E Wie Einfach Strom & Gas   
Germany’s first nationwide electricity and gas supplier.
›› 50677 Köln, Salierring 47-53, Tel. 0800 4411800, www.e-wie-einfach.de

eprimo  
Nationwide discount energy provider.
›› 63263 Neu-Isenburg, Flughafenstr. 20, Tel. 0800 ­6060110, www.eprimo.de

GASAG  
This long-established company supplies Berlin with natural gas and electricity; sustainable and reasonably priced.
›› Schöneberg, Euref-Campus 23-24, Tel. 030 70 72 00 00-0, www.gasag.de

Green Planet Energy    
Environmentally friendly electricity and gas.
›› 20457 Hamburg, Hongkongstr. 10, Hotline: 040/808 11 06 00, www.green-planet-energy.de

LichtBlick   
Germany’s largest independent supplier of environmentally friendly gas and electricity.
›› 20359 Hamburg, Zirkusweg 6, Tel. 040 80803030, www.lichtblick.de

Naturstrom   
Green electricity and biomethane.
›› Mitte, Kronenstr. 1, Tel. 030 683281930, www.naturstrom.de

Vattenfall  
Biggest power company.
›› Vattenfall, Mitte, Chausseestr. 23, Tel. 030 657988000
›› 24h-Störungsmanagement Strom: Tel. 0800 2112525  
›› Customer center: Reinickendorf, Markstr. 36, Mo-Fr 9.00-18.00
›› www.vattenfall.de

Yello Strom  
›› 50679 Köln, Siegburger Str. 229, Tel. 0221 27117777, www.yello.de