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.
| Go to: | No change 2002 to 2007 | No change 1997 to 2002 | 2002 Economic Census and other data sources |
| 2007 NAICS | 2002 NAICS | 1997 NAICS |
Corresponding Index Entries |
|---|---|---|---|
| 221111 | 221111 | 221111 | Electric power generation, hydroelectric |
| 221111 | 221111 | 221111 | Hydroelectric power generation |
| 221111 | 221111 | 221111 | Power generation, hydroelectric |
