### Question
How is the term holding company system defined?


### Answer
The term **holding company system** is defined in *42 U.S.C. § 16451* as the following:

> a holding company, together with its subsidiary companies

#### Citation:
  - *42 U.S.C. § 16451*
  - Heading: **CHAPTER 149-NATIONAL ENERGY POLICY AND PROGRAMS > SUBCHAPTER XII-ELECTRICITY > Part D-Repeal of Public Utility Holding Company Act of 1935**

