NAICS CODE 221121 - Electric Bulk Power Transmission and Control
This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations.
NAICS Code 221121 - Electric Bulk Power Transmission and Control is a final level code of the “Utilities” Sector.
Common types of examples within NAICS Code 221121 - Electric Bulk Power Transmission and Control are:
- Electric power control
- Electric power transmission systems
- Transmission of electric power
- Generating electric energy: classified in NAICS Code - 22111 - Electric Power Generation.
- Distributing electricity to final consumers: classified in U.S. NAICS Code - 221122 - Electric Power Distribution..