openhems 0.2.2

A sample Home Energy Managment System based on Home-Assistant

OpenHEMS

A simple Home Energy Management System

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Presentation

This software is an Open-Source Home Energy Management System based on Home-Assistant installation. It all run locally witch is good for privacy and is customizable. A packaged product, is avalable on https://openhomesystem.com/product/openhems-server/

This software is usefull to get an as smart as possible management of power consumption and production. This should lead to cost reduction.

• If you have a solar panel with battery, it will allow you to have smaller battery (witch is the most expensive part).

• If you have a public power grid source with variable cost, it will allow you to consume when it's lower cost.

Warning : This software is under activ developpment and is used on production but remain at early developpment. All contribution to the software are welcome. Please contact [e-mail] for any questions.

Prerequisites

• Controlable devices:

• devices witch start on plug like electrique car or old washing machine.
• connected devices like washing-machine.

• Advantages to delay some consumption. Depending on your electric source (Contract with offpeak hours, solar panels).

• A Linux based server, connected to home network, with a recent Python installation.

• And some software skills...

• More prerequisites, for installation are detailed on installation's documentation.

Install this software

See the documentation

Configure

See the documentation

usefull documentation

• https://developers.home-assistant.io/docs/development_environment
• https://www.home-assistant.io/installation/linux
• https://emhass.readthedocs.io/en/latest/