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Circuit-level energy monitoring, with your data under your control.

Accurate, open, browser-based power monitoring for homes and small commercial buildings. View real-time power, store history locally, create detailed graphs, and connect to the tools you already use.

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From installation to insight

This platform is built for people who want more than a monthly utility total. It delivers circuit-level visibility, local data retention, browser-based management, and integration flexibility in one practical monitoring system. Unlike closed ecosystems that limit how data is stored or used, this approach keeps reporting accessible and portable. You can use the built-in interface for everyday monitoring or connect to outside tools for deeper analysis and automation.
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Built on an open-source, open-hardware foundation, with the flexibility to work alongside the platforms and workflows you already trust.

Data is stored locally, giving you a durable record that does not depend on a constant cloud connection. Users in the community highlight local retention and easy data extraction as key reasons they choose it.

Setup, configuration, status, and graphing are available through an integrated web interface that works from a computer, tablet, or phone.

The system can operate on its own or upload selected data to services such as Emoncms, InfluxDB, and PVOutput. It can support multiple upload services while retaining local logging and reporting.

IoTaWatt is described as a 14-channel WiFi-connected electric power monitor, and sellers describe support for single-phase and three-phase service with passive clip-on sensors.
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