Our VSE and ZSE brands remain, but together we are becoming a strong leader in the energy sector
Energetika Slovensko, a.s. (E.SK) is an energy company established on 1 July 2025 through the merger of two stable Slovak energy suppliers with a century-long tradition — ZSE Energia, a.s. and Východoslovenská energetika, a.s.
The newly merged company, Energetika Slovensko, a.s. (E.SK), will continue to operate on the market under the well-established ZSE andVSE brandsCustomers can therefore continue to rely on the stability, reliability, and security of energy supply that these trusted brands represent.
E.SK deals with electricity and gas sourcing from the producers and its sale to approximately 1.3 million customers across Slovakia – including households, businesses and organisations, as well as large and key customers.
Poslaním spoločnosti je obchod s elektrinou a plynom na celom území Slovenska a poskytovanie súvisiacich služieb dlhodobo, spoľahlivo, za prijateľné ceny, s dôrazom na riadenie environmentálnych aspektov vlastnej činnosti a v súlade s požiadavkami na ochranu životného prostredia a platnou legislatívou. Našim zákazníkom prinášame okrem dodávky elektriny, plynu a súvisiacich služieb aj nové produkty a riešenia, ktoré im pomáhajú ušetriť financie, zvyšujú bezpečnosť ich majetku, zdravia a osobné pohodlie.
Ako člen Skupiny ZSE patríme na Slovensku k lídrom v otázkach zodpovedného podnikania a jeho princípy sú súčasťou našich každodenných rozhodnutí a stratégie podnikania. Zodpovedné podnikanie pre nás znamená nielen konanie spoločnosti v oblasti energetiky, ale aj voči miestnym komunitám a environmentálnym aspektom našej činnosti.
Energetika Slovensko, a.s., (E.SK) is a full subsidiary joint stock company of Západoslovenská energetika, a.s. Energetika Slovensko, a.s. (E.SK) has a subsidiary, E.SK Call centrum, s.r.o.
On 1 July 2025, ZSE Energia, a.s. with the registered office at Čulenova 6, 816 47 Bratislava, Company Registration No. 36 677 281, registered in the Companies Register of the City Court Bratislava III, Section: Sa, Entry No. 3978/B (ZSEE) and Východoslovenská energetika a.s., with registered office at Mlynská 31, 042 91 Košice, Company Registration No. 44 483 767, registered in the Companies Register of the City Court Košice, Section: Sa, Entry No: 1628/V (VSE) were merged; ZSEE was the dissolving company and VSE became the successor company.
On that date, all rights and obligations of the dissolved ZSEE were transferred to VSE which continues as the legal successor to ZSEE with all its previous identification details, except for its business name and registered office. The new business name and registered office of VSE as of the effective date of the merger is: Energetika Slovensko, a.s., Čulenova 6, 811 09 Bratislava.
In communication with customers, Energetika Slovensko, a.s. (E.SK) continues to use its well-established brands, ZSE andVSE brands.
Ing. Mgr. Juraj Bayer, PhD.
Chairman of the Board of Directors
JUDr. Tomáš Baník
Vice-Chairman of the Board of Directors
PhDr. Michal Dubeň
Member of the Board of Directors
Ing. Ľudovít Šipoš
Member of the Board of Directors
Mgr. Ľuboš Micheľ
Member of the Board of Directors
Chairman of the Supervisory Board
Vice-Chair of the Supervisory Board
Member of the Supervisory Board
Member of the Supervisory Board
member of the supervisory board
Member of the Supervisory Board
Member of the Supervisory Board
To 31/12/2024
Systém integrovaného manažérstva (SIM) v spoločnosti E.SK predstavuje komplexný prístup k riadeniu spoločnosti, ktorý spája rôzne manažérske oblasti do jedného koordinovaného systému. Zámerom spoločnosti je dosiahnuť a udržiavať vysokú kvalitu poskytovaných služieb svojim stálym i potenciálnym zákazníkom, zabezpečiť stabilné postavenie na energetickom trhu a zároveň znižovať negatívne vplyvy svojej činnosti na životné prostredie a priebežne zlepšovať environmentálnu výkonnosť spoločnosti a eliminovať bezpečnostné riziká vyplývajúce z práce a pracovného prostredia.
Energetika Slovensko, a. s. has a certified integrated management system in place, in particular:
• Quality Management System according to the ISO 9001 standard,
• Environmental Management System according to the ISO 14 001 standard,
• systém manažérstva bezpečnosti a ochrany zdravia pri práci podľa normy ISO 45001.
Annual report of the company ZSE Energia, a.s. za rok 2025, platná od 16. 04. 2026
Annual report of the company ZSE Energia, a.s. za rok 2024, platná od 16. 04. 2025
Annual report of the company ZSE Energia, a.s. za rok 2023, platná od 24. 04. 2024
Annual report of the company ZSE Energia, a.s. za rok 2022, platná od 28. 03. 2023
Annual report of the company ZSE Energia, a.s. za rok 2021, platná od 30. 03. 2022
Annual report of the company ZSE Energia, a.s. za rok 2020, platná od 24. 03. 2021
Annual report of the company ZSE Energia, a.s. za rok 2019, platná od 25. 03. 2020
Annual report of the company VSE a.s. za rok 2024, platná od 01. 01. 2025
Annual report of the company VSE a.s. za rok 2023, platná od 01. 01. 2024
Annual report of the company VSE a.s. za rok 2022, platná od 01. 01. 2023
Annual report of the company VSE a.s. za rok 2021, platná od 01. 01. 2022
Annual report of the company VSE a.s. za rok 2020, platná od 01. 01. 2021
Annual report of the company VSE a.s. za rok 2019, platná od 01. 01. 2020
Annual report of the company VSE a.s. za rok 2018, platná od 01. 01. 2019
Annual report of the company VSE a.s. za rok 2017, platná od 01. 01. 2018
Annual report of the company VSE a.s. za rok 2016, platná od 01. 01. 2017
Výročná správa spoločnosti Energetika Slovensko, a.s. za rok 2025, platná od 16. 04. 2026
Energetika Slovensko, a.s.,adheres to quality standards for the supply of electricity and gas, as well as related services, in full compliance with the law. The quality standards are governed by the following valid regulations issued by the Regulatory Office for Network Industries (ÚRSO)::
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