### Question
What is the definition of Independent System Operator” or “ISO?


### Answer
The definition of **Independent System Operator” or “ISO** is as follows in *16 U.S.C. § 796*:

> an entity approved by the Commission—


(A) to exercise operational or functional control of facilities used for the transmission of electric energy in interstate commerce

#### Citation:
  - *16 U.S.C. § 796*
  - Heading: **CHAPTER 12-FEDERAL REGULATION AND DEVELOPMENT OF POWER > SUBCHAPTER I-REGULATION OF THE DEVELOPMENT OF WATER POWER AND RESOURCES**

