A more recent edition of NAICS is available.
2012 Edition

national industry 221111

Hydroelectric Power Generation

Overview

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.

The immediate parent of national industry 221111 is international industry 22111: Electric Power Generation

Sub-Descriptions

  1. 221111 - Electric power generation, hydroelectric
  2. 221111 - Hydroelectric power generation
  3. 221111 - Power generation, hydroelectric

History

The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Existed Equivalent Value
2002 221111
2007 221111
2012 221111
2017 221111
2022 221111

Standard Industrial Classification (SIC) Mappings

  1. 4911 - Electric Services
  2. 4931 - Electric and Other Services Combined
  3. 4939 - Combination Utilities, Not Elsewhere Classified

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass national industry 221111, Hydroelectric Power Generation:

  1. combination utility not otherwise classified
  2. electric and other service combined
  3. electric light or power company not otherwise classified
  4. electric light or power company not otherwise classified electric bulk power transmission and control
  5. electric light or power cooperative rea project only
  6. electric light or power cooperative rural electrification administration project only
  7. electric light or power cooperative rural electrification administrationproject only
  8. electric light or power cooperative rural utility service project only not otherwise classified
  9. electric light or power cooporative rural utility service project only
  10. electric light power company
  11. electric power generation
  12. electric power generation transmission and distribution
  13. electric service
  14. hydroelectric power generation
  15. hydroelectric power generation naic
  16. power electric light company
  17. utility

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