National Power Transmission Grid
Mongolia's state-owned electricity transmission system operator.
Last updated August 25, 2026
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Overview
National Power Transmission Grid (NPTG), formally known as National Power Transmission Grid State Owned Stock Company, is Mongolia's electricity transmission system operator. Based in Ulaanbaatar, it operates and maintains the country's high-voltage transmission infrastructure and supports the movement of electricity between generating facilities, substations, regional networks, and distribution systems. The organization traces its establishment to 1967, when Mongolia's electricity infrastructure was being developed as a national network. Over time, its responsibilities expanded from operating individual transmission assets to managing a geographically extensive system serving much of the country. Its network includes overhead transmission lines at 220 kV, 100 kV, and 35 kV, together with approximately 80 substations distributed across 16 provinces and 300 districts. NPTG is organized through five regional and metropolitan branches: the Ulaanbaatar branch, Hangai regional branch, Central regional branch, Southeast regional branch, and Gobi regional branch. This structure reflects Mongolia's large territory and the differing operating conditions of its central, urban, steppe, southeastern, and Gobi regions. The branches support the operation, maintenance, and local management of transmission assets while the company coordinates the national system. The company's core activity is infrastructure operation rather than the sale of consumer electricity under a retail brand. Its principal functions include high-voltage power transmission, substation operation, maintenance of overhead lines and electrical equipment, system reliability support, and coordination of electricity flows within Mongolia's power system. As a transmission operator, NPTG occupies a central position between electricity generation and downstream distribution utilities. The company is a state-owned enterprise and is not publicly listed. A workforce figure reported for September 2021 recorded 1,292 employees. Publicly available reference material provides limited information about its commercial branding, leadership, financial performance, major projects, and communications campaigns. Accordingly, the brand is best understood as a national infrastructure and public-utility institution whose importance derives from the reliability and geographic reach of the transmission network it operates.
History
National Power Transmission Grid was founded in 1967 as part of the development of Mongolia's national electricity infrastructure. Its institutional role is centered on the transmission layer of the power system: moving electricity over high-voltage lines and through substations rather than generating power or primarily selling electricity to end consumers. The organization is headquartered in Ulaanbaatar and operates through five branch offices: Ulaanbaatar, Hangai regional, Central regional, Southeast regional, and Gobi regional. The branch system allows the company to manage transmission facilities across Mongolia's geographically dispersed operating environment and to maintain a presence in both the capital and regional areas. According to the available reference material, NPTG operates overhead transmission lines rated at 220 kV, 100 kV, and 35 kV. Its assets include around 80 substations located across 16 provinces and 300 districts. These facilities form part of the national transmission system that connects electricity supply with regional demand and downstream distribution networks. By September 2021, the company employed 1,292 people. The available material does not provide a detailed account of subsequent organizational changes, capital projects, ownership restructurings, financial results, or leadership appointments. NPTG remains identified as Mongolia's state-owned national transmission operator and is not described as a publicly traded company.
Products and positioning
Core national electricity-transmission infrastructure and a public utility supporting the reliability and geographic coordination of Mongolia's power system.
Electricity transmission
High-voltage transmission network
NPTG operates Mongolia's high-voltage overhead transmission infrastructure. The referenced network includes lines rated at 220 kV, 100 kV, and 35 kV. These assets transmit electricity between generation sources, substations, regional systems, and distribution networks across the country.
Grid infrastructure
Substation operations
The company operates approximately 80 substations distributed across 16 provinces and 300 districts. Substations support voltage transformation, switching, protection, and the controlled transfer of electricity through the national transmission system.
Utility operations
Regional transmission services
Through five branch offices covering Ulaanbaatar, Hangai, the Central region, the Southeast region, and the Gobi region, NPTG provides geographically distributed operation and maintenance of transmission assets. The service is intended for system-level electricity transport rather than consumer retail.
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