PlugwiseSelectEntityDescription(
         key="select_dhw_mode",
@@ -58,8 +58,8 @@ SELECT_TYPES = (
         icon="mdi:shower",
         entity_category=EntityCategory.CONFIG,
         command=lambda api, loc, opt: api.set_dhw_mode(opt),
-        current_option_key="dhw_mode",
-        options_key="dhw_modes",
+        value_fn=lambda data: data["dhw_mode"],
+        options_fn=lambda data: data.get("dhw_modes"),
     ),
 )
 
@@ -77,10 +77,7 @@ async def async_setup_entry(
     entities: list[PlugwiseSelectEntity] = []
     for device_id, device in coordinator.data.devices.items():
         for description in SELECT_TYPES:
-            if (
-                description.options_key in device
-                and len(device[description.options_key]) > 1
-            ):
+            if (options := description.options_fn(device)) and len(options) > 1:
                 entities.append(
                     PlugwiseSelectEntity(coordinator, device_id, description)
                 )
@@ -107,12 +104,12 @@ class PlugwiseSelectEntity(PlugwiseEntity, SelectEntity):
     @property
     def current_option(self) -> str:
         """Return the selected entity option to represent the entity state."""
-        return self.device[self.entity_description.current_option_key]
+        return self.entity_description.value_fn(self.device)
 
     @property
     def options(self) -> list[str]:
         """Return the selectable entity options."""
-        return self.device[self.entity_description.options_key]
+        return self.entity_description.options_fn(self.device)
 
     async def async_select_option(self, option: str) -> None:
         """Change to the selected entity option."""