Get to know us

Building energy independence for Central Europe

TESLA ENERGY GROUP designs and manufactures scalable BESS battery storage systems. Behind every system is a team of engineers in Žilina, a holding company of 23 firms, and dozens of installations across Slovakia, the Czech Republic, Hungary, and Croatia.

430+
MWh of installed capacity in operation across Europe
40+
Completed projects for industry, heating plants, and renewables
24h
Guaranteed response time with spare parts stocked in SK and CZ
6
Central European countries where we have a local presence

TESLA Energy Group is a European supplier and integrator of Battery Energy Storage Systems (BESS). We specialize in the development, engineering, manufacturing, supply, and integration of scalable battery systems for industry, energy, renewable sources, and other commercial applications. We offer our customers comprehensive solutions, from initial analysis and design through implementation to commissioning, energy management, and long-term service.

Energy production and consumption management

The core product area of TESLA Energy Group is Battery Energy Storage Systems (BESS). Our solutions enable efficient management of electricity production and consumption, help reduce energy costs, improve the utilization of renewable sources, and integrate storage into modern energy management.

Open containerized TESLA BESS battery system at a photovoltaic power plant
Technicians in high-visibility vests standing by an open container with battery racks.

In-house engineering and know-how

We possess in-house engineering and technical expertise in the design, integration, and implementation of battery systems. We tailor every BESS solution to the specific needs of the customer, including required power output, capacity, operational profile, and intended use.

End-to-end implementation from a single partner

TESLA Energy Group manages the entire implementation process – from energy data analysis and configuration design to project planning, technology manufacturing and delivery, installation, commissioning, control system integration, and ongoing maintenance.

Aerial view of battery storage construction with a mobile crane and containers.

Battery Energy Storage Systems – BESS

Cost optimization

More efficient electricity consumption and lower energy costs.

Peak shaving

Managing and reducing peak power demand.

Storage from RES

Storing surpluses from photovoltaics and other renewable sources.

Energy self-sufficiency

Reduced dependence on the distribution grid and electricity prices.

Balancing production and consumption

Energy is available whenever your operations need it.

Flexibility and ancillary services

Providing flexibility and ancillary services for the power grid.

Commercial use

Monetizing stored energy in the electricity market.

Stability and reliability

More stable and reliable energy operations.

Backup and off-grid operation

With properly designed systems, even during a grid outage.

A reliable team for the best results

company management
The group is backed by a leadership team that covers all areas, from strategy and finance to engineering and sales in the Czech Republic and Slovakia. You work with the same people throughout the entire project, from the initial conversation to the final signature and commissioning.
Andrej Polonec
Andrej Polonec
Group CFO
Peter Stančík
Peter Stančík
Sales Director for Czechia and Slovakia
Pavel Filla
Pavel Filla
Group CTO
Marek Kyseľ
Marek Kyseľ
Group CEO
Are you interested in working for our company? We have open positions.

Storage that passes every audit

Battery storage is a part of critical infrastructure. We design our solutions to comply with NIS2 and OT security standards—including our own PLC and EMS, which we develop in-house.

ISO 9001:2015
ISO 14001:2015
ISO 45001:2018
IEC 62443
NIS2
MFA
Trojúrovňové zabezpečenie
Press

Publications about our company

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News and updates

Follow the latest news from the world of battery storage, our projects, and the energy industry.

TESLA Battery Storage at Intersolar Europe 2023 in Munich
08.10.2024

TESLA Battery Storage at Intersolar Europe 2023 in Munich

Read articleTESLA Battery Storage at Intersolar Europe 2023 in Munich
News and Events
Your partner for a sustainable and reliable energy future
Market and Energy
21.02.2025

Your partner for a sustainable and reliable energy future

Read articleYour partner for a sustainable and reliable energy future
Market and Energy
Battery Storage Safety
07.10.2024

Battery Storage Safety

Read articleBattery Storage Safety
Technology and Safety