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67 lines
2.2 KiB
Markdown
67 lines
2.2 KiB
Markdown
# Core Concepts
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Understanding the fundamental concepts behind the Tibber Prices integration.
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## Price Intervals
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The integration works with **quarter-hourly intervals** (15 minutes):
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- Each interval has a start time (e.g., 14:00, 14:15, 14:30, 14:45)
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- Prices are fixed for the entire interval
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- Synchronized with Tibber's smart meter readings
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## Price Ratings
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Prices are automatically classified into **rating levels**:
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- **VERY_CHEAP** - Exceptionally low prices (great for energy-intensive tasks)
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- **CHEAP** - Below average prices (good for flexible loads)
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- **NORMAL** - Around average prices (regular consumption)
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- **EXPENSIVE** - Above average prices (reduce consumption if possible)
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- **VERY_EXPENSIVE** - Exceptionally high prices (avoid heavy loads)
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Rating is based on **statistical analysis** comparing current price to:
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- Daily average
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- Trailing 24-hour average
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- User-configured thresholds
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## Price Periods
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**Best Price Periods** and **Peak Price Periods** are automatically detected time windows:
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- **Best Price Period** - Consecutive intervals with favorable prices (for scheduling energy-heavy tasks)
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- **Peak Price Period** - Time windows with highest prices (to avoid or shift consumption)
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Periods can:
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- Span multiple hours
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- Cross midnight boundaries
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- Adapt based on your configuration (flex, min_distance, rating levels)
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See [Period Calculation](period-calculation.md) for detailed configuration.
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## Statistical Analysis
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The integration enriches every interval with context:
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- **Trailing 24h Average** - Average price over the last 24 hours
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- **Leading 24h Average** - Average price over the next 24 hours
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- **Price Difference** - How much current price deviates from average (in %)
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- **Volatility** - Price stability indicator (LOW, MEDIUM, HIGH)
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This helps you understand if current prices are exceptional or typical.
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## Multi-Home Support
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You can add multiple Tibber homes to track prices for:
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- Different locations
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- Different electricity contracts
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- Comparison between regions
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Each home gets its own set of sensors with unique entity IDs.
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---
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💡 **Next Steps:**
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- [Glossary](glossary.md) - Detailed term definitions
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- [Sensors](sensors.md) - How to use sensor data
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- [Automation Examples](automation-examples.md) - Practical use cases
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