2025.3.4
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WattTime

The WattTime integration集成将 Home Assistant 与您的设备、服务等连接和集成。 [Learn more] allows users to get real-time emissions data for a latitude/longitude from WattTime.

Registering an account

WattTime account registration is accomplished via the REST API itself. The simplest way to do this is by using cURL on the command line:

curl -X "POST" "https://api2.watttime.org/v2/register" \
     -H 'Content-Type: application/json' \
     -d '{
       "username": "<USERNAME>",
       "password": "<PASSWORD>",
       "email": "<EMAIL>",
       "org": "<ORG>"
     }'

Note that the org value can be anything you like – it doesn’t need to represent a real entity.

配置

要将 WattTime service 添加到您的 Home Assistant 实例中，请使用此 My 按钮：

手动配置步骤

如果上述 My 按钮不起作用，您也可以手动执行以下步骤：

Sensors

Note

The sensors available to you will depend on the type of WattTime subscription you have. You can reach out to WattTime to upgrade your subscription via their website.

Name Subscription Level Meaning
Marginal Operating Emissions Rate Pro The currently measured amount of lbs of CO2 per MWh
Relative Marginal Emissions Intensity All A percentage between the lowest (cleanest) and highest (highest) MOER values observed in the past two weeks

You can learn more about the data that WattTime collects by viewing these articles: