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Stredoslovenská energetika, a.s., has been operating on the market for 90 years and has been supplying energy to more than 700,000 customers.

Besides the electricity and gas supply we have been offering the comprehensive solutions for the increase of energy efficiency, optimisation of consumption and energy management.
We have been constantly improving, modernising and adjusting our services to the changing needs of the customers.

Customer Services


0850 111 468, 0906 25 25 25

0850 123 555, 0906 25 25 21

0850 123 888

Customer centres


Visit us! We would like to provide you with contractual relation services at your personal visit in our Customer service.

Reports on malfunctions:

   0800 159 000


Stredoslovenská energetika supports Calvary in Banská Štiavnica!
Stredoslovenská energetika, a.s. (SSE) and the Calvary fund association signed on June 9, in the premises of Horný church in Banská Štiavnica the memorandum on cooperation and financial support of the project concerning rescue of the Calvary in Banská Štiavnica. During the period SSE will donate to the fund minimum amount of 150.000 €. More

Compete with E-invoice for an electricity one year free of charge!

Virtuálna domácnos

Everyone, who activates a free of charge electronic invoice until December 10, 2010, will be included to toss up automatically. The price is wonderful - electricity one year free of charge! 


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