hass.tibber_prices/docs/user/sensors.md
Julian Pawlowski ef983d0a99 feat(sensor): migrate chart_data_export from binary_sensor to sensor platform
Migrated chart_data_export from binary_sensor to sensor to enable
compatibility with dashboard integrations (ApexCharts, etc.) that
require sensor entities for data selection.

Changes:
- Moved chart_data_export from binary_sensor/ to sensor/ platform
- Changed from boolean state (ON/OFF) to ENUM states ("pending", "ready", "error")
- Maintained all functionality: service call, attribute structure, caching
- Updated translations in all 5 languages (de, en, nb, nl, sv)
- Updated user documentation (sensors.md, services.md)
- Removed all chart_data_export code from binary_sensor platform

Technical details:
- State: "pending" (before first call), "ready" (data available), "error" (service failed)
- Attributes: timestamp + error (metadata) → descriptions → service response data
- Cache (_chart_data_response) bridges async service call and sync property access
- Service call: Triggered on async_added_to_hass() and async_update()

Impact: Dashboard integrations can now select chart_data_export sensor
in their entity pickers. No breaking changes for existing users - entity ID
changes from binary_sensor.* to sensor.*, but functionality identical.
2025-11-17 04:11:10 +00:00

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Markdown

# Sensors
> **Note:** This guide is under construction. For now, please refer to the [main README](../../README.md) for available sensors.
> **Tip:** Many sensors have dynamic icons and colors! See the **[Dynamic Icons Guide](dynamic-icons.md)** and **[Dynamic Icon Colors Guide](icon-colors.md)** to enhance your dashboards.
## Binary Sensors
### Best Price Period & Peak Price Period
These binary sensors indicate when you're in a detected best or peak price period. See the **[Period Calculation Guide](period-calculation.md)** for a detailed explanation of how these periods are calculated and configured.
**Quick overview:**
- **Best Price Period**: Turns ON during periods with significantly lower prices than the daily average
- **Peak Price Period**: Turns ON during periods with significantly higher prices than the daily average
Both sensors include rich attributes with period details, intervals, relaxation status, and more.
## Core Price Sensors
Coming soon...
## Statistical Sensors
Coming soon...
## Rating Sensors
Coming soon...
## Diagnostic Sensors
### Chart Data Export
**Entity ID:** `sensor.tibber_home_NAME_chart_data_export`
**Default State:** Disabled (must be manually enabled)
> **⚠️ Legacy Feature**: This sensor is maintained for backward compatibility. For new integrations, use the **`tibber_prices.get_chartdata`** service instead, which offers more flexibility and better performance.
This diagnostic sensor provides cached chart-friendly price data that can be consumed by chart cards (ApexCharts, custom cards, etc.).
**Key Features:**
- **Configurable via Options Flow**: Service parameters can be configured through the integration's options menu (Step 7 of 7)
- **Automatic Updates**: Data refreshes on coordinator updates (every 15 minutes)
- **Attribute-Based Output**: Chart data is stored in sensor attributes for easy access
- **State Indicator**: Shows `pending` (before first call), `ready` (data available), or `error` (service call failed)
**Important Notes:**
- ⚠️ Disabled by default - must be manually enabled in entity settings
- ⚠️ Consider using the service instead for better control and flexibility
- ⚠️ Configuration updates require HA restart
**Attributes:**
The sensor exposes chart data with metadata in attributes:
- **`timestamp`**: When the data was last fetched
- **`error`**: Error message if service call failed
- **`data`** (or custom name): Array of price data points in configured format
**Configuration:**
To configure the sensor's output format:
1. Go to **Settings → Devices & Services → Tibber Prices**
2. Click **Configure** on your Tibber home
3. Navigate through the options wizard to **Step 7: Chart Data Export Settings**
4. Configure output format, filters, field names, and other options
5. Save and restart Home Assistant
**Available Settings:**
See the `tibber_prices.get_chartdata` service documentation below for a complete list of available parameters. All service parameters can be configured through the options flow.
**Example Usage:**
```yaml
# ApexCharts card consuming the sensor
type: custom:apexcharts-card
series:
- entity: sensor.tibber_home_chart_data_export
data_generator: |
return entity.attributes.data;
```
**Migration Path:**
If you're currently using this sensor, consider migrating to the service:
```yaml
# Old approach (sensor)
- service: apexcharts_card.update
data:
entity: sensor.tibber_home_chart_data_export
# New approach (service)
- service: tibber_prices.get_chartdata
data:
entry_id: YOUR_ENTRY_ID
day: ["today", "tomorrow"]
output_format: array_of_objects
response_variable: chart_data
```