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.
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.


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.
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.

More efficient electricity consumption and lower energy costs.
Managing and reducing peak power demand.
Storing surpluses from photovoltaics and other renewable sources.
Reduced dependence on the distribution grid and electricity prices.
Energy is available whenever your operations need it.
Providing flexibility and ancillary services for the power grid.
Monetizing stored energy in the electricity market.
More stable and reliable energy operations.
With properly designed systems, even during a grid outage.
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.
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