diff --git a/homeassistant/components/plugwise/quality_scale.yaml b/homeassistant/components/plugwise/quality_scale.yaml
index b2801319e91..ea5cb61bc14 100644
--- a/homeassistant/components/plugwise/quality_scale.yaml
+++ b/homeassistant/components/plugwise/quality_scale.yaml
@@ -2,12 +2,8 @@ rules:
   ## Bronze
   config-flow: done
   test-before-configure: done
-  unique-config-entry:
-    status: todo
-    comment: Add tests preventing second entry for same device
-  config-flow-test-coverage:
-    status: todo
-    comment: Cover test_form and zeroconf
+  unique-config-entry: done
+  config-flow-test-coverage: done
   runtime-data: done
   test-before-setup: done
   appropriate-polling: done
diff --git a/tests/components/plugwise/test_config_flow.py b/tests/components/plugwise/test_config_flow.py
index baf6edea9c7..9e1e29f4a48 100644
--- a/tests/components/plugwise/test_config_flow.py
+++ b/tests/components/plugwise/test_config_flow.py
@@ -35,6 +35,7 @@ TEST_PASSWORD = "test_password"
 TEST_PORT = 81
 TEST_USERNAME = "smile"
 TEST_USERNAME2 = "stretch"
+MOCK_SMILE_ID = "smile12345"
 
 TEST_DISCOVERY = ZeroconfServiceInfo(
     ip_address=ip_address(TEST_HOST),
@@ -128,6 +129,8 @@ async def test_form(
     assert len(mock_setup_entry.mock_calls) == 1
     assert len(mock_smile_config_flow.connect.mock_calls) == 1
 
+    assert result2["result"].unique_id == MOCK_SMILE_ID
+
 
 @pytest.mark.parametrize(
     ("discovery", "username"),
@@ -172,6 +175,8 @@ async def test_zeroconf_flow(
     assert len(mock_setup_entry.mock_calls) == 1
     assert len(mock_smile_config_flow.connect.mock_calls) == 1
 
+    assert result2["result"].unique_id == MOCK_SMILE_ID
+
 
 async def test_zeroconf_flow_stretch(
     hass: HomeAssistant,
@@ -311,6 +316,69 @@ async def test_flow_errors(
     assert len(mock_smile_config_flow.connect.mock_calls) == 2
 
 
+async def test_user_abort_existing_anna(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_smile_config_flow: MagicMock,
+) -> None:
+    """Test the full user configuration flow."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title=CONF_NAME,
+        data={
+            CONF_HOST: TEST_HOST,
+            CONF_USERNAME: TEST_USERNAME,
+            CONF_PASSWORD: TEST_PASSWORD,
+        },
+        unique_id=MOCK_SMILE_ID,
+    )
+    entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={CONF_SOURCE: SOURCE_USER}
+    )
+
+    result2 = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={
+            CONF_HOST: TEST_HOST,
+            CONF_PASSWORD: TEST_PASSWORD,
+        },
+    )
+    await hass.async_block_till_done()
+
+    assert result2.get("type") is FlowResultType.ABORT
+    assert result2.get("reason") == "already_configured"
+
+
+async def test_zeroconf_abort_existing_anna(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_smile_config_flow: MagicMock,
+) -> None:
+    """Test the full user configuration flow."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title=CONF_NAME,
+        data={
+            CONF_HOST: TEST_HOST,
+            CONF_USERNAME: TEST_USERNAME,
+            CONF_PASSWORD: TEST_PASSWORD,
+        },
+        unique_id=TEST_HOSTNAME,
+    )
+    entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={CONF_SOURCE: SOURCE_ZEROCONF},
+        data=TEST_DISCOVERY_ANNA,
+    )
+
+    assert result.get("type") is FlowResultType.ABORT
+    assert result.get("reason") == "already_configured"
+
+
 async def test_zeroconf_abort_anna_with_existing_config_entries(
     hass: HomeAssistant,
     mock_smile_adam: MagicMock,