Industry Description
This U.S. industry comprises establishments primarily engaged in operating hydroelectric power generation facilities. These facilities use water power to drive a turbine and produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.
Business Examples
Common types of business activities within NAICS 221111 - Hydroelectric Power Generation are:
- Electric power generation, hydroelectric
- Hydroelectric power generation
- Power generation, hydroelectric
IBISWorld Industry Research Report
Hydroelectric Power in the US (22111c)
Revenue 2025
$7bn
Growth 2025
5.00%
Key Trends
Establishing new hydroelectric facilities has been difficult due to stringent regulations
Stringent environmental regulations have slowed new investments in hydroelectricity
Energy policies enacted over the past five years will continue to benefit the industry
Products and Services
NAICS Hierarchy 221111 - Hydroelectric Power Generation
NAICS Code 221111 - Hydroelectric Power Generation sits in the 2-digit Hydroelectric Power Generation 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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