221118

Analysis

NAICS 221118 is the 2022 national industry for other electric power generation, part of 22111 (Electric Power Generation). Census lists 2 example activities under it in the official index.

Between 2018 and 2023 the number of establishments grew 98% and employment rose 578%. The 2018 count used NAICS 2017, so part of a large move can come from codes being redefined rather than from businesses opening or closing.

County Business Patterns counts 123 US establishments in this code in 2023, employing 1,411 people at an average annual payroll of $161,403 per employee (99th percentile of national industries). 65% of the establishments have fewer than five employees, which marks it as a small-business industry.

Census lists 8 related activities that belong elsewhere, most often in 562213, 221111, 221112 and 221113. Businesses that do several things are classified by their primary activity, the one that generates the most value, so check those boundaries before settling on this code.

Its index entries, the activities Census uses to assign businesses to this code, include electric power generation, tidal and power generation, tidal electric.

For example, operating trash disposal incinerators that also generate electricity are classified in 562213 (Solid Waste Combustors and Incinerators) instead.