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New unified API support for solar inverters and home batteries: The HEM System (Beta)

Released

A single API endpoint for home energy insights that reports accurate, synchronized data for energy flows behind-the-meter

Copy linkHEM System API

The Home Energy Management (HEM) System models how energy devices work together in the real world. It links a user’s inverter, battery, and meter into one synchronized system within the Enode API - laying the foundation for consistent, end-to-end energy insights.

Instead of leaving our customers with the task to turn devices that belong together into a system, we solve it for them by providing system level data, insights and statistics in one easy to use and central API: The HEM System

Copy linkKey benefits

  • Energy metrics: Easy access to solar generation, household consumption, grid imports/exports, and battery charge/discharge data.
  • Synchronized data collection: All devices are polled together, ensuring consistency across generation, consumption, and storage metrics.
  • Comprehensive statistics: Access detailed time series data with 5–15 minute resolution (vendor dependent).
  • Simplified development: A single API endpoint for complete home energy insights that match what users see in vendor apps.
  • Optimization-ready data: Accurate, synchronized data enables both behind-the-meter and grid-level optimization strategies.

The HEM System is currently in beta and supported for Enphase, FoxESS, GivEnergy, Huawei, SMA, SolarEdge, Solax, Solis, and Tesla on API version 2024-10-01 and later.

To learn more, please visit our integration guide and API documentation on HEM SystemsAPI.

Interested in testing these features and helping us shape this solution? Inquire with your Customer Success Manager about joining our beta.