### Question
How is the "commenced commercial operation" defined?


### Answer
The term **commenced commercial operation** is defined in *42 U.S.C. § 7651a* as follows -

> to have begun to generate electricity for sale

#### Citation:
  - *42 U.S.C. § 7651a*
  - Heading: **CHAPTER 83-ENERGY EXTENSION SERVICE > SUBCHAPTER IV&ndash;A-ACID DEPOSITION CONTROL**

