diff --git a/homeassistant/components/rainforest_eagle/diagnostics.py b/homeassistant/components/rainforest_eagle/diagnostics.py
new file mode 100644
index 00000000000..a7022048369
--- /dev/null
+++ b/homeassistant/components/rainforest_eagle/diagnostics.py
@@ -0,0 +1,23 @@
+"""Diagnostics support for Eagle."""
+from __future__ import annotations
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import CONF_CLOUD_ID, CONF_INSTALL_CODE, DOMAIN
+from .data import EagleDataCoordinator
+
+TO_REDACT = {CONF_CLOUD_ID, CONF_INSTALL_CODE}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> dict:
+    """Return diagnostics for a config entry."""
+    coordinator: EagleDataCoordinator = hass.data[DOMAIN][config_entry.entry_id]
+
+    return {
+        "config_entry": async_redact_data(config_entry.as_dict(), TO_REDACT),
+        "data": coordinator.data,
+    }
diff --git a/tests/components/rainforest_eagle/__init__.py b/tests/components/rainforest_eagle/__init__.py
index df4f1749d49..3d0a51e8452 100644
--- a/tests/components/rainforest_eagle/__init__.py
+++ b/tests/components/rainforest_eagle/__init__.py
@@ -1 +1,36 @@
 """Tests for the Rainforest Eagle integration."""
+
+
+MOCK_CLOUD_ID = "12345"
+MOCK_200_RESPONSE_WITH_PRICE = {
+    "zigbee:InstantaneousDemand": {
+        "Name": "zigbee:InstantaneousDemand",
+        "Value": "1.152000",
+    },
+    "zigbee:CurrentSummationDelivered": {
+        "Name": "zigbee:CurrentSummationDelivered",
+        "Value": "45251.285000",
+    },
+    "zigbee:CurrentSummationReceived": {
+        "Name": "zigbee:CurrentSummationReceived",
+        "Value": "232.232000",
+    },
+    "zigbee:Price": {"Name": "zigbee:Price", "Value": "0.053990"},
+    "zigbee:PriceCurrency": {"Name": "zigbee:PriceCurrency", "Value": "USD"},
+}
+MOCK_200_RESPONSE_WITHOUT_PRICE = {
+    "zigbee:InstantaneousDemand": {
+        "Name": "zigbee:InstantaneousDemand",
+        "Value": "1.152000",
+    },
+    "zigbee:CurrentSummationDelivered": {
+        "Name": "zigbee:CurrentSummationDelivered",
+        "Value": "45251.285000",
+    },
+    "zigbee:CurrentSummationReceived": {
+        "Name": "zigbee:CurrentSummationReceived",
+        "Value": "232.232000",
+    },
+    "zigbee:Price": {"Name": "zigbee:Price", "Value": "invalid"},
+    "zigbee:PriceCurrency": {"Name": "zigbee:PriceCurrency", "Value": "USD"},
+}
diff --git a/tests/components/rainforest_eagle/conftest.py b/tests/components/rainforest_eagle/conftest.py
new file mode 100644
index 00000000000..d3a8687f724
--- /dev/null
+++ b/tests/components/rainforest_eagle/conftest.py
@@ -0,0 +1,85 @@
+"""Conftest for rainforest_eagle."""
+from unittest.mock import AsyncMock, Mock, patch
+
+import pytest
+
+from homeassistant.components.rainforest_eagle.const import (
+    CONF_CLOUD_ID,
+    CONF_HARDWARE_ADDRESS,
+    CONF_INSTALL_CODE,
+    DOMAIN,
+    TYPE_EAGLE_100,
+    TYPE_EAGLE_200,
+)
+from homeassistant.const import CONF_HOST, CONF_TYPE
+from homeassistant.setup import async_setup_component
+
+from . import MOCK_200_RESPONSE_WITHOUT_PRICE, MOCK_CLOUD_ID
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture
+def config_entry_200(hass):
+    """Return a config entry."""
+    entry = MockConfigEntry(
+        domain="rainforest_eagle",
+        data={
+            CONF_CLOUD_ID: MOCK_CLOUD_ID,
+            CONF_HOST: "192.168.1.55",
+            CONF_INSTALL_CODE: "abcdefgh",
+            CONF_HARDWARE_ADDRESS: "mock-hw-address",
+            CONF_TYPE: TYPE_EAGLE_200,
+        },
+    )
+    entry.add_to_hass(hass)
+    return entry
+
+
+@pytest.fixture
+async def setup_rainforest_200(hass, config_entry_200):
+    """Set up rainforest."""
+    with patch(
+        "aioeagle.ElectricMeter.create_instance",
+        return_value=Mock(
+            get_device_query=AsyncMock(return_value=MOCK_200_RESPONSE_WITHOUT_PRICE)
+        ),
+    ) as mock_update:
+        mock_update.return_value.is_connected = True
+        assert await async_setup_component(hass, DOMAIN, {})
+        await hass.async_block_till_done()
+        yield mock_update.return_value
+
+
+@pytest.fixture
+async def setup_rainforest_100(hass):
+    """Set up rainforest."""
+    MockConfigEntry(
+        domain="rainforest_eagle",
+        data={
+            CONF_CLOUD_ID: MOCK_CLOUD_ID,
+            CONF_HOST: "192.168.1.55",
+            CONF_INSTALL_CODE: "abcdefgh",
+            CONF_HARDWARE_ADDRESS: None,
+            CONF_TYPE: TYPE_EAGLE_100,
+        },
+    ).add_to_hass(hass)
+    with patch(
+        "homeassistant.components.rainforest_eagle.data.Eagle100Reader",
+        return_value=Mock(
+            get_instantaneous_demand=Mock(
+                return_value={"InstantaneousDemand": {"Demand": "1.152000"}}
+            ),
+            get_current_summation=Mock(
+                return_value={
+                    "CurrentSummation": {
+                        "SummationDelivered": "45251.285000",
+                        "SummationReceived": "232.232000",
+                    }
+                }
+            ),
+        ),
+    ) as mock_update:
+        assert await async_setup_component(hass, DOMAIN, {})
+        await hass.async_block_till_done()
+        yield mock_update
diff --git a/tests/components/rainforest_eagle/test_diagnostics.py b/tests/components/rainforest_eagle/test_diagnostics.py
new file mode 100644
index 00000000000..bffdccedcc0
--- /dev/null
+++ b/tests/components/rainforest_eagle/test_diagnostics.py
@@ -0,0 +1,29 @@
+"""Test the Rainforest Eagle diagnostics."""
+from homeassistant.components.diagnostics import REDACTED
+from homeassistant.components.rainforest_eagle.const import (
+    CONF_CLOUD_ID,
+    CONF_INSTALL_CODE,
+)
+
+from . import MOCK_200_RESPONSE_WITHOUT_PRICE
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+
+
+async def test_entry_diagnostics(
+    hass, hass_client, setup_rainforest_200, config_entry_200
+):
+    """Test config entry diagnostics."""
+    result = await get_diagnostics_for_config_entry(hass, hass_client, config_entry_200)
+
+    config_entry_dict = config_entry_200.as_dict()
+    config_entry_dict["data"][CONF_INSTALL_CODE] = REDACTED
+    config_entry_dict["data"][CONF_CLOUD_ID] = REDACTED
+
+    assert result == {
+        "config_entry": config_entry_dict,
+        "data": {
+            var["Name"]: var["Value"]
+            for var in MOCK_200_RESPONSE_WITHOUT_PRICE.values()
+        },
+    }
diff --git a/tests/components/rainforest_eagle/test_sensor.py b/tests/components/rainforest_eagle/test_sensor.py
index e895f2ac4fc..eaa392b93c3 100644
--- a/tests/components/rainforest_eagle/test_sensor.py
+++ b/tests/components/rainforest_eagle/test_sensor.py
@@ -1,113 +1,7 @@
 """Tests for rainforest eagle sensors."""
-from unittest.mock import AsyncMock, Mock, patch
+from homeassistant.components.rainforest_eagle.const import DOMAIN
 
-import pytest
-
-from homeassistant.components.rainforest_eagle.const import (
-    CONF_CLOUD_ID,
-    CONF_HARDWARE_ADDRESS,
-    CONF_INSTALL_CODE,
-    DOMAIN,
-    TYPE_EAGLE_100,
-    TYPE_EAGLE_200,
-)
-from homeassistant.const import CONF_HOST, CONF_TYPE
-from homeassistant.setup import async_setup_component
-
-from tests.common import MockConfigEntry
-
-MOCK_CLOUD_ID = "12345"
-MOCK_200_RESPONSE_WITH_PRICE = {
-    "zigbee:InstantaneousDemand": {
-        "Name": "zigbee:InstantaneousDemand",
-        "Value": "1.152000",
-    },
-    "zigbee:CurrentSummationDelivered": {
-        "Name": "zigbee:CurrentSummationDelivered",
-        "Value": "45251.285000",
-    },
-    "zigbee:CurrentSummationReceived": {
-        "Name": "zigbee:CurrentSummationReceived",
-        "Value": "232.232000",
-    },
-    "zigbee:Price": {"Name": "zigbee:Price", "Value": "0.053990"},
-    "zigbee:PriceCurrency": {"Name": "zigbee:PriceCurrency", "Value": "USD"},
-}
-MOCK_200_RESPONSE_WITHOUT_PRICE = {
-    "zigbee:InstantaneousDemand": {
-        "Name": "zigbee:InstantaneousDemand",
-        "Value": "1.152000",
-    },
-    "zigbee:CurrentSummationDelivered": {
-        "Name": "zigbee:CurrentSummationDelivered",
-        "Value": "45251.285000",
-    },
-    "zigbee:CurrentSummationReceived": {
-        "Name": "zigbee:CurrentSummationReceived",
-        "Value": "232.232000",
-    },
-    "zigbee:Price": {"Name": "zigbee:Price", "Value": "invalid"},
-    "zigbee:PriceCurrency": {"Name": "zigbee:PriceCurrency", "Value": "USD"},
-}
-
-
-@pytest.fixture
-async def setup_rainforest_200(hass):
-    """Set up rainforest."""
-    MockConfigEntry(
-        domain="rainforest_eagle",
-        data={
-            CONF_CLOUD_ID: MOCK_CLOUD_ID,
-            CONF_HOST: "192.168.1.55",
-            CONF_INSTALL_CODE: "abcdefgh",
-            CONF_HARDWARE_ADDRESS: "mock-hw-address",
-            CONF_TYPE: TYPE_EAGLE_200,
-        },
-    ).add_to_hass(hass)
-    with patch(
-        "aioeagle.ElectricMeter.create_instance",
-        return_value=Mock(
-            get_device_query=AsyncMock(return_value=MOCK_200_RESPONSE_WITHOUT_PRICE)
-        ),
-    ) as mock_update:
-        mock_update.return_value.is_connected = True
-        assert await async_setup_component(hass, DOMAIN, {})
-        await hass.async_block_till_done()
-        yield mock_update.return_value
-
-
-@pytest.fixture
-async def setup_rainforest_100(hass):
-    """Set up rainforest."""
-    MockConfigEntry(
-        domain="rainforest_eagle",
-        data={
-            CONF_CLOUD_ID: MOCK_CLOUD_ID,
-            CONF_HOST: "192.168.1.55",
-            CONF_INSTALL_CODE: "abcdefgh",
-            CONF_HARDWARE_ADDRESS: None,
-            CONF_TYPE: TYPE_EAGLE_100,
-        },
-    ).add_to_hass(hass)
-    with patch(
-        "homeassistant.components.rainforest_eagle.data.Eagle100Reader",
-        return_value=Mock(
-            get_instantaneous_demand=Mock(
-                return_value={"InstantaneousDemand": {"Demand": "1.152000"}}
-            ),
-            get_current_summation=Mock(
-                return_value={
-                    "CurrentSummation": {
-                        "SummationDelivered": "45251.285000",
-                        "SummationReceived": "232.232000",
-                    }
-                }
-            ),
-        ),
-    ) as mock_update:
-        assert await async_setup_component(hass, DOMAIN, {})
-        await hass.async_block_till_done()
-        yield mock_update
+from . import MOCK_200_RESPONSE_WITH_PRICE
 
 
 async def test_sensors_200(hass, setup_rainforest_200):