OpenNEM for Home Assistant (Marketplace integration)

Installs: 162 sharing analytics
GitHub stars: 19
Connection: Uses the vendor's cloud
Upkeep: No update in 6 to 18 months
Version: 2025.05.2, May 18, 2025
Category: Sensors
Kind: Marketplace integration
Needs: Needs the Marketplace (HACS on 2026.10 and older)
Domain: opennem
Source: github.com/bacco007/sensor.opennem
Issues: Report an issue

Independent directory, made by the developer of Vulpo. Not affiliated with Home Assistant or the Open Home Foundation.

About

OpenNEM is a Marketplace integration that adds sensors with National Electricity Market data from OpenElectricity. The data comes from the vendor's cloud, and the region to monitor is chosen in the setup and can be changed later in the options. Each sensor reports only the energy sources that apply to its region. A generation versus demand attribute is calculated as the region's generation, excluding imports, minus its demand, so a negative value means generation does not meet demand. The authenticated API needed for flow between regions is not supported. Setup is done in the UI, and a diagnostics file can be downloaded for bug reports.

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Supports

Uses the vendor's cloud Needs an internet connection and an account with the vendor.
From the Marketplace Installed through the Marketplace, formerly HACS.