https://github.com/eigenein/fennec

FoxESS home battery steering based on Next Energy or Frank Energie real-time prices
https://github.com/eigenein/fennec

dynamic-pricing dynamic-pricing-strategy foxess frank-energie home-battery homewizard-api homewizard-energy homewizard-p1-meter model-predictive-control model-predictive-controller next-energy nextenergy sustainability

Last synced: 15 days ago
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FoxESS home battery steering based on Next Energy or Frank Energie real-time prices

• Host: GitHub
• URL: https://github.com/eigenein/fennec
• Owner: eigenein
• License: mit
• Created: 2025-09-07T09:50:29.000Z (8 months ago)
• Default Branch: main
• Last Pushed: 2026-03-13T12:54:40.000Z (about 2 months ago)
• Last Synced: 2026-03-13T22:40:46.968Z (about 2 months ago)
• Topics: dynamic-pricing, dynamic-pricing-strategy, foxess, frank-energie, home-battery, homewizard-api, homewizard-energy, homewizard-p1-meter, model-predictive-control, model-predictive-controller, next-energy, nextenergy, sustainability
• Language: Rust
• Homepage:
• Size: 1.64 MB
• Stars: 1
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          


# Fennec

[![Build status](https://img.shields.io/github/actions/workflow/status/eigenein/fennec/check.yaml?style=for-the-badge)](https://github.com/eigenein/fennec/actions/workflows/check.yaml)

[![Codecov](https://img.shields.io/codecov/c/github/eigenein/fennec?style=for-the-badge)](https://app.codecov.io/gh/eigenein/fennec)

[![Activity](https://img.shields.io/github/commit-activity/y/eigenein/fennec?style=for-the-badge)](https://github.com/eigenein/fennec/commits/main/)

[FoxESS plug-in home battery](https://www.nextenergy.nl/artikelen/voor-batterij-fanaten) steering based

on [Next Energy](https://www.nextenergy.nl/actuele-energieprijzen) or [Frank Energie](https://www.frankenergie.nl/nl/dynamisch-energiecontract/dynamische-energieprijzen) real-time rates and:

- Current battery charge

- Charging and discharging efficiency

- Parasitic BMS load

- Average household consumption per price interval

## Acknowledgments

### Modbus Register Tables

- [openhab/openhab-addons](https://raw.githubusercontent.com/openhab/openhab-addons/refs/heads/main/bundles/org.openhab.binding.modbus.foxinverter/src/main/java/org/openhab/binding/modbus/foxinverter/internal/MQ2200InverterRegisters.java)

- [solakon-de/solakon-one-homeassistant](https://raw.githubusercontent.com/solakon-de/solakon-one-homeassistant/refs/heads/main/custom_components/solakon_one/const.py)

- [wimb0/home-assistant-nextenergy-battery-modbus](https://raw.githubusercontent.com/wimb0/home-assistant-nextenergy-battery-modbus/refs/heads/main/custom_components/nextenergy_battery/const.py)