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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I use an IotaWatt system. It's super easy to install and manage. It uses inductive sensors at your circuit breaker so you can see your total usage and per circuit usage. It also easily hooks into HomeAssistant but that's a bit more advanced of a project.
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