esi

Operates district heating and electricity generation and distribution systems for customers in Slovak towns

Bratislava, SlovakiaFounded 1998esi.skWebsite technologies

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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

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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

FY2025FY2024FY2023FY2022FY2021
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 margin113.5%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

ContractsValue
Mesto Gelnica, Banícke námestie 4, 056 01 Gelnica13€89k
Správa domov Gelnica, s.r.o.2€12k
Obec Krahule1€1k
Slovenská agentúra pre rozvoj investícií a obchodu (SARIO)1—

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Suppliers

1 contract with 1 supplier · €3.0M

ContractsValue
Environmentálny fond1€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

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Jobs at esi

No open positions listed right now.

Leadership

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Website technologies

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Hosting

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