eedc - Energy Efficiency Data Center
Quick Start
Option 1: Home Assistant Add-on
- Add repository to HA Add-ons:
https://github.com/supernova1963/eedc-homeassistant
- Install and start the “EEDC” add-on
- Open via the sidebar
What is eedc?
eedc (Energy Efficiency Data Center) is a local application for the comprehensive evaluation and economic analysis of photovoltaic systems. The software runs standalone or as a Home Assistant add-on and stores all data locally.
Why eedc?
- No cloud dependency – all data remains on your server.
- Standalone capable – Works without Home Assistant
- Comprehensive analysis – from energy balance to ROI calculation
- Flexible data import – CSV import with dynamic columns
- Multi-component system – PV system, storage, electric car, heat pump, wallbox, balcony power plant
Features
Cockpit & Dashboards
- Aggregated overview with 7 sections (Energy, Efficiency, Storage, Electric Car, Heat Pump, Finance, CO2)
- 8 specialized dashboards for each component
- Formula tooltips display calculation principles on hover.
- Year filter for multi-year analyses
Evaluations & Reporting
- 6 analysis tabs : Energy, PV system, components, finance, CO2, investments
- ROI dashboard with amortization curve and parent-child aggregation
- Target-actual comparison against PVGIS forecasts
- CSV/JSON export for external processing
- Full JSON export for support and backup (NEW)
Outlook (forecasts)
- 4 Forecast Tabs : Short-term (7 days), Long-term (12 months), Trend Analysis, Finance
- Short-term forecast using weather data (Open-Meteo)
- Long-term forecast using PVGIS data and performance ratio
- Trend analysis with degradation calculation and seasonal patterns
- Financial forecast including amortization progress and additional cost approach
Data collection
- Manual form with dynamic component fields
- CSV import with personalized columns and plausibility check (NEW)
- Weather auto-fill via OpenMeteo / PVGIS TMY
- Demo data for testing
Investment Management
- Parent-child relationships : PV modules → inverters, DC storage → hybrid inverters
- Type-specific parameters : V2H, arbitrage, kWp, orientation, tilt
- ROI calculation per component and aggregated
- Extended master data : Device data, contact persons, maintenance contracts
Asset Management
- MaStR ID with direct link to the market master data register
- Utility providers & meters : Electricity, gas, water with any number of meters
- Foldable sections for clear forms
Optionale Home Assistant Integration
- MQTT Discovery for native HA sensors
- REST API for configuration.yaml
- Export calculated KPIs back to HA
