ModemTec
- Grid Infrastructures - Electricity
- Digitalisation
- Generation
- Technology Supplier (Hardware)
- Czech Pavilion
Our Achievements:
✅ 10,000+ installations worldwide across the energy and industrial sectors
🤝 Trusted by leading partners such as E.ON, Veolia, Škoda, HP, and Saudi Aramco
🌍 Proven projects across Europe, Asia, and the Middle East
Our Mission:
We innovate today to power the networks of tomorrow.
About Us:
ModemTec specializes in the development and manufacturing of advanced communication and diagnostic systems for smart energy networks. We deliver reliable PLC (Power Line Communication) solutions for both low- and medium-voltage grids, enabling efficient, secure, and cost-effective data transmission over existing power lines.
Beyond PLC communication technologies, ModemTec develops innovative systems for diagnostics of medium-voltage lines and equipment, as well as unique diagnostic tools that enhance the reliability and performance of PLC communication itself. These solutions provide utilities and network operators with deep insights into network conditions and support the optimization of communication infrastructures for smart grid applications.
As an active member of the G3-Alliance, ModemTec contributes to the global advancement and standardization of PLC-based smart grid communication. Our products are trusted by utilities and industrial partners across Europe, supporting the digital transformation of energy infrastructure and the development of future-ready smart grids.
























































































