ZSE, a.s.

What ZSE, a.s. does

ZSE, a.s. (legal name Západoslovenská energetika, a.s.) is the holding company of the ZSE Group, a vertically integrated Slovak energy company founded in 1900 and owned by Germany's E.ON Group since 2002. Headquartered in Bratislava, ZSE operates through eleven wholly-owned subsidiaries spanning regulated electricity distribution (Západoslovenská distribučná in western Slovakia and Východoslovenská distribučná in eastern Slovakia), nationwide electricity and gas supply (Energetika Slovensko / E.SK, formed in July 2025 via merger of ZSE Energia and Východoslovenská energetika), EV charging (ZSE Drive), battery storage, smart-grid infrastructure, and ancillary services such as metering and call-center operations. The group serves nearly 2 million customers across Slovakia and is the operator of the largest EV charging network in the country, with cross-border roaming across Europe.

The group's core technology footprint includes a 20 MW / 20 MWh battery energy storage facility near Jaslovské Bohunice (one of Slovakia's largest), the ACON Smart Grids project jointly with E.ON Distribuce in the Czech Republic (€91.2M EU co-financing, €182M total project value), and the V4Grid consortium developing V2G/V2B/V2H vehicle-to-everything technology across Slovakia, Czech Republic, Poland, and Hungary. Recent product and infrastructure launches include the Landererova city EV charging hub in Bratislava (July 2024) and an €350M EIB loan signed in December 2025 for multi-year distribution network modernization including the Mierovo substation.

ZSE's revenue model combines regulated, subscription-style distribution tariffs and supply contracts with residential and business customers, usage-based per-kWh EV charging (€0.59/kWh AC roaming, €0.79/kWh DC/UFC roaming), and project-based revenue from EU-funded new-energy and smart-grid initiatives (€45M DRIVE-E grant for 1,400 charging points across 13 European countries including 430 heavy-duty truck chargers, plus ~€2.4M V4Grid Interreg funding). GTM is sales-led with enterprise field sales to industrial, commercial, and municipal accounts, plus direct-to-consumer channels for residential supply and EV charging. Distribution is fully owned and operated through regional concession subsidiaries, while the E.ON parent provides capital, technology access, and pan-European best practices.

Name

ZSE, a.s.

Legal name

Západoslovenská energetika, a.s.

Website

https://skupinazse.sk

Company type

Private

Founded year

1900

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

ZSE, a.s. is the Bratislava-based holding company of the ZSE Group, a vertically integrated Slovak energy utility owned by E.ON since 2002. It provides regulated electricity distribution in western and eastern Slovakia, nationwide electricity and gas supply, and the country's largest EV charging network, serving nearly 2 million customers.

Ownership category

akta.pro rank

Product category

Electric Utility Services

NAICS

Electric Power Distribution (221122), Electric Power Transmission, Control, and Distribution (22112)

SIC

Electric Services (4911), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Electric Distribution System Owners (Wires-Only Companies) (EUADABAI)

akta.pro secondary industry

DERMS & Distributed Grid Orchestration (DER Integration within ADMS) (EUADAEAF)

Keywords

• Electricity distribution services
• Electricity and gas supply
• EV charging network
• Battery energy storage
• Smart grid infrastructure

Headquarters

HQ city

Bratislava

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Operations, Technology or R&D, Personnel, Marketing or Sales, Supply Chain

Revenue model

1. Electricity Distribution: Regulated electricity distribution services provided through Západoslovenská distribučná (western Slovakia) and Východoslovenská distribučná (eastern Slovakia) to nearly 2 million customers.
2. Electricity and Gas Supply: Electricity and gas supply services provided throughout Slovakia by Energetika Slovensko, a.s. (E.SK) to residential and business customers.
3. EV Charging Services (ZSE Drive): EV charging services through ZSE Drive network, with pricing per kWh (0.79€/kWh for DC roaming, 0.59€/kWh for AC roaming), plus dedicated programs for businesses and municipalities.
4. New Energy Solutions: Comprehensive solutions focused on renewable energy sources and energy efficiency, including photovoltaic systems and energy management services.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

ZSE Group supplies electricity and gas, operates regulated electricity distribution networks in western and eastern Slovakia through dedicated subsidiaries (Západoslovenská distribučná and Východoslovenská distribučná), provides renewable energy and energy efficiency solutions via Energetika Slovensko (E.SK), and runs ZSE Drive, the largest EV charging network in Slovakia with European roaming. Supporting infrastructure includes a 20 MW / 20 MWh battery storage facility near Jaslovské Bohunice and smart grid / V2X technology programs developed with E.ON Distribuce and other partners.

Product overview

ZSE Group operates as a vertically integrated energy company with three main product lines: (1) ZSE Drive for electric vehicle charging services providing access to Slovakia's largest charging network with roaming across Europe; (2) Electricity and gas supply through Energetika Slovensko, a.s. (E.SK) with renewable energy solutions; and (3) electricity distribution via Západoslovenská distribučná and Východoslovenská distribučná covering western and eastern Slovakia. Supporting infrastructure includes battery energy storage facilities and smart grid technologies like the ACON project and V2X capabilities for vehicle-grid integration.

Differentiator

Problem solved

Functional benefit

Brands

• ZSE Drive: Electric vehicle charging network brand operated by ZSE, providing charging programs for drivers, firms, households, and cities with access to the largest charging station network in Slovakia
• E.SK

Products and services

• Electricity and Gas Supply
• Electricity Distribution
• ZSE Drive EV Charging
• ZSE Drive Domestic Wallbox
• Battery Energy Storage Facility (Jaslovské Bohunice)
• ACON Smart Grids Smart grid infrastructure project (Again Connected Networks) deploying advanced communication elements and intelligent load management to support renewable energy connections, developed in cooperation with E.ON Distribuce (Czech Republic).
• ZSE Drive City Charging Hub (Bratislava Landererova)
• ZSE Drive Roaming Charging Pay-per-use EV charging service in Slovakia and abroad via the ZSE Drive network with roaming partners. AC roaming from €0.59/kWh, DC and UFC roaming from €0.79/kWh.

Quantifiable outcome

• Battery storage facility stabilizes electricity grid and supports renewable energy development (20 MW / 20 MWh capacity)
• +1 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered flagship, minor and core.

• E.ONflagshipStrategic or Co-development Partner · 21 February 2025E.ON, Eldrive, and ZSE received €45 million in EU funding through the DRIVE-E project to expand EV charging infrastructure across 13 European countries. The partnership involves installing 1,400 charging points including 430 for heavy-duty electric trucks by 2027, strengthening cross-border EV charging along major transport routes.
• DanubeEnergy ConsortiumminorStrategic or Co-development Partner · 10 December 2024European project for sustainable heating in the Danube region involving partners from Slovakia and Ukraine, opening new opportunities in sustainable heating.
• ORLEN GroupcoreStrategic or Co-development Partner · 8 July 2024First LNG supply contract for ZSE Group, diversifying energy sources and enhancing supply security for customers throughout Slovakia. ORLEN Group is the largest energy company in Central and Eastern Europe, providing LNG primarily from the USA.
• V4Grid Consortium PartnerscoreStrategic or Co-development Partner · 22 May 2024International consortium of 11 partners from Slovakia, Czech Republic, Poland, and Hungary developing V2X technology. Partners include: Kempelen Institute of Intelligent Technologies, Technical University of Košice, ABB, Premium Napelem, Meter Solutions, Gablini Automotive Group, E.ON Energie CZ, Institute of Fluid Flow Machinery Polish Academy of Sciences, R3 Sp. z o.o., and Municipality of Przywidz. ZSE leads the consortium.
• E.ON Distribuce (Czech Republic)coreStrategic or Co-development Partner · 24 June 2019Joint ACON Smart Grids project receiving €91.2 million EU co-financing from European Commission. The project deploys smart grid technologies across Slovak and Czech distribution networks, representing the first Slovak-Czech project of this scale and the first distribution project in Central-Eastern Europe to succeed among EU Projects of Common Interest.

Scale indicators11 records

Recent moves8 records

Expansion highlights7 records

Regional players

• Verbund AG: Austrian integrated utility with generation, transmission, distribution, and EV charging. Comparable as a regional Central European utility competitor, particularly given Austria's proximity to Slovakia.

Direct peers

• ČEZ Group: Czech vertically-integrated utility with generation, distribution, supply, and growing e-mobility. Direct regional comparable in product mix (DSO + retail + EV charging) and Central European regulatory environment.
• IONITY: High-power charging (HPC) network joint venture between major European OEMs and energy companies. Direct competitor for cross-corridor and highway fast-charging traffic that ZSE Drive targets via DRIVE-E.
• GreenWay: Operates one of the largest EV charging networks in Central Europe (Poland, Slovakia, Czechia). Direct competitor to ZSE Drive in the regional public and highway charging segment.
• Allego: Pan-European EV charging network operator with public charging hubs across multiple EU countries including Slovakia-adjacent markets. Direct competitor to ZSE Drive's cross-border expansion ambitions under DRIVE-E.
• Stredoslovenská energetika (SSE): Slovak electricity distribution and supply company covering central Slovakia. Most direct comparable peer to ZSE within the Slovak market, competing in retail electricity/gas supply and operating as a regulated DSO.
• Eldrive: EV charging operator in Central and Eastern Europe (Bulgaria, Romania, Lithuania, Slovakia). Direct competitor and co-partner with ZSE in the DRIVE-E consortium for cross-border charging deployment.

Broad incumbents

• RWE: Major European utility with regulated networks, renewables, and energy retail across multiple countries. Comparable to ZSE's distribution/supply model and energy transition strategy at a broader European scale.
• E.ON: German parent of ZSE and one of Europe's largest energy companies with distribution, supply, and energy services across multiple countries. Overlap with ZSE through shared platforms (DRIVE-E), capital allocation, and pan-European energy services strategy.

Emerging players

• Tesla Supercharger: Global EV fast-charging network increasingly opened to non-Tesla EVs. Competes with ZSE Drive for high-utilization highway and urban charging sites across Europe, including Slovakia.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries11 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ZSE, a.s.