diff --git a/homeassistant/components/config/__init__.py b/homeassistant/components/config/__init__.py
index d71a00ce3bd..1f6dc2c2122 100644
--- a/homeassistant/components/config/__init__.py
+++ b/homeassistant/components/config/__init__.py
@@ -7,7 +7,7 @@ from homeassistant.const import EVENT_COMPONENT_LOADED
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.typing import ConfigType
-from homeassistant.setup import ATTR_COMPONENT
+from homeassistant.setup import EventComponentLoaded
 
 from . import (
     area_registry,
@@ -56,6 +56,8 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
         if panel.async_setup(hass):
             name = panel.__name__.split(".")[-1]
             key = f"{DOMAIN}.{name}"
-            hass.bus.async_fire(EVENT_COMPONENT_LOADED, {ATTR_COMPONENT: key})
+            hass.bus.async_fire(
+                EVENT_COMPONENT_LOADED, EventComponentLoaded(component=key)
+            )
 
     return True
diff --git a/homeassistant/components/homeassistant_alerts/__init__.py b/homeassistant/components/homeassistant_alerts/__init__.py
index 7d0a7c588dd..b0eefad053e 100644
--- a/homeassistant/components/homeassistant_alerts/__init__.py
+++ b/homeassistant/components/homeassistant_alerts/__init__.py
@@ -23,6 +23,7 @@ from homeassistant.helpers.issue_registry import (
 from homeassistant.helpers.start import async_at_start
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+from homeassistant.setup import EventComponentLoaded
 
 COMPONENT_LOADED_COOLDOWN = 30
 DOMAIN = "homeassistant_alerts"
@@ -99,7 +100,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
         )
 
         @callback
-        def _component_loaded(_: Event) -> None:
+        def _component_loaded(_: Event[EventComponentLoaded]) -> None:
             refresh_debouncer.async_schedule_call()
 
         await coordinator.async_refresh()
diff --git a/homeassistant/setup.py b/homeassistant/setup.py
index b1fc080a429..0516f78b198 100644
--- a/homeassistant/setup.py
+++ b/homeassistant/setup.py
@@ -455,7 +455,7 @@ async def _async_setup_component(  # noqa: C901
     if domain in hass.data[DATA_SETUP]:
         hass.data[DATA_SETUP].pop(domain)
 
-    hass.bus.async_fire(EVENT_COMPONENT_LOADED, {ATTR_COMPONENT: domain})
+    hass.bus.async_fire(EVENT_COMPONENT_LOADED, EventComponentLoaded(component=domain))
 
     return True