City of Sofia, postal code 1000, Vazrazhdane Region, 23 George Washington Street.

Working hours with customers: Monday to Friday, 10:00 am – 12:00 pm; 14:00 pm – 16:00 pm;

e-mail: office@icgb.eu, tel.: +359 (2) 4513 545;

Meetings with customers and their representatives are held each business day at the premises of ICGB AD after a preliminary appointment for a specific day and time via e-mail, telephone or post.

• Rules of Operations with Consumers of Energy Services - Application № 4, License № L-576-06 / 04.11.2021