ZSE Energia
Electricity and gas supplier for households and businesses across Slovakia, operating under the ZSE and VSE brands
Recent signals
What changed at ZSE Energia in the last 6 months, newest first. Each line links to its public source.
- 5 Nov 2026 Public contract · Won €805k public contract from Ekonomická univerzita v Bratislave: Zmluva o dodávke plynu pre rok 2027 crz.gov.sk
- 14 Sep 2026 Public contract · Won €38k public contract from Obec Valaliky: Zmluva o združenej dodávke plynu č. W06/5750534948/2027 crz.gov.sk
- 14 Sep 2026 Public contract · Won €33k public contract from Obec Valaliky: Zmluva o združenej dodávke plynu č. W06/5750534948/2027 crz.gov.sk
About ZSE Energia
ZSE is a brand of Energetika Slovakia, a.s. (E.SK), an energy company that buys electricity and gas from producers and supplies it across Slovakia. Energetika Slovensko was formed on 1 July 2025 by merging ZSE Energia, a.s. with Východoslovenská energetika, a.s., and it continues to use the ZSE and VSE brands with customers. It is a 100% subsidiary of Západoslovenská energetika, a.s.
Its customers are households, businesses, organisations and large key accounts, with about 1.3 million customers in total according to the company. Besides electricity and gas supply, the product range includes shared and green electricity, solar installations for homes, schools and businesses, solar service, air conditioning, EV charging, energy audits and the EnergoServis offering.
The company was founded in 2008 and has its registered seat in Bratislava. It holds ISO 9001, ISO 14001 and ISO 45001 certifications for quality, environmental and occupational health and safety management. Its ZSE brand refers to more than 100 years of energy supply.
Product: Electricity and gas supply for households and businesses, plus solar installations, air conditioning, EV charging and energy services.
Public contracts
Contracts ZSE Energia signed since 1 Nov 2024, from the Slovak and Czech public contract registers. Values as published; amendments are not counted.
Customers
2,051 contracts with 1,021 buyers · €62.1M
| Contracts | Value | |
|---|---|---|
| Železnice Slovenskej republiky | 1 | €40.0M |
| Košický samosprávny kraj | 2 | €9.9M |
| Jadrová a vyraďovacia spoločnosť, a.s. | 1 | €5.3M |
| Mesto Košice | 2 | €1.5M |
| Ekonomická univerzita v Bratislave | 1 | €805k |
| Letové prevádzkové služby Slovenskej republiky, štátny podnik | 1 | €380k |
| Úrad pre normalizáciu, metrológiu a skúšobníctvo SR | 4 | €292k |
| Mesto Partizánske | 2 | €280k |
Open public tenders for ZSE Energia →
Suppliers
77 contracts with 56 suppliers · €76k
| Contracts | Value | |
|---|---|---|
| VSE Solutions s.r.o. | 4 | €58k |
| Západoslovenská vodárenská spoločnosť, a.s. | 1 | €10k |
| Ministerstvo investícií, regionálneho rozvoja a informatizácie Slovenskej republiky | 1 | €3k |
| Základná škola Mateja Bela, Kláštorná 4, Šamorín | 1 | €500 |
| Obec Jedľové Kostoľany | 2 | €155 |
| Obec Iliašovce | 1 | €16 |
| Obec Komárovce | 1 | €16 |
| Obec Turňa nad Bodvou | 1 | €16 |
Latest contracts
- 5 Nov 2026 for Ekonomická univerzita v Bratislave · Zmluva o dodávke plynu pre rok 2027 · €805k register
- 4 Nov 2026 for Obec Žehra · Zmluva o združenej dodávke elektriny FirmaIndividual Aktiv · €130 register
- 4 Nov 2026 for Obec Žehra · Zmluva o združenej dodávke plynu pre odberateľa mimo domácnosti · €37 register
- 3 Nov 2026 for Obec Ladce · Zmluva o združenej dodávke elektriny register
- 3 Nov 2026 for Obec Ladce · Zmluva o združenej dodávke elektriny register
- 3 Nov 2026 for Obec Ladce · Zmluva o združenej dodávke plynu register
Public tenders won
56 tenders won since 1 Jan 2024 from 35 public buyers in Slovakia, worth €68.8M as awarded. From EU award notices (TED) that name ZSE Energia by its registry number.
- 6 Nov 2026 Ekonomická univerzita v Bratislave · Dodávka zemného plynu pre Ekonomickú univerzitu v Bratislave 2025-2028 · €658k notice
- 14 Oct 2026 Mesto Dunajská Streda · Nákup, dodávka elektrickej energie, zabezpečenie jej distribúcie a prevzatie zodpovednosti za odchýlku v plnom rozsahu od 01.01.2027 · €1.2M notice
- 5 Jun 2026 SLOVENSKÝ VODOHOSPODÁRSKY PODNIK, štátny podnik · Združená dodávka zemného plynu pre potreby SVP, š.p. na roky 2026 - 2029 · €1.5M notice
- 20 Apr 2026 Trnavská univerzita v Trnave · Dodávka elektrickej energie od 1.1.2024 do 31.12.2025 · €4 notice
- 18 Mar 2026 Mesto Košice · Združená dodávka elektrickej energie pre Mesto Košice a organizácie v jeho zriaďovateľskej a zakladateľskej pôsobnosti notice
- 10 Feb 2026 Sociálna poisťovňa · Dodávka zemného plynu pre objekty Sociálnej poisťovne · €564k notice
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Website technologies
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