NAICS 221111: Hydroelectric Power Generation

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 establishment is provided to electric power transmission systems or to electric power distribution systems.

The data published with NAICS code 221111 are comprised of these parts of the following SIC industries:


4911 (pt) Electric services (hydroelectric power generation)
4931 (pt) Electric and other services combined (hydroelectric power generation)
4939 (pt) Combination utilities nec (hydroelectric power generation)

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