BESS specialist

Your European partner for comprehensive battery storage systems

Manufacturing, custom solutions, and project responsibility from design to long-term operation

Completed projects

Completed projects from the Tesla Energy Group portfolio

Žipotín, CZ

3× 1 MW / 3× 2.236 MWh, 2025

UCED Kutná Hora, CZ

4 MW / 4.472 MWh, 2025

MG Power, Velká Bíteš, CZ

10 MW / 26.8 MWh, 2026

ENSTRA, Zvolen, SK

550 kW / 1.118 MWh, 2023

HMC Invest, Vlkanová, SK

3.78 MW / 5.589 MWh, 2023

INFINITY GROUP, Vígľaš, SK

100 kW / 186 kWh, 2023

430+

MWh of installed capacity in operation across Europe

40+

Projects in operation/under construction for industry, heating plants, and renewables

24h

Guaranteed response time with spare parts stocked in SK and CZ

Central European countries where we have a local presence

Benefits of battery storage

Regulácia frekvencieaFRR · aktivácia

Ancillary services and flexibility

Batteries can provide power quality services and ensure the operational reliability of the power grid.

Prebytok z výrobyPrebytok sa ukladá

Renewable energy sources

BESS maximizes the use of renewable energy sources (RES) by storing energy during periods of high production for use when needed.

Špička nad limitOdrezané do úložiska

Peak shaving

By using the battery during peak demand periods to supply electricity in parallel with the grid, you can cover energy requirements and reduce reserved capacity.

Sieť · v poriadkuVýpadok · záloha beží

Backup power

In combination with external constant sources, BESS can significantly mitigate the impact of unexpected power grid outages.

Nízka cena · nákupVysoká cena · predaj

Electricity trading

Energy storage allows you to trade electricity via BESS based on current market conditions.

Kabinetové BESSKontajnerové BESS

Scalability and design variability

We manufacture TESLA battery storage systems in indoor, outdoor, cabinet, and container designs with capacity and power tailored to your needs.

TESLA ENERGY GROUP is part of a strong holding company of 23 firms providing comprehensive energy services in the Central European region.

Battery storage containers with cooling units and switchgear on a gravel surface.

We build on partnerships with leading global component suppliers

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

Battery storage for every type of operation

From compact cabinets to containerized systems and custom-tailored projects

Letecký pohľad na výstavbu batériového úložiska s mobilným žeriavom a kontajnermi.

Custom EPCM solutions

Complete design and management of large-scale BESS projects, from concept through construction to commissioning and maintenance.

Dva kabinetové batériové systémy TESLA GAMA 233 na betónových základoch

Cabinet BESS

Modular outdoor storage with scalable capacity.

Otvorený kontajnerový batériový systém TESLA BESS pri fotovoltickej elektrárni

Containerized BESS

High-capacity containerized storage with fast installation.

Interiérové batériové úložisko s radmi batériových stĺpcov a hasiacim systémom v technickej miestnosti

Indoor BESS

Indoor storage tailored to your layout and fire safety requirements.

Didn't find the right solution? We will design a system tailored to your operations.

No-obligation consultation

How it works?

Consultation

We analyze your consumption, load profile, and goals. Based on these, we design a solution tailored exactly to your needs.

Return on investment

We calculate the costs, benefits, and return on investment so you know exactly what the storage system will bring you.

Project and financing

We prepare the technical design, budget, and schedule, including financing options.

Turnkey implementation

We handle production, delivery, installation, and commissioning. You receive a fully functional system.

Service and operation

We train your staff and take care of the storage system throughout its entire service life.

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What our clients say

"For us, Velká Bíteš follows our storage facility operations in Kuřim and confirms the direction of MG Power: to build and operate standalone battery storage systems as a fully-fledged part of the Czech energy infrastructure. For projects of this size, it is not just capacity that is key, but also safety, fast response, precise power management, and long-term reliability."

Portrait of a woman in a knitted sweater – illustrative photo in the references section.

Gustav Urbánek

CEO, MG Power a.s.

"Working with TESLA ENERGY GROUP was a significant contribution to the successful implementation of our electric vehicle charging station project. The supplied battery storage system with an output of 500 kW and a capacity of 558 kWh fully met our technical requirements and helped increase the efficiency and reliability of the entire system. The high-quality implementation of the solution, expert consultations, and professional coordination throughout the process are clear proof of the high level of services provided. Technology from TESLA ENERGY GROUP significantly supported the achievement of our project goals."

Portrait of a woman in a gray blazer – illustrative photo in the references section.

Novamina centar inovativnih tehnologija d.o.o.

Croatia

"We would like to express our satisfaction with our collaboration with TESLA ENERGY GROUP, who supplied us with a battery storage system with an output of 5.2 MW and a capacity of 2.914 MWh. This system, in combination with our gas turbine, plays a key role in providing ancillary services for SEPS. We appreciate the professional approach and expert advice throughout the entire process, from design to successful commissioning. Thanks to the reliability and quality of the technology, we have managed to achieve greater efficiency and stability in our energy processes."

Portrait of a man in a light-colored coat – illustrative photo in the references section.

VEOLIA Industry s.r.o.

Levice

"We would like to thank TESLA ENERGY GROUP for the delivery of a high-quality battery storage system with an output of 3.78 MW and a capacity of 5.59 MWh, which has significantly improved energy efficiency at our technology park. The system has become an integral part of our sustainability strategy and has significantly reduced our dependence on external energy sources. The entire installation and optimization process was professional and seamless."

Portrait of a woman in a beige blazer – illustrative photo in the references section.

HMC technological Park

Vlkanová

Battery storage tailored to your project

From design and production to service — everything under one roof. Get a no-obligation quote tailored to your operations.

European manufacturing

Tailored solutions

24/7 support

ISO certified

Modular system

In-house dispatch center

Join 50+ satisfied customers