The following data sources are used:

Power:

• 50 Hertz
• Amprion
• Tennet
• TransnetBW
• EEX Transparency Platform
• ENTSOE Transparency Platform
• Federal Statistical Office (Destatis)
• Federal Ministry for Economic Affairs and Energy (BMWi)
• AGEE
• Bundesnetzagentur

Energy:

• 50 Hertz
• Amprion
• Tennet
• TransnetBW
• EEX Transparency Platform
• ENTSOE Transparency Platform
• Federal Statistical Office (Destatis)
• Federal Ministry for Economic Affairs and Energy (BMWi)
• AGEE

Emissions:

• Umweltbundesamt (UBA)
• PRTR registry

Climate:

• Deutscher Wetterdienst (DWD) - Open Data Server
• Climate Data Center (CDC)

Prices:

• 50 Hertz
• Amprion
• Tennet
• TransnetBW
• EPEX SPOT
• EEX Transparency Platform
• Federal Statistical Office (Destatis)

Interactive Map:

• EEX Transparency Platform
• Bundesnetzagentur (BNetzA)
• Swiss Federal Office of Energy (SFOE) / Federal Office for the Environment (FOEN)
• Copernicus Climate Change Service - ERA5 data

Visualisation library sources:

• Highcharts a Javascript Charting Engine
• D3.js a JavaScript library for visualizing data
• OpenStreetMap (OSM) an open initiative to create and provide free geographic data
• Leaflet an open-source JavaScript library for mobile-friendly interactive maps