Industry Description
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.
Cross-References. Establishments primarily engaged in--
Business Examples
Common types of business activities within NAICS 221121 - Electric Bulk Power Transmission and Control are:
- Electric power transmission systems
- Transmission of electric power
- Electric power control
IBISWorld Industry Research Report
Electric Power Transmission in the US (22112)
Revenue 2025
$536.2bn
Growth 2025
1.75%
Key Trends
Industry profit has remained relatively unchanged overall
Many office spaces are starting to use less electricity
The IRA extends investment tax credits for construction projects up to 2025
Products and Services
Similar Industries
For some business types, there may be a similar industry to 221121 - Electric Bulk Power Transmission and Control that is a better classification match. Establishments primarily engaged in:
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NAICS Cross Reference
Generating electric energy--are classified in Industry 22111, Electric Power Generation; and
IBISWorld industry research report
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NAICS Cross Reference
Distributing electricity to final consumers--are classified in U.S. Industry 221122, Electric Power Distribution.
IBISWorld industry research report
NAICS Hierarchy 221121 - Electric Bulk Power Transmission and Control
NAICS Code 221121 - Electric Bulk Power Transmission and Control sits in the 2-digit Electric Bulk Power Transmission and Control sector. NAICS codes can be 2- to 6-digits and the further along the hierarchy, the more detailed and specific the category will be. Learn more about the structure of NAICS codes
2 Digits: 22
Sector Title: Utilities
3 Digits 4 Digits 5 Digits 6 Digits
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2211 Electric Power Generation, Transmission and Distribution
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22111 Electric Power Generation
- 221111 Hydroelectric Power Generation
- 221112 Fossil Fuel Electric Power Generation
- 221113 Nuclear Electric Power Generation
- 221114 Solar Electric Power Generation
- 221115 Wind Electric Power Generation
- 221116 Geothermal Electric Power Generation
- 221117 Biomass Electric Power Generation
- 221118 Other Electric Power Generation
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22112 Electric Power Transmission, Control, and Distribution
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2212 Natural Gas Distribution
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22121 Natural Gas Distribution
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2213 Water, Sewage and Other Systems
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22131 Water Supply and Irrigation Systems
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22132 Sewage Treatment Facilities
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22133 Steam and Air-Conditioning Supply
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NAICS Resources
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