From 774ab06206fbf003cbfe3893599d0b44172dbd97 Mon Sep 17 00:00:00 2001
From: NANI <andraz@korenc.eu>
Date: Thu, 23 Oct 2025 19:25:10 +0200
Subject: [PATCH] Add energy platform to Victron Remote Monitoring (#155046)

---
 .../victron_remote_monitoring/energy.py       | 21 +++++++++
 .../victron_remote_monitoring/test_energy.py  | 44 +++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 homeassistant/components/victron_remote_monitoring/energy.py
 create mode 100644 tests/components/victron_remote_monitoring/test_energy.py

diff --git a/homeassistant/components/victron_remote_monitoring/energy.py b/homeassistant/components/victron_remote_monitoring/energy.py
new file mode 100644
index 00000000000..b3209703115
--- /dev/null
+++ b/homeassistant/components/victron_remote_monitoring/energy.py
@@ -0,0 +1,21 @@
+"""Victron Remote Monitoring energy platform."""
+
+from __future__ import annotations
+
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+
+async def async_get_solar_forecast(
+    hass: HomeAssistant, config_entry_id: str
+) -> dict[str, dict[str, float | int]] | None:
+    """Get solar forecast for a config entry ID."""
+    if (
+        entry := hass.config_entries.async_get_entry(config_entry_id)
+    ) is None or entry.state != ConfigEntryState.LOADED:
+        return None
+    data = entry.runtime_data.data.solar
+    if data is None:
+        return None
+
+    return {"wh_hours": data.get_dict_isoformat}
diff --git a/tests/components/victron_remote_monitoring/test_energy.py b/tests/components/victron_remote_monitoring/test_energy.py
new file mode 100644
index 00000000000..0eab17cdece
--- /dev/null
+++ b/tests/components/victron_remote_monitoring/test_energy.py
@@ -0,0 +1,44 @@
+"""Test the Victron Remote Monitoring energy platform."""
+
+from homeassistant.components.victron_remote_monitoring import energy
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+async def test_energy_solar_forecast(
+    hass: HomeAssistant, init_integration: MockConfigEntry
+) -> None:
+    """Test fetching the solar forecast for the energy dashboard."""
+    config_entry = init_integration
+
+    assert config_entry.state is ConfigEntryState.LOADED
+
+    assert await energy.async_get_solar_forecast(hass, config_entry.entry_id) == {
+        "wh_hours": {
+            "2025-04-23T10:00:00+00:00": 5050.1,
+            "2025-04-23T11:00:00+00:00": 5000.2,
+            "2025-04-24T10:00:00+00:00": 2250.3,
+            "2025-04-24T11:00:00+00:00": 2000.4,
+            "2025-04-25T10:00:00+00:00": 1000.5,
+            "2025-04-25T11:00:00+00:00": 500.6,
+        }
+    }
+
+
+async def test_energy_missing_entry(hass: HomeAssistant) -> None:
+    """Return None when config entry cannot be found."""
+    assert await energy.async_get_solar_forecast(hass, "missing") is None
+
+
+async def test_energy_no_solar_data(
+    hass: HomeAssistant, init_integration: MockConfigEntry
+) -> None:
+    """Return None when the coordinator has no solar forecast data."""
+    config_entry = init_integration
+    assert config_entry.state is ConfigEntryState.LOADED
+
+    config_entry.runtime_data.data.solar = None
+
+    assert await energy.async_get_solar_forecast(hass, config_entry.entry_id) is None