diff --git a/homeassistant/components/sun/sensor.py b/homeassistant/components/sun/sensor.py
index a042adb9b83..9c219d78efc 100644
--- a/homeassistant/components/sun/sensor.py
+++ b/homeassistant/components/sun/sensor.py
@@ -18,6 +18,11 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+from homeassistant.helpers.issue_registry import (
+    IssueSeverity,
+    async_create_issue,
+    async_delete_issue,
+)
 from homeassistant.helpers.typing import StateType
 
 from .const import DOMAIN, SIGNAL_EVENTS_CHANGED, SIGNAL_POSITION_CHANGED
@@ -149,6 +154,21 @@ class SunSensor(SensorEntity):
     async def async_added_to_hass(self) -> None:
         """Register signal listener when added to hass."""
         await super().async_added_to_hass()
+
+        if self.entity_description.key == "solar_rising":
+            async_create_issue(
+                self.hass,
+                DOMAIN,
+                "deprecated_sun_solar_rising",
+                breaks_in_ha_version="2026.1.0",
+                is_fixable=False,
+                severity=IssueSeverity.WARNING,
+                translation_key="deprecated_sun_solar_rising",
+                translation_placeholders={
+                    "entity": self.entity_id,
+                },
+            )
+
         self.async_on_remove(
             async_dispatcher_connect(
                 self.hass,
@@ -156,3 +176,9 @@ class SunSensor(SensorEntity):
                 self.async_write_ha_state,
             )
         )
+
+    async def async_will_remove_from_hass(self) -> None:
+        """Call when entity will be removed from hass."""
+        await super().async_will_remove_from_hass()
+        if self.entity_description.key == "solar_rising":
+            async_delete_issue(self.hass, DOMAIN, "deprecated_sun_solar_rising")
diff --git a/homeassistant/components/sun/strings.json b/homeassistant/components/sun/strings.json
index 14f612b7b50..e703e58e942 100644
--- a/homeassistant/components/sun/strings.json
+++ b/homeassistant/components/sun/strings.json
@@ -37,5 +37,11 @@
         }
       }
     }
+  },
+  "issues": {
+    "deprecated_sun_solar_rising": {
+      "title": "Deprecated 'Solar rising' sensor",
+      "description": "The 'Solar rising' sensor of the Sun integration is being deprecated; an equivalent 'Solar rising' binary sensor has been made available as a replacement. To resolve this issue, disable {entity}."
+    }
   }
 }
diff --git a/tests/components/sun/test_sensor.py b/tests/components/sun/test_sensor.py
index 59e4e4c700b..95f4364f775 100644
--- a/tests/components/sun/test_sensor.py
+++ b/tests/components/sun/test_sensor.py
@@ -8,12 +8,15 @@ from freezegun.api import FrozenDateTimeFactory
 import pytest
 
 from homeassistant.components import sun
+from homeassistant.config_entries import RELOAD_AFTER_UPDATE_DELAY
 from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers import entity_registry as er, issue_registry as ir
 from homeassistant.setup import async_setup_component
 from homeassistant.util import dt as dt_util
 
+from tests.common import async_fire_time_changed
+
 
 @pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_setting_rising(
@@ -179,3 +182,46 @@ async def test_setting_rising(
     assert entity
     assert entity.entity_category is EntityCategory.DIAGNOSTIC
     assert entity.unique_id == f"{entry_ids[0].entry_id}-solar_rising"
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+async def test_deprecation(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    issue_registry: ir.IssueRegistry,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test sensor.sun_solar_rising deprecation."""
+    utc_now = datetime(2016, 11, 1, 8, 0, 0, tzinfo=dt_util.UTC)
+    freezer.move_to(utc_now)
+    await async_setup_component(hass, sun.DOMAIN, {sun.DOMAIN: {}})
+    await hass.async_block_till_done()
+
+    assert issue_registry.async_get_issue(
+        domain="sun",
+        issue_id="deprecated_sun_solar_rising",
+    )
+    assert len(issue_registry.issues) == 1
+
+    entity_registry.async_update_entity(
+        "sensor.sun_solar_rising", disabled_by=er.RegistryEntryDisabler.USER
+    )
+    await hass.async_block_till_done()
+
+    assert not issue_registry.async_get_issue(
+        domain="sun",
+        issue_id="deprecated_sun_solar_rising",
+    )
+    assert len(issue_registry.issues) == 0
+
+    entity_registry.async_update_entity("sensor.sun_solar_rising", disabled_by=None)
+    await hass.async_block_till_done()
+    freezer.tick(delta=RELOAD_AFTER_UPDATE_DELAY)
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    assert issue_registry.async_get_issue(
+        domain="sun",
+        issue_id="deprecated_sun_solar_rising",
+    )
+    assert len(issue_registry.issues) == 1