Smart plugs with energy monitoring help track power usage. This guide covers common monitoring issues.
Energy Data Not Showing
When usage isn't displayed:
- Connected device: Plug something in that draws power
- Minimum load: Very low power may not register
- App refresh: Pull to refresh energy data
- Time delay: Historical data may take time to appear
- WiFi connected: Plug must be online to report
Readings Seem Wrong
Accuracy issues:
- Power factor: Some devices have poor power factor
- Standby power: Many devices draw power when "off"
- Calibration: Most plugs are factory calibrated
- Compare: Compare with kill-a-watt or utility meter
Historical Data
Viewing usage over time:
- Daily view: See today's usage
- Weekly/monthly: Track trends over time
- Export: Some apps allow data export
- Home Assistant: Can log to HA for long-term tracking
Cost Calculations
Estimating electricity costs:
- kWh rate: Enter your electricity rate in app
- Time of use: Some areas have variable rates
- Estimates: Cost estimates based on rate entered
- Utility comparison: Compare to actual bill
Home Assistant Energy Dashboard
Integrating with HA:
- Power sensors: Import power entities
- Energy integration: Add to Energy dashboard
- Utility meter: Create utility meter helpers
- Solar: Combine with solar production data
Whole Home Monitoring
Beyond individual plugs:
- Emporia Vue: Whole-home energy monitor
- Sense: AI-based device detection
- CT clamps: Install on electrical panel
- Circuit level: Some monitor individual circuits