https://github.com/solectrus/senec-charger

Automated low-cost grid charging for SENEC Home V3 / V2.1 and Tibber dynamic electricity tariff
https://github.com/solectrus/senec-charger

cost-optimization electricity-prices

Last synced: 3 months ago
JSON representation

Automated low-cost grid charging for SENEC Home V3 / V2.1 and Tibber dynamic electricity tariff

• Host: GitHub
• URL: https://github.com/solectrus/senec-charger
• Owner: solectrus
• License: mit
• Created: 2023-11-29T15:58:34.000Z (over 2 years ago)
• Default Branch: develop
• Last Pushed: 2026-03-26T00:07:25.000Z (3 months ago)
• Last Synced: 2026-03-26T22:23:40.403Z (3 months ago)
• Topics: cost-optimization, electricity-prices
• Language: Ruby
• Homepage: https://solectrus.de/blog/2024-01-28-preisoptimierte-speicherbeladung-aus-dem-netz/
• Size: 623 KB
• Stars: 6
• Watchers: 1
• Forks: 1
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
[![Continuous integration](https://github.com/solectrus/senec-charger/actions/workflows/push.yml/badge.svg)](https://github.com/solectrus/senec-charger/actions/workflows/push.yml)

[![wakatime](https://wakatime.com/badge/user/697af4f5-617a-446d-ba58-407e7f3e0243/project/018c5239-d626-4755-b81b-a7c7006ebabb.svg)](https://wakatime.com/badge/user/697af4f5-617a-446d-ba58-407e7f3e0243/project/018c5239-d626-4755-b81b-a7c7006ebabb)

[![Maintainability](https://qlty.sh/badges/e025af69-1920-48b8-942e-18436af375f9/maintainability.svg)](https://qlty.sh/gh/solectrus/projects/senec-charger)

[![Code Coverage](https://qlty.sh/badges/e025af69-1920-48b8-942e-18436af375f9/coverage.svg)](https://qlty.sh/gh/solectrus/projects/senec-charger)

# SENEC Charger

Automated low-cost grid charging for SENEC Home V3 / V2.1 and Tibber dynamic electricity tariff

It charges your battery when electricity is cheap and there is no sunshine in sight.

```mermaid

flowchart

    BEGIN --> CHA{Battery safe-charging?}

    CHA -->|yes| INC{Charge level increased
since last check?}

    CHA -->|no| EMPTY{Battery empty?}

    INC -->|yes| END1[END]

    INC -->|no| STOP[Allow discharging!]

    EMPTY -->|yes| SUN{Sunshine ahead?}

    EMPTY -->|no| END4[END]

    SUN -->|yes| END3[END]

    SUN -->|no| CHEAP{Cheap grid power?}

    CHEAP -->|yes| START[Start safe-charging!]

    CHEAP -->|no| END5[END]

```

## Requirements

- SENEC.Home V3 or V2.1

- Dynamic electricity tariff from [Tibber](https://tibber.com)

## Usage

1. Prepare an `.env` file (see `.env.example`)

2. Run the Docker containers on your Linux box:

   ```bash

   docker compose up

   ```

This setup uses the following other Docker services:

- [Tibber-Collector](https://github.com/solectrus/tibber-collector)

- [Forecast-Collector](https://github.com/solectrus/forecast-collector)

- [InfluxDB v2](https://hub.docker.com/_/influxdb)

## License

Copyright (c) 2023-2025 Georg Ledermann, released under the MIT License

Sponsored by [EP: Bölsche Frikom GmbH](https://www.ep.de/boelsche)