Hydroelectric Power Generation
Key Figures
Figures are published for NAICS 221111 directly.
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Official definition
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.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Hydroelectric power generation establishments operate facilities that convert water power into electricity for transmission or distribution systems. The key distinction from related codes lies in the energy source; fossil fuel facilities in 221112 burn coal, oil, or gas, while nuclear facilities in 221113 use nuclear reactions, solar facilities in 221114 harness sunlight, wind facilities in 221115 use wind-driven turbines, geothermal facilities in 221116 tap Earth's heat, and biomass facilities in 221117 burn organic materials. Hydroelectric power generation is uniquely defined by its reliance on water power to drive turbines.