This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulatory voltage) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations.
The North American Industrial Classification System (NAICS) code for Electric Bulk Power Transmission and Control is 221121. Included in this industry are:
Electric power control
Electric power transmission systems
Transmission of electric power
Cross-References. Establishments primarily engaged in
- Generating electric energy - classified in Industry 22111, Electric Power Generation; and
- Distributing electricity to final consumers - classified in U.S. Industry 221122, Electric Power Distribution.
Information courtesy of the U.S. Census Bureau.
