SE Predaj is a 100% subsidiary of Slovenské elektrárne

In case of any questions or unclear issues related to supplier change, we are ready to provide you information between 8:30 and 16:00, please contact the customer service line 0850 555 999, or electronically on

Customer service line is intended for providing information to the customers from household and small enterprises segment. If you buy electricity as a wholesale customer, please contact our business team.

Neither SE Predaj, nor Slovenské elektrárne own or operate transmission or distribution network. In case of any electricity breakdowns or shutdowns, please contact the distribution company in your region.

Emergency lines:

Please, send the complaints to the address You can send the complaint also by fax, fax number 02/5866 3824, or by post to the address:

Slovenské elektrárne - energetické služby, s.r.o.

Mlynské nivy 47 
821 09 Bratislava 2 
Slovak Republic