esi
Operates district heating and electricity generation and distribution systems for customers in Slovak towns
Highlights
- ProfitableFY2025 net profit €1.6M · RÚZ
Recent signals
What changed at esi in the last 6 months, newest first. Each line links to its public source.
- 7 Nov 2026 Turned profitable · Turned profitable in FY2025: €10k net profit after a €32k loss registeruz.sk
About esi
esi a.s. is a parent company whose subsidiaries operate energy systems for centralized heat and electricity generation and distribution. Its activities include combined heat and power generation and electricity production from renewable sources.
The group supplies heat and electricity to customers in several towns, focusing on reliable supply and energy costs. Registry facts place its headquarters in Bratislava; the site names operating locations including Gelnica, Hnúšťa, Hriňová, Kysucké Nové Mesto, Medzilaborce, Poltár, Tlmače, Trebišov and Žarnovica.
Product: Centralized heat and electricity generation, distribution and supply through subsidiaries.
Financials
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | €1.4M | €1.3M | €1.3M | €1.0M | €989k |
| Growth | +3% | +4% | +25% | +4% | — |
| EBITDA | €63k | €73k | €162k | €147k | €139k |
| Operating profit | €199k | €41k | €129k | €128k | €121k |
| Net profit | €1.6M | €74k | €135k | €115k | €158k |
| Net margin | 113.5% | 5.5% | 10.4% | 11.2% | 16% |
| Personnel costs | €1.1M | €1.1M | €896k | €685k | €684k |
| Total assets | €9.3M | €8.4M | €8.2M | €8.3M | €7.1M |
| Cash | €20k | €9k | €11k | €8k | €22k |
| Liabilities | €2.6M | €2.4M | €2.6M | €3.2M | €3.2M |
| Equity | €6.7M | €5.9M | €5.5M | €5.1M | €3.9M |
As filed with RÚZ (Slovak register of financial statements). Each year links to its statement.
Public contracts
Contracts esi signed since 1 Nov 2024, from the Slovak and Czech public contract registers. Values as published; amendments are not counted.
Customers
17 contracts with 4 buyers · €102k
| Contracts | Value | |
|---|---|---|
| Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica | 13 | €89k |
| Správa domov Gelnica, s.r.o. | 2 | €12k |
| Obec Krahule | 1 | €1k |
| Slovenská agentúra pre rozvoj investícií a obchodu (SARIO) | 1 | — |
Suppliers
1 contract with 1 supplier · €3.0M
| Contracts | Value | |
|---|---|---|
| Environmentálny fond | 1 | €3.0M |
Latest contracts
- 8 Oct 2026 from Environmentálny fond · Z M L U V A č. MoF0139262455 O POSKYTNUTÍ PODPORY Z ENVIRONMENTÁLNEHO FONDU FORMOU DOTÁCIE Z PROSTRIEDKOV MODERNIZAČNÉHO FONDU · €3.0M register
- 3 Aug 2026 for Obec Krahule · Zmluva o poskytnutí sponzorského príspevku · €1k register
- 31 Jul 2026 for Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica · ZMLUVA O BUDÚCEJ ZMLUVE o zriadení vecného bremena register
- 26 May 2026 for Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica · ZMLUVA O UMIESTNENÍ ENERGETICKÉHO ZARIADENIA register
- 19 May 2026 for Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica · ZMLUVA O BUDÚCEJ ZMLUVE o zriadení vecného bremena register
- 1 Apr 2026 for Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica · ZMLUVA O UMIESTNENÍ ENERGETICKÉHO ZARIADENIA register
Public tenders won
1 tender won since 1 Jan 2024 from 1 public buyer in Slovakia, worth €31k as awarded. From EU award notices (TED) that name esi by its registry number.
- 13 Oct 2025 Mesto Gelnica · Modernizácia, údržba a prevádzka sústavy tepelného hospodárstva mesta Gelnica s využitím obnoviteľných zdrojov · €31k notice
Jobs at esi
Leadership
- Ivan Ďuďák · Generálny riaditeľSource: business register
- Ildikó Méry · Ekonomická riaditeľkaSource: business register
- Vladimíra Kováčiková · Výkonná riaditeľka tepelných hospodárstievSource: business register
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Content management
- WordPressHigh confidence
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- Website resourcedeclared script/iframe or software asset
Forms
- WPFormsHigh confidence
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- Website resourcedeclared script/iframe or software asset
Frontend frameworks
- jQueryHigh confidence
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Hosting
- ApacheHigh confidence
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- Response headerserver
- Response headerserver
- Response headerserver
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.
