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28 lines
1.0 KiB
Markdown
28 lines
1.0 KiB
Markdown
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# Get Energy Consumption and Usage Statistics
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:::{note}
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In order to use the helper methods to calculate the statistics correctly, your devices need to have correct time set.
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The devices use NTP (123/UDP) and public servers from [NTP Pool Project](https://www.ntppool.org/) to synchronize their time.
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:::
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## Energy Consumption
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The availability of energy consumption sensors depend on the device.
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While most of the bulbs support it, only specific switches (e.g., HS110) or strips (e.g., HS300) support it.
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You can use {attr}`~Device.has_emeter` to check for the availability.
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## Usage statistics
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You can use {attr}`~Device.on_since` to query for the time the device has been turned on.
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Some devices also support reporting the usage statistics on daily or monthly basis.
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You can access this information using through the usage module ({class}`kasa.modules.Usage`):
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```py
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dev = SmartPlug("127.0.0.1")
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usage = dev.modules["usage"]
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print(f"Minutes on this month: {usage.usage_this_month}")
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print(f"Minutes on today: {usage.usage_today}")
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```
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