If you're looking into some general details about how the Gen 2 operates and its general functionality, the best place to start is here: https://www.emporiaenergy.com/how-the-vue-energy-monitor-works
We also have technical specifications for the hardware available here: https://www.emporiaenergy.com/technical-specs
The Gen 2 is typically installed inside of the electrical panel where it will collect system voltage via the wire harness, and amperage/current via the CT's (sensors) connected to the device. The Gen 2 will come with 200A CT's that measure up to 250A for the mains, and 50A CT's (that measure up to 75A) can be added as well to capture branch circuit usage from the circuit lines to each breaker as needed. With those values measured by the Gen 2 - we can provide real-time as well as historical data for all of the circuit usage measured by the device. The Gen 2 samples voltage and measurement channels at approximately 24,000 samples per second. Twice per second, the Gen 2 uses these measurements to calculate root mean square averages for each of the voltage channels, and then intelligently pairs current channels with the correct voltage channel to calculate and report REAL power for each of the 19 CT's in the app.
That measurement data is uploaded to the Emporia cloud where it is relayed into the Emporia Energy app. That means that the measurement data can be viewed from anywhere in the world with an internet connection. This also means that WiFi is required for the Gen 2 to operate - cannot work without a 2.4GHz connection. Depending on the number of sensors connected to the device, you should expect the following amounts of data to be uploaded to the Emporia cloud through the connected WiFi network (per day):
- Gen 2 - two 200A mains only: 2.6 MB
- Gen 2 - two 200A mains, w/ eight 50A sensors: 13 MB
- Gen 2 - two 200A mains, w/ sixteen 50A sensors: 30.2 MB
When setup correctly, the Gen 2 should have an accuracy level of +/- 2% as compared to your utility provider meter measurements related to the kW/kWh unit of measurement.
As an energy monitor, the Gen 2 can then be paired with other Emporia devices for automated control of your appliance usage for various goals. Those features are part of the Energy Management functions available within the app. Additional details about how that can work can be found here.
Feedback and Suggestions
This knowledge base is pretty new for the Emporia team. Our goal is to provide all of the information we can to help you manage your energy in better ways. If this article wasn't helpful, or we could be more clarifying on any points please reach out to the Customer Support team and we'll certainly work to improve these guides.