diff --git a/homeassistant/components/plugwise/binary_sensor.py b/homeassistant/components/plugwise/binary_sensor.py
index 1fd40691506..bf72d9edc31 100644
--- a/homeassistant/components/plugwise/binary_sensor.py
+++ b/homeassistant/components/plugwise/binary_sensor.py
@@ -36,7 +36,7 @@ async def async_setup_entry(
     api = hass.data[DOMAIN][config_entry.entry_id]["api"]
     coordinator = hass.data[DOMAIN][config_entry.entry_id][COORDINATOR]
 
-    entities = []
+    entities: list[BinarySensorEntity] = []
     is_thermostat = api.single_master_thermostat()
 
     all_devices = api.get_all_devices()
diff --git a/homeassistant/components/plugwise/gateway.py b/homeassistant/components/plugwise/gateway.py
index 8cf007ca82c..af4472ac7ae 100644
--- a/homeassistant/components/plugwise/gateway.py
+++ b/homeassistant/components/plugwise/gateway.py
@@ -36,6 +36,7 @@ from homeassistant.helpers.update_coordinator import (
 )
 
 from .const import (
+    API,
     COORDINATOR,
     DEFAULT_PORT,
     DEFAULT_SCAN_INTERVAL,
@@ -147,9 +148,12 @@ async def async_setup_entry_gw(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 async def _update_listener(hass: HomeAssistant, entry: ConfigEntry):
     """Handle options update."""
     coordinator = hass.data[DOMAIN][entry.entry_id][COORDINATOR]
-    coordinator.update_interval = timedelta(
-        seconds=entry.options.get(CONF_SCAN_INTERVAL)
-    )
+    update_interval = entry.options.get(CONF_SCAN_INTERVAL)
+    if update_interval is None:
+        api = hass.data[DOMAIN][entry.entry_id][API]
+        update_interval = DEFAULT_SCAN_INTERVAL[api.smile_type]
+
+    coordinator.update_interval = timedelta(seconds=update_interval)
 
 
 async def async_unload_entry_gw(hass: HomeAssistant, entry: ConfigEntry):
diff --git a/homeassistant/components/plugwise/sensor.py b/homeassistant/components/plugwise/sensor.py
index 436f5384362..9307cb3f98f 100644
--- a/homeassistant/components/plugwise/sensor.py
+++ b/homeassistant/components/plugwise/sensor.py
@@ -61,7 +61,7 @@ ATTR_PRESSURE = [
     SensorStateClass.MEASUREMENT,
 ]
 
-TEMP_SENSOR_MAP = {
+TEMP_SENSOR_MAP: dict[str, list] = {
     "setpoint": ATTR_TEMPERATURE,
     "temperature": ATTR_TEMPERATURE,
     "intended_boiler_temperature": ATTR_TEMPERATURE,
@@ -71,7 +71,7 @@ TEMP_SENSOR_MAP = {
     "return_temperature": ATTR_TEMPERATURE,
 }
 
-ENERGY_SENSOR_MAP = {
+ENERGY_SENSOR_MAP: dict[str, list] = {
     "electricity_consumed": [
         "Current Consumed Power",
         POWER_WATT,
@@ -194,7 +194,7 @@ ENERGY_SENSOR_MAP = {
     ],
 }
 
-MISC_SENSOR_MAP = {
+MISC_SENSOR_MAP: dict[str, list] = {
     "battery": ATTR_BATTERY_LEVEL,
     "illuminance": ATTR_ILLUMINANCE,
     "modulation_level": [
@@ -234,7 +234,7 @@ async def async_setup_entry(
     api = hass.data[DOMAIN][config_entry.entry_id]["api"]
     coordinator = hass.data[DOMAIN][config_entry.entry_id][COORDINATOR]
 
-    entities = []
+    entities: list[SmileSensor] = []
     all_devices = api.get_all_devices()
     single_thermostat = api.single_master_thermostat()
     for dev_id, device_properties in all_devices.items():
diff --git a/mypy.ini b/mypy.ini
index 4349373afca..e0edd5c006c 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2158,9 +2158,6 @@ ignore_errors = true
 [mypy-homeassistant.components.plex.*]
 ignore_errors = true
 
-[mypy-homeassistant.components.plugwise.*]
-ignore_errors = true
-
 [mypy-homeassistant.components.profiler.*]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 9a965ae63cd..3e7b252310c 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -61,7 +61,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.ozw.*",
     "homeassistant.components.philips_js.*",
     "homeassistant.components.plex.*",
-    "homeassistant.components.plugwise.*",
     "homeassistant.components.profiler.*",
     "homeassistant.components.ring.*",
     "homeassistant.components.solaredge.*",