We will illuminate the future and accelerate development with reliable and intelligent solutions in power supply and RZA (relay protection and automation) systems.
RZA LLC was established in 2008 and operates in the fields of power generation plant construction, transmission line installation, substation maintenance services, and internal electrical wiring and installation works. Our company combines a highly skilled and experienced team with advanced technologies and modern engineering methodologies to fully meet quality and standard requirements in Mongolia’s energy sector. In addition, we successfully implement innovative solutions that enhance system reliability and efficiency. These include relay protection and automation auditing and modernization for Mongolia’s power system, the deployment of RoyPow ESS energy storage solutions for renewable energy, Sergi transformer explosion protection technology, and the implementation of WAMS (Wide Area Monitoring and Control System), contributing significantly to improving the reliability and efficiency of the energy infrastructure.










RZA LLC provides comprehensive, professional services for the diagnosis, maintenance, and modernization of transmission lines and substations to ensure the reliable and safe operation of power systems. With a team of experienced engineers and technicians, we deliver high-quality services based on advanced technologies and modern engineering solutions.




RZA LLC prioritizes safety in all types of construction and energy projects, ensuring full compliance with international standards and national legislation. Our team is committed to creating a risk-free working environment, preventing accidents and injuries, and continuously monitoring equipment safety. We apply professional methodologies and advanced monitoring systems to maintain the highest level of operational safety.
RZA LLC is a trusted partner with many years of experience in the energy and engineering sectors. We deliver comprehensive solutions tailored to each client’s needs and prioritize long-term relationships focused on mutual growth and development.
We support the knowledge, skills, and professional development of our employees and strive to build a positive, creative, and highly capable team within a comfortable and well-equipped working environment. We believe that our employees’ knowledge and expertise are the driving force of our organization. We warmly invite you to join our team and grow with us.


