### Question
How does the law define transmission system?


### Answer
Under *42 U.S.C. § 16431*, **transmission system** is defined as:

> an electric transmission facility owned, leased, or contracted for by the United States and operated by a Federal utility

#### Citation:
  - *42 U.S.C. § 16431*
  - Heading: **CHAPTER 149-NATIONAL ENERGY POLICY AND PROGRAMS > SUBCHAPTER XII-ELECTRICITY > Part B-Transmission Operation Improvements**

