From 42a29863156aa3d558fc929187d88dffe36707fe Mon Sep 17 00:00:00 2001
From: Michael Arthur <mikey0000@users.noreply.github.com>
Date: Fri, 14 Aug 2026 23:32:51 +1200
Subject: [PATCH] Electric Kiwi: bugfix connections empty not checked (#179119)

---
 .../components/electric_kiwi/sensor.py        |  4 +--
 .../account_summary_no_connections.json       | 34 +++++++++++++++++++
 tests/components/electric_kiwi/test_sensor.py | 28 +++++++++++++--
 3 files changed, 62 insertions(+), 4 deletions(-)
 create mode 100644 tests/components/electric_kiwi/fixtures/account_summary_no_connections.json

diff --git a/homeassistant/components/electric_kiwi/sensor.py b/homeassistant/components/electric_kiwi/sensor.py
index e8cad1c284b2..bac4d8487edc 100644
--- a/homeassistant/components/electric_kiwi/sensor.py
+++ b/homeassistant/components/electric_kiwi/sensor.py
@@ -46,8 +46,8 @@ class ElectricKiwiAccountSensorEntityDescription(SensorEntityDescription):
 def _get_hop_percentage(account_balance: AccountSummary) -> float:
     """Return the hop percentage from account summary."""
     if power := account_balance.services.get("power"):
-        if connection := power.connections[0]:
-            return float(connection.hop_percentage)
+        if connections := power.connections:
+            return float(connections[0].hop_percentage)
     return 0.0
 
 
diff --git a/tests/components/electric_kiwi/fixtures/account_summary_no_connections.json b/tests/components/electric_kiwi/fixtures/account_summary_no_connections.json
new file mode 100644
index 000000000000..a11ae1067dc3
--- /dev/null
+++ b/tests/components/electric_kiwi/fixtures/account_summary_no_connections.json
@@ -0,0 +1,34 @@
+{
+  "data": {
+    "type": "account_summary",
+    "total_running_balance": "184.09",
+    "total_account_balance": "-102.22",
+    "total_billing_days": 31,
+    "next_billing_date": "2025-02-19",
+    "service_names": [],
+    "services": {
+      "power": {
+        "connections": []
+      }
+    },
+    "date_to_pay": "",
+    "invoice_id": "",
+    "total_invoiced_charges": "",
+    "default_to_pay": "",
+    "invoice_exists": 1,
+    "display_date": "2025-01-19",
+    "last_billed_date": "2025-01-18",
+    "last_billed_amount": "-21.02",
+    "summary": {
+      "electricity_used": "12.98",
+      "other_charges": "0.00",
+      "payments": "0.00",
+      "credits": "0.00",
+      "mobile_charges": "0.00",
+      "broadband_charges": "0.00",
+      "addon_unbilled_charges": {}
+    },
+    "is_prepay": "N"
+  },
+  "status": 1
+}
diff --git a/tests/components/electric_kiwi/test_sensor.py b/tests/components/electric_kiwi/test_sensor.py
index 3e58b33a998e..600a27b4b2e4 100644
--- a/tests/components/electric_kiwi/test_sensor.py
+++ b/tests/components/electric_kiwi/test_sensor.py
@@ -4,10 +4,11 @@ from datetime import UTC, datetime
 from unittest.mock import AsyncMock, Mock
 import zoneinfo
 
+from electrickiwi_api.model import AccountSummary
 from freezegun import freeze_time
 import pytest
 
-from homeassistant.components.electric_kiwi.const import ATTRIBUTION
+from homeassistant.components.electric_kiwi.const import ATTRIBUTION, DOMAIN
 from homeassistant.components.electric_kiwi.sensor import _check_and_move_time
 from homeassistant.components.sensor import (
     ATTR_STATE_CLASS,
@@ -22,7 +23,7 @@ from homeassistant.util import dt as dt_util
 
 from . import init_integration
 
-from tests.common import MockConfigEntry
+from tests.common import MockConfigEntry, load_json_value_fixture
 
 DEFAULT_TIME_ZONE = dt_util.get_default_time_zone()
 TEST_TZ_NAME = "Pacific/Auckland"
@@ -130,6 +131,29 @@ async def test_account_sensors(
     assert state.attributes.get(ATTR_STATE_CLASS) == state_class
 
 
+async def test_hop_percentage_without_power_connections(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+    electrickiwi_api: AsyncMock,
+    ek_auth: AsyncMock,
+) -> None:
+    """Test the hour of power savings sensor when the account has no connections.
+
+    An account that migrated to another provider keeps returning account data,
+    but without any power connections, so the sensor falls back to 0.
+    """
+    electrickiwi_api.get_account_summary.return_value = AccountSummary.from_dict(
+        load_json_value_fixture("account_summary_no_connections.json", DOMAIN)
+    )
+
+    await init_integration(hass, config_entry)
+    assert config_entry.state is ConfigEntryState.LOADED
+
+    state = hass.states.get("sensor.hour_of_power_savings")
+    assert state
+    assert state.state == "0.0"
+
+
 async def test_check_and_move_time(electrickiwi_api: AsyncMock) -> None:
     """Test correct time is returned depending on time of day."""
     hop = await electrickiwi_api.get_hop()