Private company

Commonwealth & Southern Corporation

Defunct United States utility company

The Commonwealth & Southern Corporation was a New York City-based United States electric utility holding company. The company was incorporated in 1929, and it initially contained three other electric utility holding companies: the Commonwealth Power Corporation, Southeastern Power & Light Company, and Penn-Ohio Edison Company.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1929Founded1
  • Industryelectricity supply company1
  • HeadquartersWilmington1

The Commonwealth & Southern Corporation was a New York City-based United States electric utility holding company. The company was incorporated in 1929, and it initially contained three other electric utility holding companies: the Commonwealth Power Corporation, Southeastern Power & Light Company, and Penn-Ohio Edison Company.2

Corporate structure

Commonwealth & Southern Corporation sits at the top of its group. 4 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Commonwealth & Southern Corporation Wilmington

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Acquisitions

  1. Succeeded by Consumers Energy1
  2. Succeeded by Ohio Edison Company1
  3. Succeeded by Southern Company1

Timeline

  1. 1929Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2